{"action":"Upgrade linux to 6.12.111-1 or later.","affected":[{"fixed":"6.12.111-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["6.12.111-1"],"id":"tcs_01M5NVSJZBFJTRTBY5BG3YXSRB","modified_at":"2026-10-23T18:05:45.720636531Z","published_at":"2026-09-04T16:18:12.310Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-80839","https://security-tracker.debian.org/tracker/CVE-2026-80839"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-80839","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-80839"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: batman-adv: reject unrepresentable multicast TVLV offsets The network and transport header fields in struct sk_buff are 16-bit offse"}