GSD-2021-1002235 btrfs: fix memory ordering between normal and ordered work functions
A memory ordering issue in btrfs work functions may lead to undefined behavior, requiring a kernel patch for stability.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Not stated
- Victim action needed
- Not stated
- Fix
- None listed
What is GSD-2021-1002235?
GSD-2021-1002235 is a vulnerability in Kernel, published on 29 Nov 2021.
Official description
btrfs: fix memory ordering between normal and ordered work functions
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 v4.14.256 by commit 804a9d239ae9cbe88e861a7cd62319cc6ec7b136, it was introduced in version v3.15 by commit 08a9ff3264181986d1d692a4e6fce3669700c9f8. For more details please see the references link.
Which versions are affected by GSD-2021-1002235?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1002235?
No fix has been published for GSD-2021-1002235 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1002235 being exploited?
There is no known exploitation of GSD-2021-1002235 in the wild and no public exploit code.