{"action":"Upgrade qemu to 1:6.2+dfsg-2 or later.","affected":[{"fixed":"1:6.2+dfsg-2","introduced":"0"}],"component":"qemu","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["1:6.2+dfsg-2"],"id":"tcs_01M5NG09C064F778KF6K690Y22","modified_at":"2026-10-23T18:04:15.839986986Z","published_at":"2022-08-24T16:15:09.660Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-4158","https://security-tracker.debian.org/tracker/CVE-2021-4158"],"severity":{"label":"medium","score":6},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-4158#Debian:14/qemu","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-4158"}],"summary":"A NULL pointer dereference issue was found in the ACPI code of QEMU. A malicious, privileged user within the guest could use this flaw to crash the QEMU process on the host, resulting in a denial of s"}