{"action":"Upgrade linux to 6.12.100-1 or later.","affected":[{"fixed":"6.12.100-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["6.12.100-1"],"id":"tcs_01M5NTJCXMHZY0WZPP1K1GBPR6","modified_at":"2026-11-04T10:01:30.745838242Z","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","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"}