CVE-2026-80976: Linux 4.14

Affected technology

Linux · d7a669dd2f8ba07a17423f4ad586dfc0379882f7 to before d1f0d353358987ca87f21d8956e2d2854951130d, d7a669dd2f8ba07a17423f4ad586dfc0379882f7 to before a0e2b0a3718f0cf9fb0ee41710b4a6348a7315c8, d7a669dd2f8ba07a17423f4ad586dfc0379882f7 to before 9ae92198c24d7dacd4070e2f34f6e1ed3a63061c, d7a669dd2f8ba07a17423f4ad586dfc0379882f7 to before 96c74420ac92930a7e0f21770818544eee4a93d7, d7a669dd2f8ba07a17423f4ad586dfc0379882f7 to before 2b154e96fcb3f01fd42765c64e0a56820fbc16eb, d7a669dd2f8ba07a17423f4ad586dfc0379882f7 to before cfa186a0857a0f831dfca67b16bbc40ecfdf3280, d7a669dd2f8ba07a17423f4ad586dfc0379882f7 to before c73fb911e02b9a766c950bc9707f3e3a96ffd702, d7a669dd2f8ba07a17423f4ad586dfc0379882f7 to before f967455fb2a5a2079b9eb5823e9ccf359174bf9f
Linux

Linux · 4.14
Linux

Component: Not specified by the source
File: net/ipv6/seg6_local.c

Attack conditions (Source advisory, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

What an attacker can do

An unprivileged user can reach End.DT6 from a user and net namespace by installing a local SID and injecting an outer packet with Hop-by-Hop and Destination Options headers followed by an SRH and a minimal inner IPv6 packet. Source advisory’s CVSS 3.1 assessment (base score 9.8/10) rates confidentiality, integrity and availability impact as high.