GSD-2022-1006281 ALSA: bcd2000: Fix a UAF bug on the error path of probing
A use-after-free bug in the ALSA bcd2000 driver error path allows local attackers to potentially execute code or escalate privileges.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1006281?
GSD-2022-1006281 is an use after free vulnerability in Kernel, published on 17 Sep 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
ALSA: bcd2000: Fix a UAF bug on the error path of probing
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 v4.14.291 by commit 4fc41f7ebb7efca282f1740ea934d16f33c1d109, it was introduced in version v3.16 by commit b47a22290d581277be70e8a597824a4985d39e83. For more details please see the references link.
Which versions are affected by GSD-2022-1006281?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1006281?
No fix has been published for GSD-2022-1006281 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is GSD-2022-1006281 being exploited?
There is no known exploitation of GSD-2022-1006281 in the wild and no public exploit code.