PT-2025-18646 · Linux+2 · Linux Kernel+2

Published 2022-10-25 · Updated 2025-06-30 · CVE-2022-49929

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 vulnerability in the Linux kernel has been resolved, specifically in the RDMA/rxe module. The issue was related to a memory leak in the rxe recheck mr() function, which increased the ref cnt of mr without properly dropping it in RESPST ERR RNR, leading to a warning. The warning was triggered by the rxe cleanup() function and resulted in a call trace involving several kernel modules, including rdma rxe, ib core, and nvme rdma.

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

Exploit

Information Disclosure

Memory Leak

Weakness Enumeration

CWE-200

CWE-401

Related Identifiers

BDU:2026-03879

CVE-2022-49929

SUSE-SU-2025:01966-1

SUSE-SU-2025:02173-1

SUSE-SU-2025:2173-1

SUSE-SU-2025_02173-1

Affected Products

Astra Linux

Linux Kernel

Suse

References · 425

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49929.json · Exploit
• https://git.kernel.org/stable/c/50b35ad2864a9d66f802f9ce193d99bbef64e219 · Patch
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-49929 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-03879 · Security Note
• https://osv.dev/vulnerability/CVE-2022-49929 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:02173-1 · Vendor Advisory
• https://git.kernel.org/stable/c/b5f9a01fae42684648c2ee3cd9985f80c67ab9f7 · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:01966-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-49929 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-49929 · Security Note
• https://ubuntu.com/security/CVE-2022-49929 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2022-49929 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2022-49929 · Security Note
• https://bugzilla.suse.com/1242550 · Note
• https://bugzilla.suse.com/1208542 · Note