PT-2025-8601 · Linux+2 · Linux Kernel+2

Miaoqian Lin · Published 2025-02-26 · Updated 2025-05-20 · CVE-2022-49668

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 exynos-ppmu devfreq driver. The of get devfreq events function fails to call of node put() in error paths, leading to a refcount leak. This occurs because of get child by name() returns a node pointer with an incremented refcount, which should be decremented using of node put() when no longer needed.

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

Exploit

Related Identifiers

CVE-2022-49668

SUSE-SU-2025:01600-1

SUSE-SU-2025:1027-1

SUSE-SU-2025:1176-1

SUSE-SU-2025:1183-1

SUSE-SU-2025:1241-1

SUSE-SU-2025_01600-1

SUSE-SU-2025_1027-1

SUSE-SU-2025_1241-1

Affected Products

Astra Linux

Linux Kernel

Suse

References · 1455

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49668.json · Exploit
• https://git.kernel.org/stable/c/f44b799603a9b5d2e375b0b2d54dd0b791eddfc2 · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:1027-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-49668 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:01600-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-49668 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:1241-1 · Vendor Advisory
• https://git.kernel.org/stable/c/e65027fdebbacd40595e96ef7b5d2418f71bddf2 · Patch
• https://git.kernel.org/stable/c/194781229d4cbc804b8ded13156eb8addce87d6c · Patch
• https://cve.org/CVERecord?id=CVE-2022-49668 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2022-49668 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:1176-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-49668 · Vendor Advisory
• https://git.kernel.org/stable/c/bdecd912e99acfd61507f1720d3f4eed1b3418d8 · Patch
• https://osv.dev/vulnerability/CVE-2022-49668 · Vendor Advisory