CVE-2022-50391

Published: Sep 18, 2025Modified: Jan 14, 2026

5.5

Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploitability: 1.8 / Impact: 3.6

Source: NVD

Description

In the Linux kernel, the following vulnerability has been resolved: mm/mempolicy: fix memory leak in set_mempolicy_home_node system call When encountering any vma in the range with policy other than MPOL_BIND or MPOL_PREFERRED_MANY, an error is returned without issuing a mpol_put on the policy just allocated with mpol_dup(). This allows arbitrary users to leak kernel memory.

Affected (2)

Products: Linux: Linux Kernel

1 product

Configuration A

2 vulnerable

Vulnerable Software	Affected Versions
Linux Linux Kernel	From 5.17 to 6.0.17
Linux Linux Kernel	From 6.1 to 6.1.3

Related CWEs

Missing Release of Memory after Effective Lifetime

The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory.

References (3)

https://git.kernel.org/stable/c/0ce4cc6d269ddc448a825955b495f662f5d9e153

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Patch

https://git.kernel.org/stable/c/38ce7c9bdfc228c14d7621ba36d3eebedd9d4f76

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Patch

https://git.kernel.org/stable/c/4ca0eb6b2f3add8c5daefb726ce57dc95d103d33

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Patch

Timeline

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