CVE-2024-27077 media: v4l2-mem2mem: fix a memleak in v4l2_m2m_register_entity

What is CVE-2024-27077?

CVE-2024-27077 is a medium-severity denial of service vulnerability in Debian Debian Linux, published on 1 May 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: v4l2-mem2mem: fix a memleak in v4l2_m2m_register_entity

The entity->name (i.e. name) is allocated in v4l2_m2m_register_entity but isn't freed in its following error-handling paths. This patch adds such deallocation to prevent memleak of entity->name.

Weakness: CWE-401

Which versions are affected by CVE-2024-27077?

It affects 2 products.

Products include Debian Debian Linux, Linux kernel.

How do I fix CVE-2024-27077?

Apply the vendor's patch.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2024-27077 being exploited?

There is no known exploitation of CVE-2024-27077 in the wild and no public exploit code.

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All Debian Debian Linux vulnerabilities

Sources

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

Also known as BELL-CVE-2024-27077, DEBIAN-CVE-2024-27077, GHSA-75m5-rxwg-h223, UBUNTU-CVE-2024-27077.