{"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_01M5NS3VFM92AP0NDCSAADWD2Q","modified_at":"2026-10-23T18:05:37.194557011Z","published_at":"2026-05-06T12:16:45.493Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-43249","https://security-tracker.debian.org/tracker/CVE-2026-43249"],"severity":{"label":"high","score":8.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-43249#Debian:13/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-43249"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: 9p/xen: protect xen_9pfs_front_free against concurrent calls The xenwatch thread can race with other back-end change notifications a"}