Vulnerability of the ipv6_srh_rcv() and seg6_hmac_validate_skb() functions in the Linux operating system, allowing a hacker to cause a service failure

The vulnerability of the ipv6srhrcv and seg6hmacvalidateskb functions in the Linux operating system is related to the use of pointers. Exploiting this vulnerability could allow an attacker to cause a service failure...

CVE-2026-23442: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: ipv6: add NULL checks for idev in SRv6 paths in6devget can return NULL when the device has no IPv6 configuration e.g. MTU IPV6MINMTU or after NETDEVUNREGISTER. Add NULL checks for idev returned by in6devget in both...