SB20240531169 - Use-after-free in Linux kernel mctp
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240531169
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-2023-52483)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the mctp_route_lookup() function in net/mctp/route.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/6c52b12159049046483fdb0c411a0a1869c41a67
- https://git.kernel.org/stable/c/1db0724a01b558feb1ecae551782add1951a114a
- https://git.kernel.org/stable/c/2405f64a95a7a094eb24cba9bcfaffd1ea264de4
- https://git.kernel.org/stable/c/5093bbfc10ab6636b32728e35813cbd79feb063c
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.137
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.59
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6