Ubuntu Linux

Vulnerability in the OpenSSH GSSAPI delta included in various Linux distributions. This vulnerability affects the GSSAPI patches added by various Linux distributions and does not affect the OpenSSH upstream project itself.

Sudo before 1.9.17p1 contains a local root escalation vulnerability (CVE-2025-32463, CVSS 9.3) through the --chroot option, which loads /etc/nsswitch.conf from the user-controlled chroot directory instead of the host system. KEV-listed with EPSS 26.5% and public PoC, this vulnerability allows any user with sudo --chroot access to achieve root privileges by placing a malicious nsswitch configuration and library in their chroot.

Race condition in Canonical apport up to and including 2.32.0 allows a local attacker to leak sensitive information via PID-reuse by leveraging namespaces. Rated medium severity (CVSS 4.7). Public exploit code available and no vendor patch available.

In Ubuntu, gnome-control-center did not properly reflect SSH remote login status when the system was configured to use systemd socket activation for openssh-server. Rated medium severity (CVSS 4.9), this vulnerability is no authentication required. Public exploit code available.

accountsservice no longer drops permissions when writting .pam_environment. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This Improper Privilege Management vulnerability could allow attackers to escalate privileges to gain unauthorized elevated access.

A flaw was found in the OpenSSH package. Rated medium severity (CVSS 5.9), this vulnerability is remotely exploitable, no authentication required. Epss exploitation probability 42.5% and no vendor patch available.

Ubuntu's configuration of gnome-control-center allowed Remote Desktop Sharing to be enabled by default. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Remote code execution in OpenSSH's sshd server (regression of CVE-2006-5051) allows unauthenticated remote attackers to exploit a signal handler race condition by failing to authenticate within the LoginGraceTime window, potentially yielding root-level code execution on glibc-based Linux systems. The flaw - widely known as 'regreSSHion' - affects numerous distributions and vendor appliances including Ubuntu 23.10/24.04, AlmaLinux 9, SonicWall SMA firmware, Arista EOS, NetApp ONTAP, and others. Publicly available exploit code exists and EPSS scores it at 48.06% (98th percentile), reflecting very high exploitation likelihood, though it is not currently listed in CISA KEV.

The Linux kernel io_uring IORING_OP_SOCKET operation contained a double free in function __sys_socket_file() in file net/socket.c. Rated medium severity (CVSS 4.7). No vendor patch available.

It was discovered that the eBPF implementation in the Linux kernel did not properly track bounds information for 32 bit registers when performing div and mod operations. Rated high severity (CVSS 7.8). This Out-of-bounds Read vulnerability could allow attackers to read data from memory outside the intended buffer boundaries.

Race condition in snap-confine's must_mkdir_and_open_with_perms(). Rated high severity (CVSS 7.8). Public exploit code available.

io_uring UAF, Unix SCM garbage collection. Rated medium severity (CVSS 5.3). No vendor patch available.

It was discovered that the cls_route filter implementation in the Linux kernel would not remove an old filter from the hashtable before freeing it if its handle had the value 0. Rated medium severity (CVSS 5.3). Public exploit code available and EPSS exploitation probability 59.4%.

It was discovered that a nft object or expression could reference a nft set on a different nft table, leading to a use-after-free once that table was deleted. Rated medium severity (CVSS 5.3). Actively exploited in the wild (cisa kev) and public exploit code available.

It was discovered that when exec'ing from a non-leader thread, armed POSIX CPU timers would be left on a list but freed, leading to a use-after-free. Rated medium severity (CVSS 5.3). This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.

A feature in LXD (LP#1829071), affects the default configuration of Ubuntu Server which allows privileged users in the lxd group to escalate their privilege to root without requiring a sudo password. Rated medium severity (CVSS 6.4). No vendor patch available.

Bluetooth HID Hosts in BlueZ may permit an unauthenticated Peripheral role HID Device to initiate and establish an encrypted connection, and accept HID keyboard reports, potentially permitting. Rated medium severity (CVSS 6.3), this vulnerability is no authentication required, low attack complexity. This Improper Authentication vulnerability could allow attackers to bypass authentication mechanisms to gain unauthorized access.

