GSD-2023-1001539 dm thin: Use last transaction's pmd->root when commit failed
A flaw in the Linux kernel's device-mapper thin provisioning could cause issues when commits fail, potentially leading to system instability or denial of service.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2023-1001539?
GSD-2023-1001539 is a 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
dm thin: Use last transaction's pmd->root when commit failed
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 v4.9.337 by commit b35a22760aa5008d82533e59b0f0b5eb1b02d4e5, it was introduced in version v3.2 by commit 991d9fa02da0dd1f843dc011376965e0c8c6c9b5. For more details please see the references link.
Which versions are affected by GSD-2023-1001539?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1001539?
No fix has been published for GSD-2023-1001539 yet. Limit exposure of the affected software until one is available.
Is GSD-2023-1001539 being exploited?
There is no known exploitation of GSD-2023-1001539 in the wild and no public exploit code.