#VU108299 NULL pointer dereference in Linux kernel - CVE-2025-23145
Published: May 2, 2025 / Updated: May 10, 2025
Vulnerability identifier: #VU108299
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-23145
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the subflow_hmac_valid() and subflow_syn_recv_sock() functions in net/mptcp/subflow.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/443041deb5ef6a1289a99ed95015ec7442f141dc
- https://git.kernel.org/stable/c/4b2649b9717678aeb097893cc49f59311a1ecab0
- https://git.kernel.org/stable/c/7f9ae060ed64aef8f174c5f1ea513825b1be9af1
- https://git.kernel.org/stable/c/855bf0aacd51fced11ea9aa0d5101ee0febaeadb
- https://git.kernel.org/stable/c/8cf7fef1bb2ffea7792bcbf71ca00216cecc725d
- https://git.kernel.org/stable/c/b3088bd2a6790c8efff139d86d7a9d0b1305977b
- https://git.kernel.org/stable/c/dc81e41a307df523072186b241fa8244fecd7803
- https://git.kernel.org/stable/c/efd58a8dd9e7a709a90ee486a4247c923d27296f
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13.12