{"action":"Upgrade linux to 6.16.9-1 or later.","affected":[{"fixed":"6.16.9-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["6.16.9-1"],"id":"tcs_01M5NNQQ9B54KK9Q2EX2MYG079","modified_at":"2026-10-23T18:04:35.280346720Z","published_at":"2025-10-13T14:15:34.737Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-39964","https://security-tracker.debian.org/tracker/CVE-2025-39964"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-39964#Debian:14/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-39964"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: crypto: af_alg - Disallow concurrent writes in af_alg_sendmsg Issuing two writes to the same af_alg socket is bogus as the data will"}