PVRIC (PowerVR Image Compression) on Imagination 2018 and later GPU devices offers software-transparent compression that enables cross-origin pixel-stealing attacks against feTurbulence and feBlend. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required. Public exploit code available and no vendor patch available.

A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation. 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.

In Ubuntu's accountsservice an unprivileged local attacker can trigger a use-after-free vulnerability in accountsservice by sending a D-Bus message to the accounts-daemon process. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.

Using the TIOCLINUX ioctl request, a malicious snap could inject contents into the input of the controlling terminal which could allow it to cause arbitrary commands to be executed outside of the. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

An issue was discovered in l2cap_sock_release in net/bluetooth/l2cap_sock.c in the Linux kernel before 6.4.10. 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.

Local privilege escalation vulnerability in Ubuntu Kernels overlayfs ovl_copy_up_meta_inode_data skip permission checks when calling ovl_do_setxattr on Ubuntu kernels. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Public exploit code available.

On Ubuntu kernels carrying both c914c0e27eb0 and "UBUNTU: SAUCE: overlayfs: Skip permission checking for trusted.overlayfs.* xattrs", an unprivileged user may set privileged extended attributes on. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Public exploit code available.

A use-after-free flaw was found in vcs_read in drivers/tty/vt/vc_screen.c in vc_screen in the Linux Kernel. Rated high severity (CVSS 7.1), 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 Kernel nftables Use-After-Free Local Privilege Escalation Vulnerability; `nft_chain_lookup_byid()` failed to check whether a chain was active and CAP_NET_ADMIN is in any user or network. 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.

A use-after-free vulnerability in the Linux Kernel io_uring subsystem can be exploited to achieve local privilege escalation. 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.

An issue was discovered in fl_set_geneve_opt in net/sched/cls_flower.c in the Linux kernel before 6.3.7. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Public exploit code available.

Jean-Baptiste Cayrou discovered that the shiftfs file system in the Ubuntu Linux kernel contained a race condition when handling inode locking in some situations. Rated medium severity (CVSS 4.7).

Sensitive data could be exposed in logs of cloud-init before version 23.1.2. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.

A privilege escalation attack was found in apport-cli 2.26.0 and earlier which is similar to CVE-2023-26604. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Improper Privilege Management vulnerability could allow attackers to escalate privileges to gain unauthorized elevated access.

A buffer overflow vulnerability was found in the Netfilter subsystem in the Linux Kernel. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.

A slab-out-of-bound read problem was found in brcmf_get_assoc_ies in drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c in the Linux Kernel. Rated high severity (CVSS 7.1), this vulnerability is low attack complexity. This Out-of-bounds Read vulnerability could allow attackers to read data from memory outside the intended buffer boundaries.

A flaw was found in the Linux kernel, where unauthorized access to the execution of the setuid file with capabilities was found in the Linux kernel’s OverlayFS subsystem in how a user copies a. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Public exploit code available.

strongSwan before 5.9.8 allows remote attackers to cause a denial of service in the revocation plugin by sending a crafted end-entity (and intermediate CA) certificate that contains a CRL/OCSP URL. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

mm/mremap.c in the Linux kernel before 5.13.3 has a use-after-free via a stale TLB because an rmap lock is not held during a PUD move. Rated high severity (CVSS 7.0). Public exploit code available.

BlueZ before 5.59 allows physically proximate attackers to cause a denial of service because malformed and invalid capabilities can be processed in profiles/audio/avdtp.c. Rated high severity (CVSS 8.8), this vulnerability is no authentication required, low attack complexity.

BlueZ before 5.59 allows physically proximate attackers to obtain sensitive information because profiles/audio/avrcp.c does not validate params_len. Rated high severity (CVSS 8.8), this vulnerability is no authentication required, low attack complexity.

A use-after-free flaw was found in fs/ext4/namei.c:dx_insert_block() in the Linux kernel’s filesystem sub-component. 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.

An issue was discovered in the Linux kernel through 5.18.9. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Public exploit code available.

Improper Update of Reference Count vulnerability in net/sched of Linux Kernel allows local attacker to cause privilege escalation to root. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Public exploit code available.

A use-after-free exists in the Linux Kernel in tc_new_tfilter that could allow a local attacker to gain privilege escalation. Rated high severity (CVSS 8.6). Public exploit code available.

