CVE-2022-50042
MEDIUM severity · CVSS 5.5 · CWE-401
5.5CVSS MEDIUM
Summary
In the Linux kernel, the following vulnerability has been resolved: net: genl: fix error path memory leak in policy dumping If construction of the array of policies fails when recording non-first policy we need to unwind. netlink_policy_dump_add_policy() itself also needs fixing as it currently gives up on error without recording the allocated pointer in the pstate pointer.
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/249801360db3dec4f73768c502192020bfddeacc ↗
Additional information
- NVD record
- https://git.kernel.org/stable/c/249801360db3dec4f73768c502192020bfddeaccPatch
- https://git.kernel.org/stable/c/26b6acd365823e99e46be3b27500f5dc235dda5ePatch
- https://git.kernel.org/stable/c/83411c9f05d5a8b637293b3389eca3d378197c04Patch
- https://git.kernel.org/stable/c/b0672895d8be5d19d4b05ac83f807026fc791037Patch