CVE-2022-48992 ASoC: soc-pcm: Add NULL check in BE reparenting
A missing NULL check in the Linux kernel's ASoC PCM subsystem allows a local attacker to cause a denial of service via kernel crash.
- 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-2022-48992?
CVE-2022-48992 is a medium-severity vulnerability in Linux kernel, published on 21 Oct 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:
ASoC: soc-pcm: Add NULL check in BE reparenting
Add NULL check in dpcm_be_reparent API, to handle kernel NULL pointer dereference error. The issue occurred in fuzzing test.
Weakness: CWE-476
Which versions are affected by CVE-2022-48992?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2022-48992?
Apply the vendor's patch.
Is CVE-2022-48992 being exploited?
There is no known exploitation of CVE-2022-48992 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2022-48992, GHSA-6gx3-9944-xmmr, UBUNTU-CVE-2022-48992.