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Denial of Service

other MEDIUM

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

How It Works

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions. Attackers exploit asymmetry: minimal attacker effort produces disproportionate resource consumption on the target. Application-level attacks use specially crafted inputs that trigger expensive operations—a regex engine processing malicious patterns can backtrack exponentially, or XML parsers recursively expand entities until memory exhausts. Network-level attacks flood targets with connection requests or amplify traffic through reflection, but application vulnerabilities often provide the most efficient attack surface.

The attack typically begins with reconnaissance to identify resource-intensive operations or unprotected endpoints. For algorithmic complexity attacks, adversaries craft inputs hitting worst-case performance—hash collision inputs filling hash tables with collisions, deeply nested JSON triggering recursive parsing, or pathological regex patterns like (a+)+b against strings of repeated 'a' characters. Resource exhaustion attacks open thousands of connections, upload massive files to unbounded storage, or trigger memory leaks through repeated operations. Crash-based attacks target error handling gaps: null pointer dereferences, unhandled exceptions in parsers, or assertion failures that terminate processes.

Impact

  • Service unavailability preventing legitimate users from accessing applications during attack duration
  • Revenue loss from downtime in e-commerce, SaaS platforms, or transaction processing systems
  • Cascading failures as resource exhaustion spreads to dependent services or database connections pool out
  • SLA violations triggering financial penalties and damaging customer trust
  • Security team distraction providing cover for data exfiltration or intrusion attempts running concurrently

Real-World Examples

CVE-2018-1000544 in Ruby's WEBrick server allowed ReDoS through malicious HTTP headers containing specially crafted patterns that caused the regex engine to backtrack exponentially, freezing request processing threads. A single attacker could saturate all available workers.

Cloudflare experienced a global outage in 2019 when a single WAF rule containing an unoptimized regex hit pathological cases on legitimate traffic spikes. The .*(?:.*=.*)* pattern exhibited catastrophic backtracking, consuming CPU cycles across their edge network until the rule was disabled.

CVE-2013-1664 demonstrated XML bomb vulnerabilities in Python's XML libraries. Attackers uploaded XML documents with nested entity definitions-each entity expanding to ten copies of the previous level. A 1KB upload could expand to gigabytes in memory during parsing, crashing applications instantly.

Mitigation

  • Strict input validation enforcing size limits, complexity bounds, and nesting depth restrictions before processing
  • Request rate limiting per IP address, API key, or user session with exponential backoff
  • Timeout enforcement terminating operations exceeding reasonable execution windows (typically 1-5 seconds)
  • Resource quotas limiting memory allocation, CPU time, and connection counts per request or tenant
  • Regex complexity analysis using linear-time algorithms or sanitizing patterns to eliminate backtracking
  • Circuit breakers automatically rejecting requests when error rates or latency thresholds indicate degradation
  • Load balancing and autoscaling distributing traffic across instances with automatic capacity expansion

Recent CVEs (36895)

EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: Revert "drm/gem-dma: Use dma_buf from GEM object instance" This reverts commit e8afa1557f4f963c9a511bd2c6074a941c308685. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Null Pointer Dereference Linux +3
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: Revert "drm/gem-shmem: Use dma_buf from GEM object instance" This reverts commit 1a148af06000e545e714fe3210af3d77ff903c11. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Null Pointer Dereference Linux +3
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: regulator: core: fix NULL dereference on unbind due to stale coupling data Failing to reset coupling_desc.n_coupled after freeing. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Null Pointer Dereference Linux +4
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: can: netlink: can_changelink(): fix NULL pointer deref of struct can_priv::do_set_mode Andrei Lalaev reported a NULL pointer deref. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Null Pointer Dereference Linux +4
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: ice: Fix a null pointer dereference in ice_copy_and_init_pkg() Add check for the return value of devm_kmemdup() to prevent. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.

Denial Of Service Null Pointer Dereference Linux +4
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: nilfs2: reject invalid file types when reading inodes To prevent inodes with invalid file types from tripping through the vfs and. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.

