GSD-2022-1006439 ALSA: emu10k1: Fix out of bounds access in snd_emu10k1_pcm_channel_alloc()
A local attacker can trigger an out-of-bounds access in the ALSA emu10k1 driver, potentially causing a system crash or privilege escalation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1006439?
GSD-2022-1006439 is a memory corruption vulnerability in Kernel, published on 2 Oct 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
ALSA: emu10k1: Fix out of bounds access in snd_emu10k1_pcm_channel_alloc()
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 v4.19.258 by commit 88aac6684cf8bc885cca15463cb4407e91f28ff7. For more details please see the references link.
Which versions are affected by GSD-2022-1006439?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1006439?
No fix has been published for GSD-2022-1006439 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is GSD-2022-1006439 being exploited?
There is no known exploitation of GSD-2022-1006439 in the wild and no public exploit code.