PT-2025-8371 · Linux+6 · Linux Kernel+6

Miaoqian Lin · Published 2022-01-01 · Updated 2026-03-14 · CVE-2022-49437

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 refcount leak issue has been identified in the Linux kernel, specifically in the powerpc/xive component. The problem arises from the of find compatible node() function, which returns a node pointer with an incremented refcount. To prevent a refcount leak, it is necessary to use of node put() on the node pointer when it is no longer needed. The issue has been resolved by adding a missing of node put() call.

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

Exploit

Related Identifiers

ALSA-2025:20518

ALSA-2025_12746

ALSA-2025_12752

ALSA-2025_12753

ALSA-2025_16880

ALSA-2025_18281

ALSA-2025_19102

ALSA-2025_19103

ALSA-2025_19409

ALSA-2025_20518

CVE-2022-49437

INFSA-2025_20518

OPENSUSE-SU-2025_1263-1

RHSA-2025:20518

RHSA-2025_20518

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-2025:1293-1

SUSE-SU-2025_1027-1

SUSE-SU-2025_1241-1

SUSE-SU-2025_1263-1

SUSE-SU-2025_1293-1

Affected Products

Almalinux

Astra Linux

Debian

Linux Kernel

Red Hat

Rocky Linux

Suse

References · 1721

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49437.json · Exploit
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-49437 · Vendor Advisory
• https://errata.rockylinux.org/RLSA-2025:20518 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:1183-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:1293-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:1176-1 · Vendor Advisory
• https://osv.dev/vulnerability/ALSA-2025:20518 · Vendor Advisory
• https://git.kernel.org/stable/c/6e806485d851986a2445267608f27cb4ba2ed774 · Patch
• https://osv.dev/vulnerability/ROOT-OS-DEBIAN-11-CVE-2022-49437 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2022-49437 · Vendor Advisory
• https://git.kernel.org/stable/c/65f11ccdd746e0e7f0b469cc989ba43d4f30ecfe · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2022-49437 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2022-49437 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:1194-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-49437 · Vendor Advisory