SB2025011788 - NULL pointer dereference in Linux kernel md bcache driver
Published: January 17, 2025 Updated: May 11, 2025
Security Bulletin ID
SB2025011788
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-2024-48881)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the cache_set_flush() function in drivers/md/bcache/super.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/336e30f32ae7c043fde0f6fa21586ff30bea9fe2
- https://git.kernel.org/stable/c/4379c5828492a4c2a651c8f826a01453bd2b80b0
- https://git.kernel.org/stable/c/5202391970ffbf81975251b3526b890ba027b715
- https://git.kernel.org/stable/c/5e0e913624bcd24f3de414475018d3023f060ee1
- https://git.kernel.org/stable/c/b2e382ae12a63560fca35050498e19e760adf8c0
- https://git.kernel.org/stable/c/cc05aa2c0117e20fa25a3c0d915f98b8f2e78667
- https://git.kernel.org/stable/c/fb5fee35bdd18316a84b5f30881a24e1415e1464
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.174