PT-2025-8271 · Linux+2 · Linux Kernel+2

Junxiao Bi · Published 2022-05-25 · Updated 2025-04-16 · CVE-2022-49337

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 identified, specifically in the ocfs2 file system. The issue arises from the user dlm destroy lock function not properly cleaning up flags when it fails, leading to potential user-after-free errors. This can cause a panic when the bast function is called. The vulnerability is related to the USER LOCK IN TEARDOWN and USER LOCK BUSY flags.

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

Exploit

Use After Free

Improper Locking

Weakness Enumeration

CWE-416

CWE-667

Related Identifiers

BDU:2026-02607

CVE-2022-49337

OESA-2025-1370

SUSE-SU-2025:1027-1

SUSE-SU-2025:1176-1

SUSE-SU-2025:1183-1

SUSE-SU-2025:1241-1

SUSE-SU-2025:1293-1

SUSE-SU-2025_1027-1

SUSE-SU-2025_1241-1

SUSE-SU-2025_1293-1

Affected Products

Astra Linux

Linux Kernel

Suse

References · 1518

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49337.json · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2022-49337 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-21785 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-49416 · Security Note
• https://git.kernel.org/stable/c/1434cd71ad9f3a6beda3036972983b6c4869207c · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2022-49482 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-21722 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-47633 · Security Note
• https://osv.dev/vulnerability/CVE-2022-49337 · Vendor Advisory
• https://git.kernel.org/stable/c/82bf8e7271fade40184177cb406203addc34c4a0 · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:1027-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-49457 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2025:1293-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-49619 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-49337 · Vendor Advisory