GSD-2022-1001330 jbd2: fix use-after-free of transaction_t race
A use-after-free race condition in the Linux kernel jbd2 subsystem could allow attackers to execute arbitrary code or escalate privileges.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Not stated
- Victim action needed
- Not stated
- Fix
- None listed
What is GSD-2022-1001330?
GSD-2022-1001330 is an use after free vulnerability in Kernel, published on 24 Apr 2022.
Official description
jbd2: fix use-after-free of transaction_t race
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 v5.17.1 by commit bff94c57bd130e3062afa94414c2294871314096, it was introduced in version v5.17 by commit 4f98186848707f530669238d90e0562d92a78aab. For more details please see the references link.
Which versions are affected by GSD-2022-1001330?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1001330?
No fix has been published for GSD-2022-1001330 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-2022-1001330 being exploited?
There is no known exploitation of GSD-2022-1001330 in the wild and no public exploit code.