SB2025111324 - NULL pointer dereference in Linux kernel sctp
Published: November 13, 2025
Security Bulletin ID
SB2025111324
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) NULL pointer dereference (CVE-ID: CVE-2025-40187)
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 website.
References
- 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