{"action":"Upgrade linux to 5.17.3-1 or later.","affected":[{"fixed":"5.17.3-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["5.17.3-1"],"id":"tcs_01M5NG8YFSF0FTWHSTSF7RTZWW","modified_at":"2026-10-23T18:04:02.001716990Z","published_at":"2025-02-26T06:37:05.677Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-47639","https://security-tracker.debian.org/tracker/CVE-2021-47639"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-47639#Debian:14/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-47639"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Zap _all_ roots when unmapping gfn range in TDP MMU Zap both valid and invalid roots when zapping/unmapping a gfn rang"}