{"id":"CVE-2022-0171","title":"A flaw was found in the Linux kernel","summary":"A flaw was found in the Linux kernel. The existing KVM SEV API has a vulnerability that allows a non-root (host) user-level application to crash the host kernel by creating a confidential guest VM instance in AMD CPU that supports Secure…","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-459","CWE-212"],"vendor":"linux","product":"linux_kernel","affected":["linux_kernel < 5.18","linux_kernel = 5.18","enterprise_linux = 8.0","enterprise_linux = 9.0","debian_linux = 10.0","debian_linux = 11.0"],"patched":["linux_kernel 5.18"],"published":"2022-08-26","updated":"2026-10-14","sourceUpdated":"2026-10-14T13:17:13.793","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2022-0171","references":[{"url":"https://access.redhat.com/security/cve/CVE-2022-0171","label":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2038940","label":"secalert@redhat.com"},{"url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=683412ccf61294d727ead4a73d97397396e69a6b","label":"secalert@redhat.com"},{"url":"https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html","label":"secalert@redhat.com"},{"url":"https://www.debian.org/security/2022/dsa-5257","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/security/cve/CVE-2022-0171","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2038940","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=683412ccf61294d727ead4a73d97397396e69a6b","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.debian.org/security/2022/dsa-5257","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-794697.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"tags":["nvd"],"epss":0.00297,"epssPercentile":0.2074,"ingestedAt":"2026-10-14T13:30:58.417Z","slug":"CVE-2022-0171","body":"## Overview\n\nA flaw was found in the Linux kernel. The existing KVM SEV API has a vulnerability that allows a non-root (host) user-level application to crash the host kernel by creating a confidential guest VM instance in AMD CPU that supports Secure Encrypted Virtualization (SEV).\n\n## Affected\n\n- `linux_kernel < 5.18`\n- `linux_kernel = 5.18`\n- `enterprise_linux = 8.0`\n- `enterprise_linux = 9.0`\n- `debian_linux = 10.0`\n- `debian_linux = 11.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 5.18`","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}