SB2024071349 - NULL pointer dereference in Linux kernel ocfs2
Published: July 13, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024071349
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2024-40951)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the ocfs2_fill_super() function in fs/ocfs2/super.c, within the to_ocfs2_trigger(), ocfs2_db_frozen_trigger() and __ocfs2_journal_access() functions in fs/ocfs2/journal.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/67bcecd780609f471260a8c83fb0ae15f27734ce
- https://git.kernel.org/stable/c/eb63357ef229fae061ce7ce2839d558681c42f1a
- https://git.kernel.org/stable/c/685d03c3795378fca6a1b3d43581f7f1a3fc095f
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.36