{"action":"Upgrade linux-6.12 to 6.12.100-1~deb12u1 or later.","affected":[{"fixed":"6.12.100-1~deb12u1","introduced":"0"}],"component":"linux-6.12","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["6.12.100-1~deb12u1"],"id":"tcs_01M5NTJD4XGDDPTVVWHAYE1JF9","modified_at":"2026-10-23T18:05:03.280130402Z","published_at":"2026-07-29T17:16:53.410Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-64558","https://security-tracker.debian.org/tracker/CVE-2026-64558"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-64558#Debian:12/linux-6.12","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-64558"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: s390/pkey: Check length in pkey_pckmo handler implementation Explicitly check the length of the target buffer in the pkey_pckmo impl"}