GSD-2022-1006334 erofs: fix pcluster use-after-free on UP platforms
A use-after-free vulnerability in the Linux kernel erofs filesystem allows local attackers to cause denial of service or potentially escalate privileges.
- 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-2022-1006334?
GSD-2022-1006334 is an use after free 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
erofs: fix pcluster use-after-free on UP platforms
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 v5.19.9 by commit 94c34faaafe7b55adc2d8d881db195b646959b9e, it was introduced in version v5.0 by commit 73f5c66df3e26ab750cefcb9a3e08c71c9f79cad. For more details please see the references link.
Which versions are affected by GSD-2022-1006334?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1006334?
No fix has been published for GSD-2022-1006334 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-2022-1006334 being exploited?
There is no known exploitation of GSD-2022-1006334 in the wild and no public exploit code.