CVE-2023-53044
MEDIUM severity · CVSS 5.5 · CWE-476
5.5CVSS MEDIUM
Summary
In the Linux kernel, the following vulnerability has been resolved: dm stats: check for and propagate alloc_percpu failure Check alloc_precpu()'s return value and return an error from dm_stats_init() if it fails. Update alloc_dev() to fail if dm_stats_init() does. Otherwise, a NULL pointer dereference will occur in dm_stats_cleanup() even if dm-stats isn't being actively used.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: https://git.kernel.org/stable/c/0d96bd507ed7e7d565b6d53ebd3874686f123b2e ↗
Additional information
- NVD record
- https://git.kernel.org/stable/c/0d96bd507ed7e7d565b6d53ebd3874686f123b2ePatch
- https://git.kernel.org/stable/c/2287d7b721471a3d58bcd829250336e3cdf1635ePatch
- https://git.kernel.org/stable/c/443c9d522397511a4328dc2ec3c9c63c73049756Patch
- https://git.kernel.org/stable/c/4a32a9a818a895671bd43e0c40351e60e4e9140bPatch
- https://git.kernel.org/stable/c/5b66e36a3efd24041b7374432bfa4dec2ff01e95Patch
- https://git.kernel.org/stable/c/a42180dd361584816bfe15c137b665699b994d90Patch
- https://git.kernel.org/stable/c/c68f08cc745675a17894e1b4a5b5b9700ace6da4Patch
- https://git.kernel.org/stable/c/d3aa3e060c4a80827eb801fc448debc9daa7c46bPatch