In Django 2.2 before 2.2.25, 3.1 before 3.1.14, and 3.2 before 3.2.10, HTTP requests for URLs with trailing newlines could bypass upstream access control based on URL paths. Rated high severity (CVSS 7.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Ubuntu-specific modifications to accountsservice (in patch file debian/patches/0010-set-language.patch) caused the fallback_locale variable, pointing to static storage, to be freed, in the. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.

It was discovered that read_file() in apport/hookutils.py would follow symbolic links or open FIFOs. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.

It was discovered that read_file() in apport/hookutils.py would follow symbolic links or open FIFOs. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.

It was discovered that read_file() in apport/hookutils.py would follow symbolic links or open FIFOs. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.

It was discovered that read_file() in apport/hookutils.py would follow symbolic links or open FIFOs. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.

It was discovered that read_file() in apport/hookutils.py would follow symbolic links or open FIFOs. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.

It was discovered that read_file() in apport/hookutils.py would follow symbolic links or open FIFOs. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.

It was discovered that read_file() in apport/hookutils.py would follow symbolic links or open FIFOs. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.

It was discovered that read_file() in apport/hookutils.py would follow symbolic links or open FIFOs. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.

It was discovered that read_file() in apport/hookutils.py would follow symbolic links or open FIFOs. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.

The io_uring subsystem in the Linux kernel allowed the MAX_RW_COUNT limit to be bypassed in the PROVIDE_BUFFERS operation, which led to negative values being usedin mem_rw when reading. Rated high severity (CVSS 8.8), this vulnerability is low attack complexity.

The eBPF ALU32 bounds tracking for bitwise ops (AND, OR and XOR) in the Linux kernel did not properly update 32-bit bounds, which could be turned into out of bounds reads and writes in the Linux. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Public exploit code available.

The eBPF RINGBUF bpf_ringbuf_reserve() function in the Linux kernel did not check that the allocated size was smaller than the ringbuf size, allowing an attacker to perform out-of-bounds writes. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Buffer Overflow vulnerability could allow attackers to corrupt memory to execute arbitrary code or crash the application.

The overlayfs implementation in the linux kernel did not properly validate with respect to user namespaces the setting of file capabilities on files in an underlying file system. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Public exploit code available.

Shiftfs, an out-of-tree stacking file system included in Ubuntu Linux kernels, did not properly handle faults occurring during copy_from_user() correctly. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Memory Leak vulnerability could allow attackers to exhaust available memory leading to denial of service.

The bpf verifier in the Linux kernel did not properly handle mod32 destination register truncation when the source register was known to be 0. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.

An issue was discovered in the Linux kernel through 5.11.3. Rated high severity (CVSS 7.1), this vulnerability is low attack complexity. Public exploit code available.

GNOME gdk-pixbuf (aka GdkPixbuf) before 2.42.2 allows a denial of service (infinite loop) in lzw.c in the function write_indexes. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity.

Aptdaemon performed policykit checks after interacting with potentially untrusted files with elevated privileges. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This Missing Authorization vulnerability could allow attackers to access resources or perform actions without proper authorization checks.

The aptdaemon DBus interface disclosed file existence disclosure by setting Terminal/DebconfSocket properties, aka GHSL-2020-192 and GHSL-2020-196. Rated low severity (CVSS 3.8), this vulnerability is low attack complexity.

In some conditions, a snap package built by snapcraft includes the current directory in LD_LIBRARY_PATH, allowing a malicious snap to gain code execution within the context of another snap if both. Rated medium severity (CVSS 6.8), this vulnerability is low attack complexity. Public exploit code available.

An Ubuntu-specific patch in PulseAudio created a race condition where the snap policy module would fail to identify a client connection from a snap as coming from a snap if SCM_CREDENTIALS were. Rated medium severity (CVSS 4.7). Public exploit code available.

An issue was discovered in do_madvise in mm/madvise.c in the Linux kernel before 5.6.8. Rated medium severity (CVSS 4.7). Public exploit code available.

Out of bounds write in Intel(R) PROSet/Wireless WiFi products on Windows 10 may allow an authenticated user to potentially enable denial of service via local access. Rated medium severity (CVSS 5.7), this vulnerability is low attack complexity. This Out-of-bounds Write vulnerability could allow attackers to write data beyond allocated buffer boundaries leading to code execution or crashes.