Denial Of Service Linux Linux Kernel +3
NVD VulDB
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

Linux kernel GFS2 filesystem can be forced into denial of service through a NULL pointer dereference when a node withdraws from a cluster filesystem and is the only node with the filesystem mounted. The vulnerability affects all Linux kernel versions with GFS2 support (CPE: cpe:2.3:o:linux:linux_kernel) and requires local access with unprivileged user privileges to trigger. An authenticated local attacker can crash the kernel by inducing specific GFS2 recovery conditions, causing system unavailability. No public exploit code has been identified, with an EPSS score of 0.02% indicating very low real-world exploitation likelihood despite the moderate CVSS 5.5 rating.

Null Pointer Dereference Denial Of Service Linux
NVD VulDB
EPSS 0% CVSS 7.8
HIGH PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: Fix error code in iwl_op_mode_dvm_start() Preserve the error code if iwl_setup_deferred_work() fails. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.

Memory Corruption Denial Of Service Use After Free +4
NVD VulDB
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: pinctrl: canaan: k230: add NULL check in DT parse Add a NULL check for the return value of of_get_property() when retrieving the. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Null Pointer Dereference Linux +3
NVD VulDB
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: arm64: dts: qcom: qcs615: fix a crash issue caused by infinite loop for Coresight An infinite loop has been created by the. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.

Denial Of Service Linux Linux Kernel +2
NVD VulDB
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: spi: stm32: Check for cfg availability in stm32_spi_probe The stm32_spi_probe function now includes a check to ensure that the. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Null Pointer Dereference Linux +3
NVD VulDB
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: wifi: rtw89: sar: drop lockdep assertion in rtw89_set_sar_from_acpi The following assertion is triggered on the rtw89 driver. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.

Denial Of Service Lenovo Linux +3
NVD VulDB
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: wifi: rtw89: avoid NULL dereference when RX problematic packet on unsupported 6 GHz band With a quite rare chance, RX report might. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Null Pointer Dereference Google +4
NVD VulDB
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Check device memory pointer before usage Add a NULL check before accessing device memory to prevent a crash if dev->dm. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Null Pointer Dereference Linux +4
NVD VulDB
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

A missing lock protection in the Linux kernel's cfg80211 wireless configuration subsystem causes a race condition when the cfg80211_propagate_cac_done_wk worker function attempts to access wireless device channel definitions without holding the required wiphy mutex. This allows a local attacker with limited privileges to trigger a kernel warning and cause a denial of service condition. The vulnerability affects Linux kernel versions from 5.5 onwards across multiple stable releases, with patches available from the vendor and deployed via Ubuntu security advisories USN-8095-2, USN-8095-3, and USN-8100-1. The EPSS score of 0.02% indicates very low actual exploitation probability despite the moderate CVSS score.

Linux Race Condition Denial Of Service +3
NVD VulDB
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btusb: Fix potential NULL dereference on kmalloc failure Avoid potential NULL pointer dereference by checking the return. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.

Denial Of Service Null Pointer Dereference Linux +3
NVD VulDB
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: bpf: Disable migration in nf_hook_run_bpf(). Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.

Denial Of Service Google Linux +3
NVD VulDB
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: clk: davinci: Add NULL check in davinci_lpsc_clk_register() devm_kasprintf() returns NULL when memory allocation fails. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Null Pointer Dereference Linux +4
NVD VulDB
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: power: supply: cpcap-charger: Fix null check for power_supply_get_by_name In the cpcap_usb_detect() function, the. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Null Pointer Dereference Linux +4
NVD VulDB
EPSS 0% CVSS 4.7
MEDIUM PATCH Monitor

In the Linux kernel, the following vulnerability has been resolved: pinmux: fix race causing mux_owner NULL with active mux_usecount commit 5a3e85c3c397 ("pinmux: Use sequential access to access. Rated medium severity (CVSS 4.7).

Denial Of Service Linux Race Condition +3
NVD VulDB
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: clk: imx95-blk-ctl: Fix synchronous abort When enabling runtime PM for clock suppliers that also belong to a power domain, the. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.

