CVE-2022-50042

net: genl: fix error path memory leak in policy dumping

MEDIUM

5.5

CVSS Score

Published: June 18, 2025 at 11:01 AM UTC

Updated: June 17, 2026 at 05:22 AM UTC

1 product affected across 1 vendorLinux Kernel

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Severity

MEDIUM5.5

Exploit prediction

EPSS 0.3%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel · Linux

95%

5.10 ≤ v < 5.10.1385.10 ≤ v < 5.15.635.10 ≤ v < 5.19.45.10 ≤ v < 6.05.11 ≤ v < 5.15.635.16 ≤ v < 5.19.45.1050a896cf2d6f34e884a00139d6e6012c9833ace36.0 rc1

Vendor states this is fixed in 249801360db3dec4f73768c502192020bfddeacc (fixed)

Vendor states this is fixed in 26b6acd365823e99e46be3b27500f5dc235dda5e (fixed)

Vendor states this is fixed in 83411c9f05d5a8b637293b3389eca3d378197c04 (fixed)

Vendor states this is fixed in b0672895d8be5d19d4b05ac83f807026fc791037 (fixed)

Vendor states this is fixed in 5.10 (unaffected)

Vendor states this is fixed in 5.10.138 (unaffected)

Vendor states this is fixed in 5.15.63 (unaffected)

Vendor states this is fixed in 5.19.4 (unaffected)

Vendor states this is fixed in 6.0 (unaffected)