The vulnerability of the ipv6_hop_ioam() function in the net/ipv6/exthdrs.c module of the Linux operating system’s IPv6 kernel implementation allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the ipv6hopioam function in the net/ipv6/exthdrs.c module of the Linux operating system’s IPv6 kernel implementation is related to the dereferencing of a pointer whose validity has expired. Exploiting this vulnerability could allow an attacker to compromise the confidentialit...

CVE-2026-64116: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ipv6: ioam: add NULL check for idev in ipv6hopioam Reported by Sashiko: The function ipv6hopioam accesses in6devgetskb-dev-cnf.ioam6enabled without validating the returned idev pointer. Because addrconfifdown can concurrently cle...