GSD-2022-1007993 btrfs: fix inode list leak during backref walking at find_parent_nodes()
A memory leak in the btrfs filesystem allows local attackers to cause denial of service by exhausting kernel memory.
- 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-2022-1007993?
GSD-2022-1007993 is a memory corruption vulnerability in Kernel, published on 8 Dec 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
btrfs: fix inode list leak during backref walking at find_parent_nodes()
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 v5.15.78 by commit 222a3d533027b9492d5b7f5ecdc01a90f57bb5a9, it was introduced in version v4.14 by commit 86d5f994425252d8a40e2184c94a2682ae8ecfbf. For more details please see the references link.
Which versions are affected by GSD-2022-1007993?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1007993?
No fix has been published for GSD-2022-1007993 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is GSD-2022-1007993 being exploited?
There is no known exploitation of GSD-2022-1007993 in the wild and no public exploit code.