GSD-2022-1003733 dlm: fix plock invalid read
A local attacker can trigger an invalid read in the Linux Kernel DLM module, potentially causing a crash or leaking 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-2022-1003733?
GSD-2022-1003733 is a memory corruption vulnerability in Kernel, published on 28 Jun 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
dlm: fix plock invalid read
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 v5.4.198 by commit 49cd9eb7b9a7b88124b31e31f8e539acaf1b3a6d, it was introduced in version v2.6.22 by commit 586759f03e2e9031ac5589912a51a909ed53c30a. For more details please see the references link.
Which versions are affected by GSD-2022-1003733?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1003733?
No fix has been published for GSD-2022-1003733 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-2022-1003733 being exploited?
There is no known exploitation of GSD-2022-1003733 in the wild and no public exploit code.