CVE-2024-27078 media: v4l2-tpg: fix some memleaks in tpg_alloc
A memory leak in the Linux kernel's V4L2 test pattern generator allows attackers to cause a denial of service by exhausting system memory.
- 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-2024-27078?
CVE-2024-27078 is a medium-severity denial of service vulnerability in Linux kernel, 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-tpg: fix some memleaks in tpg_alloc
In tpg_alloc, resources should be deallocated in each and every error-handling paths, since they are allocated in for statements. Otherwise there would be memleaks because tpg_free is called only when tpg_alloc return 0.
Weakness: CWE-401
Which versions are affected by CVE-2024-27078?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2024-27078?
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-2024-27078 being exploited?
There is no known exploitation of CVE-2024-27078 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-40298, BELL-CVE-2024-27078, DEBIAN-CVE-2024-27078, GHSA-75hm-6r7q-72p3, UBUNTU-CVE-2024-27078.