Skip to main content

Linux Kernel CVE-2022-50524

MEDIUM
NULL Pointer Dereference (CWE-476)
2025-10-07 416baaa9-dc9f-4396-8d5f-8c081fb06d67
5.5
CVSS 3.1 · NVD
Share

Severity by source

NVD PRIMARY
5.5 MEDIUM
AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
SUSE
MEDIUM
qualitative

Primary rating from NVD.

CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

3
Analysis Generated
Mar 17, 2026 - 20:45 vuln.today
Patch released
Mar 17, 2026 - 20:45 nvd
Patch available
CVE Published
Oct 07, 2025 - 16:15 nvd
MEDIUM 5.5

DescriptionCVE.org

In the Linux kernel, the following vulnerability has been resolved:

iommu/mediatek: Check return value after calling platform_get_resource()

platform_get_resource() may return NULL pointer, we need check its return value to avoid null-ptr-deref in resource_size().

AnalysisAI

A null pointer dereference vulnerability exists in the Linux kernel's MediaTek IOMMU driver where the platform_get_resource() function may return a NULL pointer without proper validation, leading to a crash when resource_size() attempts to dereference it. This affects all versions of the Linux kernel with the vulnerable MediaTek IOMMU code. A local attacker with low privileges can trigger a denial of service by causing a kernel panic, though the vulnerability is unlikely to be actively exploited in the wild given the low EPSS score of 0.01%.

Technical ContextAI

The vulnerability exists in the MediaTek IOMMU (Input/Output Memory Management Unit) driver subsystem within the Linux kernel (cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*). The root cause is classified as CWE-476: Null Pointer Dereference, a common memory safety issue where the code fails to check if a pointer allocation or resource acquisition succeeded before dereferencing it. The platform_get_resource() function is a Linux kernel API that retrieves platform device resources (memory, interrupts, etc.) and can legitimately return NULL if the resource does not exist or is unavailable. The vulnerable code passes this potentially-NULL pointer directly to resource_size() without validation, triggering a kernel oops when NULL is dereferenced.

RemediationAI

Update the Linux kernel to a version incorporating the fix by applying one of the three available patches from kernel.org (commit hashes: 73b6924cdebc899de9b719e1319aa86c6bed4acf, bfebf05883cdcf9ac983033987fae869bd59ca53, or feca904412483b2e0a903dd1f2e2843afd445f8c). Most Linux distributions will automatically include this fix in their next kernel update cycle. For systems unable to immediately patch, the practical risk is minimal given the low EPSS score and requirement for specific hardware misconfiguration to trigger the bug. Ensure MediaTek IOMMU hardware is properly initialized and configured during system boot to avoid NULL resource conditions.

CVE-2022-0847 HIGH POC
7.8 Mar 10

Linux kernel contains a flaw known as 'Dirty Pipe' where improper pipe buffer flag initialization allows unprivileged lo

CVE-2015-1328 HIGH POC
7.8 Nov 28

The overlayfs implementation in the linux (aka Linux kernel) package before 3.19.0-21.21 in Ubuntu through 15.04 does no

CVE-2017-7308 HIGH POC
7.8 Mar 29

The packet_set_ring function in net/packet/af_packet.c in the Linux kernel through 4.10.6 does not properly validate cer

CVE-2017-16995 HIGH POC
7.8 Dec 27

The check_alu_op function in kernel/bpf/verifier.c in the Linux kernel through 4.4 allows local users to cause a denial

CVE-2017-1000112 HIGH POC
7.0 Oct 05

Linux kernel: Exploitable memory corruption due to UFO to non-UFO path switch. Rated high severity (CVSS 7.0). Public ex

CVE-2015-8660 MEDIUM POC
6.7 Dec 28

The ovl_setattr function in fs/overlayfs/inode.c in the Linux kernel through 4.3.3 attempts to merge distinct setattr op

CVE-2012-0056 MEDIUM POC
6.9 Jan 27

The mem_write function in the Linux kernel before 3.2.2, when ASLR is disabled, does not properly check permissions when

CVE-2014-0038 MEDIUM POC
6.9 Feb 06

The compat_sys_recvmmsg function in net/compat.c in the Linux kernel before 3.13.2, when CONFIG_X86_X32 is enabled, allo

CVE-2016-8655 HIGH POC
7.8 Dec 08

Race condition in net/packet/af_packet.c in the Linux kernel through 4.8.12 allows local users to gain privileges or cau

CVE-2016-0728 HIGH POC
7.8 Feb 08

The join_session_keyring function in security/keys/process_keys.c in the Linux kernel before 4.4.1 mishandles object ref

CVE-2017-0561 CRITICAL POC
9.8 Apr 07

A remote code execution vulnerability in the Broadcom Wi-Fi firmware could enable a remote attacker to execute arbitrary

CVE-2022-2588 MEDIUM POC
5.3 Jan 08

It was discovered that the cls_route filter implementation in the Linux kernel would not remove an old filter from the h

Vendor StatusVendor

SUSE

Severity: Medium
Product Status
Container suse/sle-micro/base-5.5:2.0.4-5.8.224 Image SLES15-SP5-BYOS-Azure Image SLES15-SP5-BYOS-EC2 Image SLES15-SP5-BYOS-GCE Image SLES15-SP5-EC2 Image SLES15-SP5-GCE Image SLES15-SP5-HPC-BYOS-Azure Image SLES15-SP5-HPC-BYOS-EC2 Image SLES15-SP5-HPC-BYOS-GCE Image SLES15-SP5-Hardened-BYOS-Azure Image SLES15-SP5-Hardened-BYOS-EC2 Image SLES15-SP5-Hardened-BYOS-GCE Image SLES15-SP5-Micro-5-5 Image SLES15-SP5-Micro-5-5-Azure Image SLES15-SP5-Micro-5-5-BYOS Image SLES15-SP5-Micro-5-5-BYOS-Azure Image SLES15-SP5-Micro-5-5-EC2 Image SLES15-SP5-SAPCAL-Azure Image SLES15-SP5-SAPCAL-EC2 Image SLES15-SP5-SAPCAL-GCE Affected
Container suse/sle-micro/kvm-5.5:2.0.4-3.5.429 Affected
Container suse/sle-micro/rt-5.5:2.0.4-4.5.535 Affected
Image SLES15-SP5-SAP-Azure-3P Image SLES15-SP5-SAP-Azure-LI-BYOS Image SLES15-SP5-SAP-Azure-LI-BYOS-Production Image SLES15-SP5-SAP-Azure-VLI-BYOS Image SLES15-SP5-SAP-Azure-VLI-BYOS-Production Image SLES15-SP5-SAP-BYOS-Azure Image SLES15-SP5-SAP-BYOS-EC2 Image SLES15-SP5-SAP-BYOS-GCE Image SLES15-SP5-SAP-Hardened-Azure Image SLES15-SP5-SAP-Hardened-BYOS-Azure Image SLES15-SP5-SAP-Hardened-BYOS-EC2 Image SLES15-SP5-SAP-Hardened-BYOS-GCE Image SLES15-SP5-SAP-Hardened-GCE Affected
SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS Fixed

Share

CVE-2022-50524 vulnerability details – vuln.today

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy