CVE-2024-40952 is a NULL pointer dereference vulnerability in the Linux kernel's OCFS2 file system, specifically within the ocfs2_journal_dirty() function. This flaw, introduced by a previous code change, can be triggered by uninitialized variables when simulating "no more credits," leading to a kernel crash. The vulnerability has a CVSSv3.1 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). There is no confidentiality or integrity impact. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage regarding this CVE. It is not listed in CISA's Known Exploited Vulnerabilities Catalog.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 6.6, < 6.6.36CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 6.7, < 6.9.7CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
6.10CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:6.10:rc1:*:*:*:*:*:* | ||
6.10CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:6.10:rc2:*:*:*:*:*:* | ||
6.10CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:6.10:rc3:*:*:*:*:*:* |
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.