PackageKit's apt backend mistakenly treated all local debs as trusted. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.

PackageKit provided detailed error messages to unprivileged callers that exposed information about file presence and mimetype of files that the user would be unable to determine on its own. Rated low severity (CVSS 3.3), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.

Ubuntu's packaging of libvirt in 20.04 LTS created a control socket with world read and write permissions. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.

WordPress before 5.5.2 allows CSRF attacks that change a theme's background image. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

is_protected_meta in wp-includes/meta.php in WordPress before 5.5.2 allows arbitrary file deletion because it does not properly determine whether a meta key is considered protected. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Rated medium severity (CVSS 4.9), this vulnerability is remotely exploitable, low attack complexity.

In containerd (an industry-standard container runtime) before version 1.2.14 there is a credential leaking vulnerability. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

A flaw was found in the Linux kernel in versions before 5.9-rc7. 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.

Multiple buffer overflow vulnerabilities were found in the QUIC image decoding process of the SPICE remote display system, before spice-0.14.2-1. Rated medium severity (CVSS 6.6), this vulnerability is remotely exploitable, low attack complexity. This Buffer Copy without Size Check vulnerability could allow attackers to overflow a buffer to corrupt adjacent memory.

A flaw was found in the Linux kernel's implementation of biovecs in versions before 5.9-rc7. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.

In PHP versions 7.2.x below 7.2.34, 7.3.x below 7.3.23 and 7.4.x below 7.4.11, when PHP is processing incoming HTTP cookie values, the cookie names are url-decoded. 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.

In PHP versions 7.2.x below 7.2.34, 7.3.x below 7.3.23 and 7.4.x below 7.4.11, when AES-CCM mode is used with openssl_encrypt() function with 12 bytes IV, only first 7 bytes of the IV is actually. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

A flaw was found in dpdk in versions before 18.11.10 and before 19.11.5. Rated high severity (CVSS 8.8), this vulnerability is low attack complexity. This Buffer Copy without Size Check vulnerability could allow attackers to overflow a buffer to corrupt adjacent memory.

An integer underflow in dpdk versions before 18.11.10 and before 19.11.5 in the `move_desc` function can lead to large amounts of CPU cycles being eaten up in a long running loop. Rated low severity (CVSS 3.3), this vulnerability is low attack complexity.

A flaw was found in dpdk in versions before 18.11.10 and before 19.11.5. Rated high severity (CVSS 7.1), this vulnerability is low attack complexity. This Out-of-bounds Read vulnerability could allow attackers to read data from memory outside the intended buffer boundaries.

A flaw was found in dpdk in versions before 18.11.10 and before 19.11.5. Rated high severity (CVSS 7.8). This Buffer Copy without Size Check vulnerability could allow attackers to overflow a buffer to corrupt adjacent memory.

A flaw was found in dpdk in versions before 18.11.10 and before 19.11.5. Rated high severity (CVSS 7.8).

urllib3 before 1.25.9 allows CRLF injection if the attacker controls the HTTP request method, as demonstrated by inserting CR and LF control characters in the first argument of putrequest(). Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

http.client in Python 3.x before 3.5.10, 3.6.x before 3.6.12, 3.7.x before 3.7.9, and 3.8.x before 3.8.5 allows CRLF injection if the attacker controls the HTTP request method, as demonstrated by. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

A missing CAP_NET_RAW check in NFC socket creation in net/nfc/rawsock.c in the Linux kernel before 5.8.2 could be used by local attackers to create raw sockets, bypassing security mechanisms, aka. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This Incorrect Default Permissions vulnerability could allow attackers to access resources due to overly permissive default settings.

An issue was discovered in the gon gem before gon-6.4.0 for Ruby. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Cross-Site Scripting (XSS) vulnerability could allow attackers to inject malicious scripts into web pages viewed by other users.

A vulnerability was found in upstream release cryptsetup-2.2.0 where, there's a bug in LUKS2 format validation code, that is effectively invoked on every device/image presenting itself as LUKS2. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. This Out-of-bounds Write vulnerability could allow attackers to write data beyond allocated buffer boundaries leading to code execution or crashes.

An untrusted pointer dereference flaw was found in Perl-DBI < 1.643. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.