SB20240608140 - Race condition within a thread in Linux kernel mptcp
Published: June 8, 2024 Updated: May 13, 2025
Security Bulletin ID
SB20240608140
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Race condition within a thread (CVE-ID: CVE-2024-27404)
The vulnerability allows a local user to manipulate data.
The vulnerability exists due to a data race within the subflow_finish_connect(), __mptcp_subflow_connect() and subflow_ulp_clone() functions in net/mptcp/subflow.c, within the fill_remote_addresses_vec() and mptcp_pm_nl_rm_addr_or_subflow() functions in net/mptcp/pm_netlink.c. A local user can manipulate data.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/e64148635509bf13eea851986f5a0b150e5bd066
- https://git.kernel.org/stable/c/2dba5774e8ed326a78ad4339d921a4291281ea6e
- https://git.kernel.org/stable/c/987c3ed7297e5661bc7f448f06fc366e497ac9b2
- https://git.kernel.org/stable/c/967d3c27127e71a10ff5c083583a038606431b61
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.81
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.19
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8