{"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_01M5NWA9ZPBBQR2BPSSRE48YV4","modified_at":"2026-10-23T17:47:21.505369840Z","published_at":"2026-09-11T20:20:04.863Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-89742","https://security-tracker.debian.org/tracker/CVE-2026-89742"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-89742#Debian:13/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-89742"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: rapidio: mport_cdev: fix use-after-free in dma_req_free() dma_req_free() acquires buf_mutex through req->map, drops the mapping refe"}