Denial Of Service Linux Linux Kernel +2
NVD VulDB
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: fbdev: imxfb: Check fb_add_videomode to prevent null-ptr-deref fb_add_videomode() can fail with -ENOMEM when its internal kmalloc(). Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Null Pointer Dereference Linux +4
NVD VulDB
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb: scarlett2: Fix missing NULL check scarlett2_input_select_ctl_info() sets up the string arrays allocated via kasprintf(),. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Null Pointer Dereference Linux +3
NVD VulDB
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: net: drop UFO packets in udp_rcv_segment() When sending a packet with virtio_net_hdr to tun device, if the gso_type in. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.

Denial Of Service Linux Linux Kernel +3
NVD VulDB
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: md: make rdev_addable usable for rcu mode Our testcase trigger panic: BUG: kernel NULL pointer dereference, address:. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.

Denial Of Service Null Pointer Dereference Linux +3
NVD VulDB
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: media: ti: j721e-csi2rx: fix list_del corruption If ti_csi2rx_start_dma() fails in ti_csi2rx_dma_callback(), the buffer is marked. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Null Pointer Dereference Linux +3
NVD VulDB
EPSS 0% CVSS 5.9
MEDIUM PATCH This Month

Uncontrolled Resource Consumption vulnerability in Legion of the Bouncy Castle Inc. Rated medium severity (CVSS 5.9), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Java Red Hat
NVD GitHub
EPSS 0% CVSS 6.8
MEDIUM This Month

Post-authenticated external control of system web interface configuration setting vulnerability in Danfoss AK-SM8xxA Series prior to 4.3.1, which could allow for a denial of service attack induced by. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable. No vendor patch available.

Denial Of Service
NVD
EPSS 0% CVSS 5.3
MEDIUM This Month

Liferay Portal 7.4.0 through 7.4.3.132, and Liferay DXP 2025.Q1.0 through 2025.Q1.4, 2024.Q4.0 through 2024.Q4.7, 2024.Q3.1 through 2024.Q3.13, 2024.Q2.0 through 2024.Q2.13, 2024.Q1.1 through. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Digital Experience Platform Liferay Portal
NVD
EPSS 0% CVSS 7.7
HIGH PATCH This Month

pyLoad is the free and open-source Download Manager written in pure Python. Rated high severity (CVSS 7.7), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Python
NVD GitHub
EPSS 0% CVSS 4.9
MEDIUM PATCH Monitor

Mattermost versions 10.8.x <= 10.8.3, 10.5.x <= 10.5.8, 9.11.x <= 9.11.17, 10.10.x <= 10.10.0, 10.9.x <= 10.9.3 fail to validate import data which allows a system admin to crash the server via the. Rated medium severity (CVSS 4.9), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Denial Of Service Null Pointer Dereference Mattermost Server
NVD
EPSS 0% CVSS 6.5
MEDIUM POC This Week

An issue in the component /settings/localisation of Akaunting v3.1.18 allows authenticated attackers to cause a Denial of Service (DoS) via a crafted POST request. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Akaunting
NVD GitHub
EPSS 0% CVSS 4.8
MEDIUM POC Monitor

A vulnerability has been found in yarnpkg Yarn up to 1.22.22. Rated medium severity (CVSS 4.8), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Yarn Red Hat +1
NVD GitHub VulDB
EPSS 0% CVSS 7.5
HIGH PATCH This Month

vLLM is an inference and serving engine for large language models (LLMs). Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Uncontrolled Resource Consumption vulnerability could allow attackers to cause denial of service by exhausting system resources.

Denial Of Service Vllm Red Hat
NVD GitHub
EPSS 0% CVSS 1.9
LOW PATCH Monitor

A vulnerability was determined in cmake 4.1.20250725-gb5cce23. Rated medium severity (CVSS 4.8), this vulnerability is low attack complexity. No vendor patch available.

Denial Of Service
NVD VulDB
EPSS 0% CVSS 7.7
HIGH PATCH This Month

In Eclipse Jetty, versions <=9.4.57, <=10.0.25, <=11.0.25, <=12.0.21, <=12.1.0.alpha2, an HTTP/2 client may trigger the server to send RST_STREAM frames, for example by sending frames that are. Rated high severity (CVSS 7.7), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Jetty Red Hat +1
NVD GitHub
EPSS 0% CVSS 4.1
MEDIUM This Month

CWE-400: Uncontrolled Resource Consumption vulnerability exists that could cause a denial of service when an authenticated user sends a specially crafted request to a specific endpoint from within the BMS network.

