CVE-2025-21629 | Linux Kernel up to 6.1.123/6.6.69/6.12.8 on BIG IPv6 Extension Header skbuff.h ipv6_has_hopopt_jumbo Privilege Escalation

CVE-2025-21629 | Linux Kernel up to 6.1.123/6.6.69/6.12.8 on BIG IPv6 Extension Header skbuff.h ipv6_has_hopopt_jumbo Privilege Escalation

A vulnerability was found in Linux Kernel up to 6.1.123/6.6.69/6.12.8 on BIG. It has been declared as problematic. Affected by this vulnerability is the function ipv6_has_hopopt_jumbo in the library skbuff.h of the component IPv6 Extension Header Handler. The manipulation leads to Privilege Escalation. This vulnerability is known as CVE-2025-21629. The attack needs to be approached within the local network. There is no exploit available. It is recommended to upgrade the affected component.