PT-2025-8365 · Linux+2 · Linux Kernel+2

Peng Wu · Published 2022-05-22 · Updated 2025-04-14 · CVE-2022-49431

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/iommu component. The problem arises from the of find compatible node function, which returns a device node pointer with an incremented refcount. To prevent this leak, it is necessary to use the of node put() function.

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

Related Identifiers

BDU:2026-02613

CVE-2022-49431

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 · 1337

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49431.json · Exploit
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-49431 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:1027-1 · Vendor Advisory
• https://git.kernel.org/stable/c/df6d8b689252c0acc0448d4ae3d33f2d6db048ab · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2022-49431 · Security Note
• https://ubuntu.com/security/CVE-2022-49431 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-49431 · Vendor Advisory
• https://git.kernel.org/stable/c/cb4f2dc513e99c5d0485661f114e4dda73612d10 · Patch
• https://bdu.fstec.ru/vul/2026-02613 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2025:1241-1 · Vendor Advisory
• https://git.kernel.org/stable/c/7e3f1dfb9e21733d7276bc9ccea4daada163f2ba · Patch
• https://git.kernel.org/stable/c/dfc308d6f29aa28463deb9a12278a85a382385ca · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:1176-1 · Vendor Advisory
• https://git.kernel.org/stable/c/8657e8ea23325949091da72453ba84fb73cc2bd9 · Patch
• https://git.kernel.org/stable/c/57b742a5b8945118022973e6416b71351df512fb · Patch