What’s Vulnerable › Vulnerabilities

CVE-2022-49485: drm/v3d: Fix null pointer dereference of pointer perfmon

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-02-26 · updated 2026-06-17
• Weakness: CWE-476

Description

In the Linux kernel, the following vulnerability has been resolved: drm/v3d: Fix null pointer dereference of pointer perfmon In the unlikely event that pointer perfmon is null the WARN_ON return path occurs after the pointer has already been deferenced. Fix this by only dereferencing perfmon after it has been null checked.

Affected products

• Linux kernel: from 5.15 before 5.15.46; from 5.16 before 5.17.14; from 5.18 before 5.18.3 — fixed in 5.15.46, 5.17.14, 5.18.3

How to fix

Upgrade to a fixed version: Linux kernel 5.15.46, 5.17.14, 5.18.3. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/1df8f8901babcc8c8eea2c067179e455b5c828fd
• https://git.kernel.org/stable/c/3b72deb784a7d4ae8519a5c584cd87c4b57aa6c8
• https://git.kernel.org/stable/c/4be045434923e549a50846a066a04b7b6c1d6d33
• https://git.kernel.org/stable/c/ce7a1ecf3f9f1fccaf67295307614511d8e11b13

Get alerted when CVE-2022-49485 or the next vulnerability affects your stack