CVE-2024-39481 media: mc: Fix graph walk in media_pipeline_start
A flaw in the Linux kernel media subsystem causes a crash when processing ancillary links, leading to denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-39481?
CVE-2024-39481 is a high-severity 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: mc: Fix graph walk in media_pipeline_start
The graph walk tries to follow all links, even if they are not between pads. This causes a crash with, e.g. a MEDIA_LNK_FL_ANCILLARY_LINK link.
Fix this by allowing the walk to proceed only for MEDIA_LNK_FL_DATA_LINK links.
Which versions are affected by CVE-2024-39481?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2024-39481?
Apply the vendor's patch.
Is CVE-2024-39481 being exploited?
There is no known exploitation of CVE-2024-39481 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2024-39481, DEBIAN-CVE-2024-39481, GHSA-29w9-rxvw-c7w4, UBUNTU-CVE-2024-39481.