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

What is CVE-2022-49485?

CVE-2022-49485 is a medium-severity vulnerability in Linux kernel, published on 26 Feb 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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.

Weakness: CWE-476

Which versions are affected by CVE-2022-49485?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2022-49485?

Apply the vendor's patch.

Is CVE-2022-49485 being exploited?

There is no known exploitation of CVE-2022-49485 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2022-49485, GHSA-3mr7-v482-7rj9, UBUNTU-CVE-2022-49485.