GSD-2021-1000896 btrfs: promote debugging asserts to full-fledged checks in validate_super
The Linux kernel btrfs filesystem now enforces superblock validation checks previously limited to debug builds, potentially preventing undefined behavior.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Not stated
- Victim action needed
- Not stated
- Fix
- None listed
What is GSD-2021-1000896?
GSD-2021-1000896 is a vulnerability in Kernel, published on 30 Jun 2021.
Official description
btrfs: promote debugging asserts to full-fledged checks in validate_super
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 v5.4.126 by commit 298499d73d2dd380adb1da4e0e94b36122eb1171. For more details please see the references link.
Which versions are affected by GSD-2021-1000896?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1000896?
No fix has been published for GSD-2021-1000896 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1000896 being exploited?
There is no known exploitation of GSD-2021-1000896 in the wild and no public exploit code.