SB2025010928 - NULL pointer dereference in Linux kernel btrfs
Published: January 9, 2025 Updated: May 11, 2025
Security Bulletin ID
SB2025010928
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-2024-56774)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the btrfs_search_slot() function in fs/btrfs/ctree.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/3ed51857a50f530ac7a1482e069dfbd1298558d4
- https://git.kernel.org/stable/c/757171d1369b3b47f36932d40a05a0715496dcab
- https://git.kernel.org/stable/c/93992c3d9629b02dccf6849238559d5c24f2dece
- https://git.kernel.org/stable/c/c71d114ef68c95da5a82ec85a721ab31f5bd905b
- https://git.kernel.org/stable/c/db66fb87c21e8ae724886e6a464dcbac562a64c6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.120