SB2024102907 - Use-after-free in Linux kernel mptcp
Published: October 29, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024102907
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-2024-50085)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the mptcp_pm_nl_rm_addr_or_subflow() function in net/mptcp/pm_netlink.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/35301636439138b821f1f6169bd00d348ebd388a
- https://git.kernel.org/stable/c/da3343bc0839b180fd9af9c27fa456d8231409f9
- https://git.kernel.org/stable/c/7b2e478abab0b3a33515433a6af563aebba773c1
- https://git.kernel.org/stable/c/a8c36ea4ef9a350816f6556c5c5b63810f84b538
- https://git.kernel.org/stable/c/7decd1f5904a489d3ccdcf131972f94645681689
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.169
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.114
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.58