GSD-2022-1000983 cachefiles: Fix KASAN slab-out-of-bounds in cachefiles_set_volume_xattr
A slab-out-of-bounds memory corruption in the Linux kernel cachefiles subsystem allows local attackers to cause denial of service or potentially execute code.
- 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-2022-1000983?
GSD-2022-1000983 is a memory corruption vulnerability in Kernel, published on 24 Apr 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
cachefiles: Fix KASAN slab-out-of-bounds in cachefiles_set_volume_xattr
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 v5.17.4 by commit 09a5df1b88c8f126c8ff9938edf160edd4e92f42, it was introduced in version v5.17 by commit 413a4a6b0b5553f2423d210f65e98c211b99c3f8. For more details please see the references link.
Which versions are affected by GSD-2022-1000983?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1000983?
No fix has been published for GSD-2022-1000983 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-2022-1000983 being exploited?
There is no known exploitation of GSD-2022-1000983 in the wild and no public exploit code.