SB2025081870 - Input validation error in Linux kernel ipv6
Published: August 18, 2025
Security Bulletin ID
SB2025081870
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) Input validation error (CVE-ID: CVE-2025-38550)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the mld_del_delrec() function in net/ipv6/mcast.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/5f18e0130194550dff734e155029ae734378b5ea
- https://git.kernel.org/stable/c/728db00a14cacb37f36e9382ab5fad55caf890cc
- https://git.kernel.org/stable/c/7929d27c747eafe8fca3eecd74a334503ee4c839
- https://git.kernel.org/stable/c/ae3264a25a4635531264728859dbe9c659fad554
- https://git.kernel.org/stable/c/dcbc346f50a009d8b7f4e330f9f2e22d6442fa26