PT-2025-8376 · Linux+3 · Linux Kernel+3

Miaohe Lin · Published 2022-04-28 · Updated 2025-05-20 · CVE-2022-49442

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 issue in the Linux kernel has been identified where a compaction sysfs file leak occurs due to the failure to remove the file in the unregister node function after it is created via compaction register node in register node. This leak is addressed by utilizing compaction unregister node.

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

Exploit

Memory Leak

Weakness Enumeration

CWE-401

CWE-19

Related Identifiers

BDU:2026-03869

CVE-2022-49442

OPENSUSE-SU-2025_1263-1

RHSA-2023:2458

RHSA-2023_2458

SUSE-SU-2025:01600-1

SUSE-SU-2025:1027-1

SUSE-SU-2025:1176-1

SUSE-SU-2025:1183-1

SUSE-SU-2025:1194-1

SUSE-SU-2025:1241-1

SUSE-SU-2025:1263-1

SUSE-SU-2025_01600-1

SUSE-SU-2025_1027-1

SUSE-SU-2025_1241-1

SUSE-SU-2025_1263-1

Affected Products

Astra Linux

Linux Kernel

Red Hat

Suse

References · 1484

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49442.json · Exploit
• https://git.kernel.org/stable/c/d8a5bdc767f17281da648555cdbd286f98fd98ee · Patch
• https://osv.dev/vulnerability/CVE-2022-49442 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-49442 · Vendor Advisory
• https://git.kernel.org/stable/c/6905be93d1ab54f73718047536fec0ca488d5315 · Patch
• https://git.kernel.org/stable/c/386e69e068177ee91cac27f2f0e6ebda1515f5ca · Patch
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-49442 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:1183-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:1176-1 · Vendor Advisory
• https://git.kernel.org/stable/c/606732650a2c88e66c59c22dd5464ea0d820250e · Patch
• https://bdu.fstec.ru/vul/2026-03869 · Security Note
• https://git.kernel.org/stable/c/466134df7561aeb801baddf6666b512e0e1a1707 · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:01600-1 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2022-49442 · Security Note
• https://git.kernel.org/stable/c/39642b0feddb9c39faa6de469a94bfeb4dc0d3a9 · Patch