GSD-2023-1000309 btrfs: qgroup: fix sleep from invalid context bug in btrfs_qgroup_inherit()
A bug in the Linux kernel btrfs filesystem allows a local attacker to cause a system crash via invalid context sleep.
- 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-2023-1000309?
GSD-2023-1000309 is a denial of service vulnerability in Kernel, published on 17 Jan 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
btrfs: qgroup: fix sleep from invalid context bug in btrfs_qgroup_inherit()
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 v5.4.226 by commit 8eb912af525042a7365295eb62f6d5270c2a6462. For more details please see the references link.
Which versions are affected by GSD-2023-1000309?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1000309?
No fix has been published for GSD-2023-1000309 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-2023-1000309 being exploited?
There is no known exploitation of GSD-2023-1000309 in the wild and no public exploit code.