GSD-2021-1001051 gfs2: Fix use-after-free in gfs2_glock_shrink_scan
A use-after-free vulnerability in the Linux kernel's gfs2 filesystem 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-2021-1001051?
GSD-2021-1001051 is an use after free vulnerability in Kernel, published on 30 Jun 2021.
Official description
gfs2: Fix use-after-free in gfs2_glock_shrink_scan
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 v5.12.12 by commit e87ef30fe73e7e10d2c85bdcc778dcec24dca553. For more details please see the references link.
Which versions are affected by GSD-2021-1001051?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1001051?
No fix has been published for GSD-2021-1001051 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-2021-1001051 being exploited?
There is no known exploitation of GSD-2021-1001051 in the wild and no public exploit code.