Denial Of Service
NVD
EPSS 0% CVSS 8.6
HIGH This Month

A denial of service vulnerability exists in the HTTP Header Parsing functionality of Tenda AC6 V5.0 V02.03.01.110. Rated high severity (CVSS 8.6), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Tenda Ac6 Firmware
NVD
EPSS 0% CVSS 5.7
MEDIUM This Month

There's a vulnerability in the CRI-O application where when container is launched with securityContext.runAsUser specifying a non-existent user, CRI-O attempts to create the user, reading the. Rated medium severity (CVSS 5.7), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Denial Of Service Red Hat Suse
NVD
EPSS 0% CVSS 6.9
MEDIUM This Month

Microsoft Knack 0.12.0 allows Regular expression Denial of Service (ReDoS) in the knack.introspection module. Rated medium severity (CVSS 6.9), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Microsoft
NVD GitHub
EPSS 0% CVSS 6.9
MEDIUM This Month

Microsoft Knack 0.12.0 allows Regular expression Denial of Service (ReDoS) in the knack.introspection module. Rated medium severity (CVSS 6.9), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Microsoft
NVD GitHub
EPSS 0% CVSS 7.5
HIGH PATCH This Week

Denial-of-service due to out-of-memory in the Graphics: WebRender component. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Mozilla
NVD
EPSS 0% CVSS 7.5
HIGH This Week

Malicious scripts could bypass the popup blocker to spam new tabs, potentially resulting in denial of service attacks This vulnerability affects Firefox for iOS < 142. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Apple Mozilla
NVD
EPSS 0% CVSS 6.5
MEDIUM This Month

Malicious scripts utilizing repetitive JavaScript alerts could prevent client user interaction in some scenarios and allow for denial of service attacks This vulnerability affects Firefox for iOS <. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Apple Mozilla
NVD
EPSS 0% CVSS 1.9
LOW PATCH Monitor

A vulnerability was determined in appneta tcpreplay up to 4.5.2-beta2. Rated medium severity (CVSS 4.8), this vulnerability is low attack complexity. No vendor patch available.

Denial Of Service Buffer Overflow
NVD GitHub VulDB
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: powercap: dtpm_cpu: Fix NULL pointer dereference in get_pd_power_uw() The get_pd_power_uw() function can crash with a NULL pointer. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.

Denial Of Service Null Pointer Dereference Linux +4
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: PM / devfreq: Check governor before using governor->name Commit 96ffcdf239de ("PM / devfreq: Remove redundant governor_name from. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Null Pointer Dereference Linux +4
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: Avoid accessing uninitialized arvif->ar during beacon miss During beacon miss handling, ath12k driver iterates over. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Null Pointer Dereference Linux +3
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: Pass ab pointer directly to ath12k_dp_tx_get_encap_type() In ath12k_dp_tx_get_encap_type(), the arvif parameter is. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Null Pointer Dereference Linux +3
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: wifi: rtl818x: Kill URBs before clearing tx status queue In rtl8187_stop() move the call of usb_kill_anchored_urbs() before. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Null Pointer Dereference Linux +4
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: iwlwifi: Add missing check for alloc_ordered_workqueue Add check for the return value of alloc_ordered_workqueue since it may. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.

Denial Of Service Linux Linux Kernel +3
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: wifi: ath11k: clear initialized flag for deinit-ed srng lists In a number of cases we see kernel panics on resume due to ath11k. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.

Denial Of Service Linux Linux Kernel +3
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: drm/rockchip: vop2: fail cleanly if missing a primary plane for a video-port Each window of a vop2 is usable by a specific set of. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Null Pointer Dereference Microsoft +5
NVD
EPSS 0% CVSS 7.8
HIGH PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_sync: fix double free in 'hci_discovery_filter_clear()' Function 'hci_discovery_filter_clear()' frees 'uuids' array. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.

