GSD-2022-1007123 jbd2: fix potential use-after-free in jbd2_fc_wait_bufs
A potential use-after-free in the Linux kernel jbd2 filesystem component could allow attackers to execute code or cause a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Not stated
- Victim action needed
- Not stated
- Fix
- None listed
What is GSD-2022-1007123?
GSD-2022-1007123 is an use after free vulnerability in Kernel, published on 14 Nov 2022.
Official description
jbd2: fix potential use-after-free in jbd2_fc_wait_bufs
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 d11d2ded293976a1a0d9d9471827a44dc9e3c63f. For more details please see the references link.
Which versions are affected by GSD-2022-1007123?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1007123?
No fix has been published for GSD-2022-1007123 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-2022-1007123 being exploited?
There is no known exploitation of GSD-2022-1007123 in the wild and no public exploit code.