{"action":"Upgrade linux to 6.12.85-1 or later.","affected":[{"fixed":"6.12.85-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["6.12.85-1"],"id":"tcs_01M5NRMED4893W9E109FS4Z78Q","modified_at":"2026-10-23T18:00:34.075251775Z","published_at":"2026-04-24T15:16:44.330Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-31649","https://security-tracker.debian.org/tracker/CVE-2026-31649"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-31649#Debian:13/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-31649"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: net: stmmac: fix integer underflow in chain mode The jumbo_frm() chain-mode implementation unconditionally computes len = nopaged_le"}