SB2024123050 - Use-after-free in Linux kernel core
Published: December 30, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024123050
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-2024-56635)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the default_operstate() function in net/core/link_watch.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/316183d58319f191e16503bc2dffa156c4442df2
- https://git.kernel.org/stable/c/3265aab0736f78bb218200b06b1abb525c316269
- https://git.kernel.org/stable/c/750e51603395e755537da08f745864c93e3ce741
- 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