SB20241230135 - NULL pointer dereference in Linux kernel base driver
Published: December 30, 2024 Updated: May 11, 2025
Security Bulletin ID
SB20241230135
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-2024-56617)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the last_level_cache_is_valid(), populate_cache_leaves() and init_level_allocate_ci() functions in drivers/base/cacheinfo.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/23b5908b11b77ff8d7b8f7b8f11cbab2e1f4bfc2
- https://git.kernel.org/stable/c/95e197354e0de07e9a20819bdae6562e4dda0f20
- https://git.kernel.org/stable/c/b3fce429a1e030b50c1c91351d69b8667eef627b
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.66