PT-2025-8500 · Linux+2 · Linux Kernel+2

Published 2022-05-19 · Updated 2025-02-27 · CVE-2022-49567

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description A vulnerability has been identified in the Linux kernel, specifically in the mm/mempolicy.c file. The issue arises when the mpol set nodemask() function does not initialize the nodemask in the pol structure when pol->mode is set to MPOL LOCAL. This can lead to an uninit-value error in the mpol rebind policy() function. The vulnerability is triggered when the mode is set to MPOL PREFERRED and nodes empty(*nodes) is true, and flags is 0. The estimated number of potentially affected devices is not provided.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Use of Uninitialized Resource

Weakness Enumeration

CWE-908

Related Identifiers

BDU:2026-02226

CVE-2022-49567

RHSA-2023:6583

RHSA-2023_6583

Affected Products

Astra Linux

Linux Kernel

Red Hat

References · 25

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49567.json · Exploit
• https://git.kernel.org/stable/c/018160ad314d75b1409129b2247b614a9f35894c · Patch
• https://git.kernel.org/stable/c/a1f8765f68bc9bf5744b365bb9f5e0b6db93edfe · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2022-49567 · Security Note
• https://git.kernel.org/stable/c/13d51565cec1aa432a6ab363edc2bbc53c6f49cb · Patch
• https://osv.dev/vulnerability/CVE-2022-49567 · Vendor Advisory
• https://git.kernel.org/stable/c/5735845906fb1d90fe597f8b503fc0a857d475e3 · Patch
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-49567 · Vendor Advisory
• https://git.kernel.org/stable/c/8c5429a04ccd8dbcc3c753dab2f4126774ec28d4 · Patch
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-49567 · Vendor Advisory
• https://git.kernel.org/stable/c/ddb3f0b68863bd1c5f43177eea476bce316d4993 · Patch
• https://git.kernel.org/stable/c/777e563f10e91e91130fe06bee85220d508e7b9b · Patch
• https://git.kernel.org/stable/c/aaa1c5d635a6fca2043513ffb5be169f9cd17d9e · Patch
• https://cve.org/CVERecord?id=CVE-2022-49567 · Security Note
• https://bdu.fstec.ru/vul/2026-02226 · Security Note