GSD-2022-1005548 ext4: fix race when reusing xattr blocks
A race condition in the Linux kernel ext4 filesystem allows local attackers to potentially escalate privileges or cause a denial of service.
- 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-2022-1005548?
GSD-2022-1005548 is a vulnerability in Kernel, published on 17 Sep 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
ext4: fix race when reusing xattr blocks
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 v5.15.61 by commit 1be97463696c7291a3e1547614e96432b0bd3add, it was introduced in version v4.6 by commit 82939d7999dfc1f1998c4b1c12e2f19edbdff272. For more details please see the references link.
Which versions are affected by GSD-2022-1005548?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1005548?
No fix has been published for GSD-2022-1005548 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1005548 being exploited?
There is no known exploitation of GSD-2022-1005548 in the wild and no public exploit code.