GSD-2022-1002786 ALSA: pcm: Check for null pointer of pointer substream before dereferencing it
A null pointer dereference in the ALSA PCM subsystem can cause a kernel crash, requiring a patch to the Linux Kernel.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Not stated
- Victim action needed
- Not stated
- Fix
- None listed
What is GSD-2022-1002786?
GSD-2022-1002786 is a vulnerability in Kernel, published on 28 Jun 2022.
Official description
ALSA: pcm: Check for null pointer of pointer substream before dereferencing it
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.18.3 by commit b41ef7ad9238c22aa2e142f5ce4ce1a1a0d48123, it was introduced in version v5.6 by commit d4cfb30fce03093ad944e0b44bd8f40bdad5330e. For more details please see the references link.
Which versions are affected by GSD-2022-1002786?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1002786?
No fix has been published for GSD-2022-1002786 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1002786 being exploited?
There is no known exploitation of GSD-2022-1002786 in the wild and no public exploit code.