SB2024093036 - Use-after-free in Linux kernel mptcp
Published: September 30, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024093036
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-2024-46858)
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_del_add_timer() and remove_anno_list_by_saddr() functions 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/67409b358500c71632116356a0b065f112d7b707
- https://git.kernel.org/stable/c/6452b162549c7f9ef54655d3fb9977b9192e6e5b
- https://git.kernel.org/stable/c/12134a652b0a10064844ea235173e70246eba6dc
- https://git.kernel.org/stable/c/b4cd80b0338945a94972ac3ed54f8338d2da2076
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.227
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.168
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.111
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.52