GSD-2022-1006886 jbd2: fix potential use-after-free in jbd2_fc_wait_bufs
A use-after-free vulnerability in the Linux kernel's jbd2 filesystem component could allow local attackers to execute arbitrary code or escalate privileges.
- 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-2022-1006886?
GSD-2022-1006886 is an use after free 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: 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 v6.0.3 by commit effd9b3c029ecdd853a11933dcf857f5a7ca8c3d. For more details please see the references link.
Which versions are affected by GSD-2022-1006886?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1006886?
No fix has been published for GSD-2022-1006886 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-2022-1006886 being exploited?
There is no known exploitation of GSD-2022-1006886 in the wild and no public exploit code.