CVE-2024-39485 media: v4l: async: Properly re-initialise notifier entry in unregister

What is CVE-2024-39485?

CVE-2024-39485 is a medium-severity use after free vulnerability in Linux kernel, published on 5 Jul 2024. 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:

media: v4l: async: Properly re-initialise notifier entry in unregister

The notifier_entry of a notifier is not re-initialised after unregistering the notifier. This leads to dangling pointers being left there so use list_del_init() to return the notifier_entry an empty list.

Weakness: CWE-665

Which versions are affected by CVE-2024-39485?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2024-39485?

Apply the vendor's patch.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2024-39485 being exploited?

There is no known exploitation of CVE-2024-39485 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 AZL-43261, BELL-CVE-2024-39485, DEBIAN-CVE-2024-39485, GHSA-6gfx-cx3g-jx7c, UBUNTU-CVE-2024-39485.