{"action":"Upgrade linux to 6.1.187-1 or later.","affected":[{"fixed":"6.1.187-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["6.1.187-1"],"id":"tcs_01M5NV9B0HCZ9TPEDWPZ8EEW7Z","modified_at":"2026-10-23T18:05:13.120790030Z","published_at":"2026-08-22T16:16:32.040Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-74597","https://security-tracker.debian.org/tracker/CVE-2026-74597"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-74597","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-74597"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: ip6_tunnel: clear skb2->cb[] in ip6ip6_err() ip6ip6_err() clones an outer IPv6 ICMP error skb, pulls it to the quoted inner IPv6 pac"}