CVE-2022-49337 is a vulnerability in the Linux kernel's OCFS2 Distributed Lock Manager (DLM) filesystem, specifically affecting the handling of user_dlm_destroy_lock. This flaw can lead to a use-after-free condition and subsequent kernel panic. The vulnerability has a CVSS score of 5.5 (Medium), indicating a local attack vector with low attack complexity, requiring low privileges, and resulting in high availability impact (system crash). It is categorized as CWE-667 (Improper Locking). Currently, there is no evidence of active exploitation, and no public exploit code (Metasploit, Nuclei, ExploitDB) or significant community discussion or media coverage has been observed for this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 4.9.318CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 4.10, < 4.14.283CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 4.15, < 4.19.247CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 4.20, < 5.4.198CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 5.5, < 5.10.121CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.