SB20241230216 - Double free in Linux kernel smc
Published: December 30, 2024 Updated: May 11, 2025
Security Bulletin ID
SB20241230216
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) Double free (CVE-ID: CVE-2024-56718)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a double free error within the smcr_link_down_cond_sched() and smc_link_down_work() functions in net/smc/smc_core.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/2627c3e8646932dfc7b9722c88c2e1ffcf7a9fb2
- https://git.kernel.org/stable/c/2b33eb8f1b3e8c2f87cfdbc8cc117f6bdfabc6ec
- https://git.kernel.org/stable/c/841b1824750d3b8d1dc0a96b14db4418b952abbc
- https://git.kernel.org/stable/c/bec2f52866d511e94c1c37cd962e4382b1b1a299
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.122