CVE-2022-50085 dm raid: fix address sanitizer warning in raid_resume
An out-of-bounds read in the Linux kernel dm raid module can cause a crash, requiring a kernel patch to resolve.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-50085?
CVE-2022-50085 is a high-severity memory corruption vulnerability in Linux kernel, published on 18 Jun 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In the Linux kernel, the following vulnerability has been resolved:
dm raid: fix address sanitizer warning in raid_resume
There is a KASAN warning in raid_resume when running the lvm test lvconvert-raid.sh. The reason for the warning is that mddev->raid_disks is greater than rs->raid_disks, so the loop touches one entry beyond the allocated length.
Which versions are affected by CVE-2022-50085?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2022-50085?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2022-50085 being exploited?
There is no known exploitation of CVE-2022-50085 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2022-50085, GHSA-7hff-83q3-hx7g, UBUNTU-CVE-2022-50085.