GSD-2022-1007121 jbd2: add miss release buffer head in fc_do_one_pass()
A missing buffer head release in the Linux kernel jbd2 filesystem code can lead to memory corruption and potential denial of service.
- 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-2022-1007121?
GSD-2022-1007121 is a memory corruption vulnerability in Kernel, published on 14 Nov 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
jbd2: add miss release buffer head in fc_do_one_pass()
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 v5.15.75 by commit 56fcd0788f0d9243c1754bd6f80b8b327c4afeee. For more details please see the references link.
Which versions are affected by GSD-2022-1007121?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1007121?
No fix has been published for GSD-2022-1007121 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-2022-1007121 being exploited?
There is no known exploitation of GSD-2022-1007121 in the wild and no public exploit code.