GSD-2022-1001640 dm integrity: fix memory corruption when tag_size is less than digest size
A memory corruption flaw in the Linux kernel dm integrity module allows local attackers to potentially execute code or escalate privileges.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1001640?
GSD-2022-1001640 is a memory corruption vulnerability in Kernel, published on 24 Apr 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
dm integrity: fix memory corruption when tag_size is less than digest size
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 v5.15.35 by commit 6b4bf97587ef6c1927a78934b700204920655123. For more details please see the references link.
Which versions are affected by GSD-2022-1001640?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1001640?
No fix has been published for GSD-2022-1001640 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-2022-1001640 being exploited?
There is no known exploitation of GSD-2022-1001640 in the wild and no public exploit code.