PT-2025-8589 · Linux+2 · Linux Kernel+2

Miaoqian Lin · Published 2025-02-26 · Updated 2025-04-14 · CVE-2022-49656

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 meson smp prepare cpus function. The of find compatible node() function returns a node pointer with an incremented refcount, which requires the use of of node put() when done to avoid a refcount leak. 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

CVE-2022-49656

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 · 1330

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49656.json · Exploit
• https://git.kernel.org/stable/c/34d2cd3fccced12b958b8848e3eff0ee4296764c · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:1027-1 · Vendor Advisory
• https://git.kernel.org/stable/c/2e1bcd33478ef44e63a45457055060b5fe4118ad · Patch
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-49656 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2022-49656 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-49656 · Vendor Advisory
• https://git.kernel.org/stable/c/3d90607e7e6afa89768b0aaa915b58bd2b849276 · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:1241-1 · Vendor Advisory
• https://git.kernel.org/stable/c/c5fbf4f74c94fd60d5e9bf9f7f8268c3601562ca · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:1176-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2022-49656 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-49656 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:1183-1 · Vendor Advisory
• https://git.kernel.org/stable/c/3cf8ece9113242c10f83c7675ea4f4f67959ee43 · Patch