SB2024111013 - Use-after-free in Linux kernel net driver
Published: November 10, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024111013
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-2024-50261)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the macsec_free_netdev() function in drivers/net/macsec.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/872932cf75cf859804370a265dd58118129386fa
- https://git.kernel.org/stable/c/9f5ae743dbe9a2458540a7d35fff0f990df025cf
- https://git.kernel.org/stable/c/4614640f1d5c93c22272117dc256e9940ccac8e8
- https://git.kernel.org/stable/c/f1e54d11b210b53d418ff1476c6b58a2f434dfc0
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.116
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.60