GSD-2022-1000654 ALSA: hda: Fix UAF of leds class devs at unbinding
A use-after-free vulnerability in the ALSA HDA driver allows local attackers to cause denial of service or escalate privileges.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1000654?
GSD-2022-1000654 is an use after free vulnerability in Kernel, published on 27 Feb 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
ALSA: hda: Fix UAF of leds class devs at unbinding
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 v5.16.8 by commit 813e9f3e06d22e29872d4fd51b54992d89cf66c8. For more details please see the references link.
Which versions are affected by GSD-2022-1000654?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1000654?
No fix has been published for GSD-2022-1000654 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-2022-1000654 being exploited?
There is no known exploitation of GSD-2022-1000654 in the wild and no public exploit code.