Denial Of Service Linux Linux Kernel +2
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

A vulnerability in the Linux kernel's BPF (Berkeley Packet Filter) verifier allows unprivileged local users to trigger a kernel warning and denial of service by performing narrower-than-expected memory access to pointer context fields. The flaw exists in how the verifier handles pointer field access validation in context structures like __sk_buff, where it incorrectly permits sub-byte or misaligned reads that should be rejected. An attacker with local user privileges can craft a malicious BPF program that causes the kernel to emit a verifier warning ("verifier bug: error during ctx access conversion") and potentially crash or destabilize the system, affecting all Linux kernel versions prior to the patched releases.

Linux Denial Of Service
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Remove skb secpath if xfrm state is not found Hardware returns a unique identifier for a decrypted packet's xfrm state,. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This Memory Leak vulnerability could allow attackers to exhaust available memory leading to denial of service.

Denial Of Service Linux Linux Kernel +2
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: neighbour: Fix null-ptr-deref in neigh_flush_dev(). Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Null Pointer Dereference Canonical Debian +5
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: ipv6: prevent infinite loop in rt6_nlmsg_size() While testing prior patch, I was able to trigger an infinite loop in. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.

Denial Of Service Linux Linux Kernel +3
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: ipv6: fix possible infinite loop in fib6_info_uses_dev() fib6_info_uses_dev() seems to rely on RCU without an explicit protection. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.

Denial Of Service Linux Linux Kernel +3
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: bpf, arm64: Fix fp initialization for exception boundary In the ARM64 BPF JIT when prog->aux->exception_boundary is set for a BPF. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Null Pointer Dereference Linux +3
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: clk: xilinx: vcu: unregister pll_post only if registered correctly If registration of pll_post is failed, it will be set to NULL or. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Null Pointer Dereference Linux +4
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: crypto: ccp - Fix crash when rebind ccp device for ccp.ko When CONFIG_CRYPTO_DEV_CCP_DEBUGFS is enabled, rebinding the ccp device. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Null Pointer Dereference Amd +5
NVD
EPSS 0% CVSS 7.8
HIGH PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: ext4: fix inode use after free in ext4_end_io_rsv_work() In ext4_io_end_defer_completion(), check if io_end->list_vec is empty to. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.

Memory Corruption Denial Of Service Use After Free +4
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid UAF in f2fs_sync_inode_meta() syzbot reported an UAF issue as below: [1] [2] [1]. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.

Linux Memory Corruption Google +6
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: benet: fix BUG when creating VFs benet crashes as soon as SRIOV VFs are created: kernel BUG at mm/vmalloc.c:3457!. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Null Pointer Dereference Linux +4
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix null pointer dereference error in generate_encryptionkey If client send two session setups with krb5 authenticate to. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.

Denial Of Service Null Pointer Dereference Linux
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: platform/x86/intel/pmt: fix a crashlog NULL pointer access Usage of the intel_pmt_read() for binary sysfs, requires a pcidev. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Null Pointer Dereference Linux +4
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: uvc: Initialize frame-based format color matching descriptor Fix NULL pointer crash in uvcg_framebased_make due to. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Null Pointer Dereference Qualcomm +5
NVD VulDB
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: HID: apple: validate feature-report field count to prevent NULL pointer dereference A malicious HID device with quirk. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.

Null Pointer Dereference Canonical Debian +7
NVD VulDB
EPSS 0% CVSS 5.3
MEDIUM POC This Month

Incorrect Access Control in the AJAX endpoint functionality in jonkastonka Cookies and Content Security Policy plugin through version 2.29 allows remote attackers to cause a denial of service. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Authentication Bypass Denial Of Service Cookies And Content Security Policy
NVD GitHub
EPSS 0% CVSS 4.3
MEDIUM POC Monitor

A vulnerability exists in riscv-boom SonicBOOM 1.2 (BOOMv1.2) processor implementation, where valid virtual-to-physical address translations configured with write permissions (PTE_W) in SV39 mode may. Rated medium severity (CVSS 4.3), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.

