GSD-2021-1001913 btrfs: fix abort logic in btrfs_replace_file_extents
A logic error in the btrfs filesystem code can lead to a system crash, requiring local access to exploit.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2021-1001913?
GSD-2021-1001913 is a denial of service vulnerability in Kernel, published on 28 Oct 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
btrfs: fix abort logic in btrfs_replace_file_extents
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 v5.14.14 by commit 0e309e1152fc34ef75991d9d69b165dbf75bf26c. For more details please see the references link.
Which versions are affected by GSD-2021-1001913?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1001913?
No fix has been published for GSD-2021-1001913 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is GSD-2021-1001913 being exploited?
There is no known exploitation of GSD-2021-1001913 in the wild and no public exploit code.