{"action":"Upgrade linux to 6.12.115-2 or later.","affected":[{"fixed":"6.12.115-2","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["6.12.115-2"],"id":"tcs_01M5NWCC3KR9Y2EFHZ9ND4QT3F","modified_at":"2026-11-02T18:01:06.597913271Z","published_at":"2026-09-16T11:17:01.073Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-89920","https://security-tracker.debian.org/tracker/CVE-2026-89920"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-89920#Debian:13/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-89920"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: KVM: s390: Fix memory corruption by not reinjecting CK machine checks Channel-subsystem damage machine checks are for the host chann"}