Authentication Bypass Denial Of Service Boomv
NVD GitHub
EPSS 0% CVSS 4.3
MEDIUM Monitor

A regular expression used by AngularJS' linky https://docs.angularjs.org/api/ngSanitize/filter/linky filter to detect URLs in input text is vulnerable to super-linear runtime due to backtracking. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service
NVD HeroDevs
EPSS 1% CVSS 8.7
HIGH This Month

The Sante PACS Server allows a remote attacker to crash the main thread by sending a crafted HL7 message, causing a denial-of-service condition. Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Sante Pacs Server
NVD
EPSS 0% CVSS 7.5
HIGH POC This Month

TOTOLINK A3002R v4.0.0-B20230531.1404 was discovered to contain a buffer overflow in the fw_ip parameter at /boafrm/formPortFw. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Buffer Overflow A3002r Firmware +1
NVD GitHub
EPSS 0% CVSS 7.5
HIGH POC This Month

TOTOLINK A3002R v4.0.0-B20230531.1404 was discovered to contain a buffer overflow in the hostname parameter at /boafrm/formMapDelDevice. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Buffer Overflow A3002r Firmware +1
NVD GitHub
EPSS 0% CVSS 7.5
HIGH POC This Month

TOTOLINK A3002R v4.0.0-B20230531.1404 was discovered to contain a buffer overflow in the url parameter at /boafrm/formFilter. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Buffer Overflow A3002r Firmware +1
NVD GitHub
EPSS 0% CVSS 7.5
HIGH This Month

IBM Concert Software 1.0.0 through 1.1.0 could allow a remote attacker to cause a denial of service using a specially crafted regular expression that would cause excessive resource consumption. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service IBM Concert
NVD
EPSS 0% CVSS 7.0
HIGH This Month

arbitrary data to be written to protected locations, potentially leading to escalation of privilege, arbitrary file corruption, exposure of application and system information or persistent denial of. Rated high severity (CVSS 7.0), this vulnerability is low attack complexity. No vendor patch available.

Denial Of Service Privilege Escalation
NVD
EPSS 0% CVSS 8.7
HIGH This Week

crafted FTP command is sent to the device. Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate session id and tree id in the compound request This patch validate session id and tree id in compound request. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Null Pointer Dereference Linux +3
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix bug due to prealloc collision When userspace is using AF_RXRPC to provide a server, it has to preallocate incoming calls. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.

Denial Of Service Linux Linux Kernel +2
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: drm/tegra: nvdec: Fix dma_alloc_coherent error check Check for NULL return value with dma_alloc_coherent, in line with Robin's fix. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Null Pointer Dereference Linux +4
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7925: Fix null-ptr-deref in mt7925_thermal_init() devm_kasprintf() returns NULL on error. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Null Pointer Dereference Linux +3
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: tracing: Add down_write(trace_event_sem) when adding trace event When a module is loaded, it adds trace events defined by the. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.

Denial Of Service Linux Linux Kernel +3
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: ice: add NULL check in eswitch lag check The function ice_lag_is_switchdev_running() is being called from outside of the LAG event. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Null Pointer Dereference Linux +3
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: sched/ext: Prevent update_locked_rq() calls with NULL rq Avoid invoking update_locked_rq() when the runqueue (rq) pointer is NULL. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Null Pointer Dereference Linux +3
NVD
EPSS 0% CVSS 1.0
LOW PATCH Monitor

Uncontrolled Resource Consumption vulnerability in Legion of the Bouncy Castle Inc. Rated low severity (CVSS 1.0), this vulnerability is low attack complexity. No vendor patch available.

Denial Of Service Java
NVD GitHub
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: mm/damon: fix divide by zero in damon_get_intervals_score() The current implementation allows having zero size regions with no. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.

Denial Of Service Linux Linux Kernel +2
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: lib/alloc_tag: do not acquire non-existent lock in alloc_tag_top_users() alloc_tag_top_users() attempts to lock. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Null Pointer Dereference Canonical Debian +6
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

In the Linux kernel, the following vulnerability has been resolved: pinctrl: qcom: msm: mark certain pins as invalid for interrupts On some platforms, the UFS-reset pin has no interrupt logic in TLMM. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This NULL Pointer Dereference vulnerability could allow attackers to crash the application by dereferencing a null pointer.

Denial Of Service Null Pointer Dereference Linux +4
NVD
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Total CVEs
36895

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