{"action":"Upgrade linux to 5.15.3-1 or later.","affected":[{"fixed":"5.15.3-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["5.15.3-1"],"id":"tcs_01M5NG7EAW1D0YS02C70NTZEC0","modified_at":"2026-10-23T18:04:51.328164344Z","published_at":"2024-05-22T07:15:10.143Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-47450","https://security-tracker.debian.org/tracker/CVE-2021-47450"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-47450#Debian:13/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-47450"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Fix host stage-2 PGD refcount The KVM page-table library refcounts the pages of concatenated stage-2 PGDs individually."}