{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":[],"id":"tcs_01M5NVPDAXSPQE46T8H1HYNCA7","modified_at":"2026-10-31T10:01:50.262147931Z","published_at":"2026-08-26T15:17:09.990Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-80554","https://security-tracker.debian.org/tracker/CVE-2026-80554"],"severity":{"label":"critical","score":9.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-80554","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-80554"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: s390/vfio_ccw: Limit the number of channel program segments The processing of channel programs, and the CCWs within them, is done re"}