GSD-2022-1006525 mm/slab_common: fix possible double free of kmem_cache
A double free vulnerability in the Linux kernel's slab allocator allows local attackers to cause denial of service or potentially 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-2022-1006525?
GSD-2022-1006525 is an use after free vulnerability in Kernel, published on 9 Oct 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
mm/slab_common: fix possible double free of kmem_cache
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 v5.19.12 by commit c673c6ceac53fb2e631c9fbbd79957099a08927f, it was introduced in version v5.19.8 by commit 357321557920c805de2b14832002465c320eea4f. For more details please see the references link.
Which versions are affected by GSD-2022-1006525?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1006525?
No fix has been published for GSD-2022-1006525 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-2022-1006525 being exploited?
There is no known exploitation of GSD-2022-1006525 in the wild and no public exploit code.