PT-2025-8554 · Linux+2 · Linux Kernel+2

Published 2022-06-28 · Updated 2025-04-14 · CVE-2022-49621

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 bug has been identified in the Linux kernel, specifically in the pmac32-cpufreq module. The issue arises in the pmac cpufreq init MacRISC3() function, where the refcount for three node pointers is incremented by of find node by name(), but the corresponding of node put() is not called.

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

Exploit

Weakness Enumeration

CWE-911

CWE-664

Related Identifiers

BDU:2026-02624

CVE-2022-49621

OESA-2025-1408

SUSE-SU-2025:1027-1

SUSE-SU-2025:1176-1

SUSE-SU-2025:1183-1

SUSE-SU-2025:1241-1

SUSE-SU-2025_1027-1

SUSE-SU-2025_1241-1

Affected Products

Astra Linux

Linux Kernel

Suse

References · 1369

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49621.json · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2022-49396 · Security Note
• https://git.kernel.org/stable/c/37c16fc2cb13a13f3c0193bfc6f2edef7d7df7d7 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2022-49753 · Security Note
• https://git.kernel.org/stable/c/4585890ab2dbf455d80e254d3d859d4c1e357920 · Patch
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-49621 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:1027-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-57980 · Security Note
• https://git.kernel.org/stable/c/3ea9dbf7c2f436952bca331c6f5d72f75aca224e · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2022-49757 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-57996 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-49389 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-49491 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-49390 · Security Note
• https://git.kernel.org/stable/c/57289b6601fe78c09921599b042a0b430fb420ec · Patch