PT-2025-18524 · Linux+2 · Linux Kernel+2

Published 2022-11-14 · Updated 2025-07-10 · CVE-2022-49807

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 Linux kernel, specifically in the nvmet auth set key function. This issue occurs when changing dhchap secrets, and it fails to release the old secrets. The kmemleak complaint provides a backtrace and hex dump of the unreferenced object, indicating a memory leak. The estimated number of potentially affected devices worldwide is not available. There is no information about real-world incidents where this issue was exploited.

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:2026-05944

CVE-2022-49807

SUSE-SU-2025:01918-1

SUSE-SU-2025:01966-1

SUSE-SU-2025:02173-1

SUSE-SU-2025:02262-1

SUSE-SU-2025:2173-1

SUSE-SU-2025_02173-1

SUSE-SU-2025_02262-1

Affected Products

Astra Linux

Linux Kernel

Suse

References · 445

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49807.json · Exploit
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-49807 · Vendor Advisory
• https://git.kernel.org/stable/c/65710ea51d4a185592c7b14c9e33d0c4a364f074 · Patch
• https://bdu.fstec.ru/vul/2026-05944 · Security Note
• https://osv.dev/vulnerability/CVE-2022-49807 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-49807 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2022-49807 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:02173-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:01966-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:02262-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:01918-1 · Vendor Advisory
• https://git.kernel.org/stable/c/0a52566279b4ee65ecd2503d7b7342851f84755c · Patch
• https://cve.org/CVERecord?id=CVE-2022-49807 · Security Note
• https://ubuntu.com/security/CVE-2022-49807 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-49807 · Security Note