CVE-2026-74398

A flaw was found in the Linux kernel's IPv6 address configuration addrconf component. A race condition can occur during the Duplicate Address Detection DAD failure handling. When addrconfdadfailure temporarily releases a lock, a concurrent ipv6deladdr operation can modify the network interface...

BELL-CVE-2026-74398

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Linux Distros Unpatched Vulnerability : CVE-2026-74398

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ipv6: addrconf: bail out of dadfailure when state is no longer POSTDAD addrconfdadfailure transitions ifp-state from DAD to POSTDAD via addrconfdadend, which...

CVE-2026-74398

creationtimestamp| type| source ---|---|--- 2026-08-17 15:10:05+00:00| seen| https://bsky.app/profile/stackflag.bsky.social/post/3mtbycedtwk2f 2026-10-01 18:00:00+00:00| seen| https://www.hkcert.org/security-bulletin/ubuntu-linux-kernel-multiple-vulnerabilities20261002...

DEBIAN-CVE-2026-74398

In the Linux kernel, the following vulnerability has been resolved: ipv6: addrconf: bail out of dadfailure when state is no longer POSTDAD addrconfdadfailure transitions ifp-state from DAD to POSTDAD via addrconfdadend, which drops ifp-lock on return. The lock is re-acquired after...