PT-2025-41054 · Linux+3 · Linux Kernel+3

Published 2023-05-09 · Updated 2026-02-04 · CVE-2022-50549

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 The Linux kernel contained a deadlock situation between the shrink slab and dm pool abort metadata processes. This occurred due to concurrent processes involving dropping caches and handling device mapper thin pools. Specifically, a deadlock could occur when attempting to acquire locks in a specific order, leading to a hung task. The issue involves the dm submit bio, dm pool abort metadata, and ext4 read block bitmap nowait functions, among others.

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

Exploit

Improper Locking

Weakness Enumeration

CWE-667

Related Identifiers

ALSA-2025_16880

CESA-2023_2951

CVE-2022-50549

RHSA-2023:2458

RHSA-2023:2951

RHSA-2023_2458

RHSA-2023_2951

SUSE-SU-2025:4111-1

SUSE-SU-2025:4135-1

SUSE-SU-2025:4139-1

SUSE-SU-2025:4149-1

SUSE-SU-2025:4188-1

SUSE-SU-2025:4189-1

SUSE-SU-2025:4320-1

Affected Products

Centos

Linux Kernel

Red Hat

Suse

References · 625

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50549.json · Exploit
• https://osv.dev/vulnerability/SUSE-SU-2025:4135-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:4149-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2022-50549 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-50549 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:4111-1 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2022-50549 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2025:4139-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-50549 · Vendor Advisory
• https://git.kernel.org/stable/c/2d891cc5a1706b6908bceb56af7176a463ee6d62 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2022-50549 · Security Note
• https://git.kernel.org/stable/c/f8c26c33fef588ee54852cffa7cbb9f9d9869405 · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:4188-1 · Vendor Advisory
• https://git.kernel.org/stable/c/7e37578069737b04955c71dd85db8a3bc2709eff · Patch
• https://security-tracker.debian.org/tracker/CVE-2022-50549 · Vendor Advisory