#VU118484 NULL pointer dereference in Linux kernel - CVE-2025-40187
Published: November 13, 2025
Vulnerability identifier: #VU118484
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-2025-40187
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 sctp_sf_do_5_1D_ce() function in net/sctp/sm_statefuns.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/025419f4e216a3ae0d0cec622262e98e8078c447
- https://git.kernel.org/stable/c/1014b83778c8677f1d7a57c26dc728baa801ac62
- https://git.kernel.org/stable/c/2f3119686ef50319490ccaec81a575973da98815
- https://git.kernel.org/stable/c/7f702f85df0266ed7b5bab81ba50394c92f3c928
- https://git.kernel.org/stable/c/badbd79313e6591616c1b78e29a9b71efed7f035
- https://git.kernel.org/stable/c/c21f45cfa4a9526b34d76b397c9ef080668b6e73
- https://git.kernel.org/stable/c/d0e8f1445c19b1786759ba72a38267e1449bab7e
- https://git.kernel.org/stable/c/dbceedc0213e75bf3e9f9f9e2f66b10699d004fe