{"action":"Upgrade linux to 6.1.176-1 or later.","affected":[{"fixed":"6.1.176-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["6.1.176-1"],"id":"tcs_01M5NSRDP9R927VYMEGN8Y2T9Q","modified_at":"2026-10-23T18:05:38.245018190Z","published_at":"2026-06-19T15:16:35.383Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-52909","https://security-tracker.debian.org/tracker/CVE-2026-52909"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-52909","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-52909"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: ip6_vti: set netns_immutable on the fallback device. john1988 and Noam Rathaus reported that vti6_init_net() does not set the netns_"}