GSD-2022-1005913 md-raid: destroy the bitmap after destroying the thread
A use-after-free vulnerability in the Linux kernel md-raid subsystem allows local attackers to cause denial of service or potentially escalate privileges.
- 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-2022-1005913?
GSD-2022-1005913 is an use after free 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
md-raid: destroy the bitmap after destroying the thread
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 v5.10.137 by commit e0bdaed154e5b9cc4310ddaf5da290483d00e6ba, it was introduced in version v4.12 by commit 48df498daf62e1292868005675331929305067f0. For more details please see the references link.
Which versions are affected by GSD-2022-1005913?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1005913?
No fix has been published for GSD-2022-1005913 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is GSD-2022-1005913 being exploited?
There is no known exploitation of GSD-2022-1005913 in the wild and no public exploit code.