Improper control of a resource through its lifetime in Linux kernel - CVE-2026-97472

 

Improper control of a resource through its lifetime in Linux kernel - CVE-2026-97472

Published: September 24, 2026


Vulnerability identifier: #VU152011
CSH Severity: Low
CVSS v4: 6.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-97472
CWE-ID: CWE-664
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to prevent generation of temporary IPv6 privacy addresses for an IPv6 prefix.

The vulnerability exists due to improper state management in the IPv6 addrconf temporary address management logic when handling router advertisements that deprecate and later restore an IPv6 prefix. A remote attacker can send router advertisements that temporarily deprecate and later restore a prefix to prevent temporary address regeneration.


Affected software

Linux kernel

How to mitigate CVE-2026-97472

Install security update from vendor's repository.

Linux kernel - update to 7.0 rc3

External References

Related Security Bulletins