SB20240531116 - Use-after-free in Linux kernel ipv4
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240531116
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-2024-26865)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the tcp_twsk_purge() function in net/ipv4/tcp_minisocks.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/9905a157048f441f1412e7bd13372f4a971d75c6
- https://git.kernel.org/stable/c/f901ee07853ce97e9f1104c7c898fbbe447f0279
- https://git.kernel.org/stable/c/9ceac040506a05a30b104b2aa2e9146810704500
- https://git.kernel.org/stable/c/1e9fd5cf8d7f487332560f7bb312fc7d416817f3
- https://git.kernel.org/stable/c/2a750d6a5b365265dbda33330a6188547ddb5c24
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.83
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.23
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8.2