SB20250227137 - Use of uninitialized resource in Linux kernel mptcp
Published: February 27, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250227137
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) Use of uninitialized resource (CVE-ID: CVE-2025-21707)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to use of uninitialized resource within the mptcp_parse_option() and mptcp_get_options() functions in net/mptcp/options.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/3b5332d416d151a15742d1b16e7319368e3cc5c6
- https://git.kernel.org/stable/c/6169e942370b4b6f9442d35c51519bf6c346843b
- https://git.kernel.org/stable/c/7f6c72b8ef8130760710e337dc8fbe7263954884
- https://git.kernel.org/stable/c/ba0518f9e8688cd4fcb569e8df2a74874b4f3894
- https://git.kernel.org/stable/c/c86b000782daba926c627d2fa00c3f60a75e7472
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.179
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.129
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.14
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.76