{"action":"Upgrade linux to 5.10.28-1 or later.","affected":[{"fixed":"5.10.28-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["5.10.28-1"],"id":"tcs_01M5NFJH9ZDZG2WF5W90FG87RD","modified_at":"2026-10-23T18:03:57.738480802Z","published_at":"2021-07-22T17:15:09.470Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-29657","https://security-tracker.debian.org/tracker/CVE-2021-29657"],"severity":{"label":"high","score":7.4},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-29657#Debian:14/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-29657"}],"summary":"arch/x86/kvm/svm/nested.c in the Linux kernel before 5.11.12 has a use-after-free in which an AMD KVM guest can bypass access control on host OS MSRs when there are nested guests, aka CID-a58d9166a756"}