{"action":"Upgrade linux to 6.12.86-1 or later.","affected":[{"fixed":"6.12.86-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["6.12.86-1"],"id":"tcs_01M5NRN04Q08BVPZ7DX89GE24A","modified_at":"2026-10-23T18:05:36.791621604Z","published_at":"2026-05-01T14:16:20.950Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-31709","https://security-tracker.debian.org/tracker/CVE-2026-31709"],"severity":{"label":"high","score":8.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-31709#Debian:13/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-31709"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: smb: client: validate the whole DACL before rewriting it in cifsacl build_sec_desc() and id_mode_to_cifs_acl() derive a DACL pointer"}