GSD-2021-1002245 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-2021-1002245?
GSD-2021-1002245 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 v4.19.218 by commit ed058d735a70f4b063323f1a7bb33cda0f987513, it was introduced in version v3.15 by commit 08a9ff3264181986d1d692a4e6fce3669700c9f8. For more details please see the references link.
Which versions are affected by GSD-2021-1002245?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1002245?
No fix has been published for GSD-2021-1002245 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1002245 being exploited?
There is no known exploitation of GSD-2021-1002245 in the wild and no public exploit code.