PT-2025-25875 · Linux+2 · Linux Kernel+2

Published 2022-08-30 · Updated 2025-07-15 · CVE-2022-49949

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 memory leak issue has been identified in the firmware upload functionality of the Linux kernel. Specifically, when firmware is uploaded, an instance of struct fw upload is allocated but not properly freed, leading to a memory leak. This issue is resolved by introducing a new function, fw upload free(), to handle the freeing of fw upload structures.

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:2026-04499

CVE-2022-49949

SUSE-SU-2025:02264-1

SUSE-SU-2025:02321-1

SUSE-SU-2025:2264-1

SUSE-SU-2025_02264-1

Affected Products

Astra Linux

Linux Kernel

Suse

References · 579

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49949.json · Exploit
• https://security-tracker.debian.org/tracker/CVE-2022-49949 · Vendor Advisory
• https://git.kernel.org/stable/c/baf92485d111be828e1ab84a995515b604b938e5 · Patch
• https://osv.dev/vulnerability/CVE-2022-49949 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-49949 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:02264-1 · Vendor Advisory
• https://git.kernel.org/stable/c/789bba82f63c3e81dce426ba457fc7905b30ac6e · Patch
• https://cve.org/CVERecord?id=CVE-2022-49949 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-49949 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-49949 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:02321-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-49949 · Security Note
• https://bdu.fstec.ru/vul/2026-04499 · Security Note
• https://suse.com/security/cve/CVE-2022-50111 · Note
• https://bugzilla.suse.com/1244968 · Note