SB2024123058 - Use-after-free in Linux kernel core
Published: December 30, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024123058
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2024-56664)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the sock_map_lookup_sys() function in net/core/sock_map.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/b015f19fedd2e12283a8450dd0aefce49ec57015
- https://git.kernel.org/stable/c/bf2318e288f636a882eea39f7e1015623629f168
- https://git.kernel.org/stable/c/ed1fc5d76b81a4d681211333c026202cad4d5649
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.236
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.180
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.125
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.67