{"id":"CVE-2022-0171","aliases":[],"cve":{"records":[{"id":"CVE-2022-0171","source":"redhat","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2022-01-10T00:00:00.000Z","published":"2022-08-26T00:00:00.000Z","modified":"2026-11-02T18:21:12.058Z"}],"publishers":[{"name":"redhat","role":"CNA","organizationId":"53f830b8-0a3f-465b-8143-3b8a9948e749","modified":"2022-11-01T00:00:00.000Z"},{"name":"CVE","role":"ADP","organizationId":"af854a3a-2127-422b-91ae-364da2661108","modified":"2024-08-02T23:18:41.799Z"},{"name":"siemens-SADP","role":"ADP","organizationId":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e","modified":"2026-10-14T12:12:29.379Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-11-02T18:21:12.058Z"}],"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2038940","tags":[],"source":"redhat"},{"url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=683412ccf61294d727ead4a73d97397396e69a6b","tags":[],"source":"redhat"},{"url":"https://access.redhat.com/security/cve/CVE-2022-0171","tags":[],"source":"redhat"},{"url":"https://www.debian.org/security/2022/dsa-5257","tags":["vendor-advisory"],"source":"redhat"},{"url":"https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html","tags":["mailing-list"],"source":"redhat"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2038940","tags":["x_transferred"],"source":"CVE"},{"url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=683412ccf61294d727ead4a73d97397396e69a6b","tags":["x_transferred"],"source":"CVE"},{"url":"https://access.redhat.com/security/cve/CVE-2022-0171","tags":["x_transferred"],"source":"CVE"},{"url":"https://www.debian.org/security/2022/dsa-5257","tags":["vendor-advisory","x_transferred"],"source":"CVE"},{"url":"https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html","tags":["mailing-list","x_transferred"],"source":"CVE"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-794697.html","tags":[],"source":"siemens-SADP"}],"weaknesses":[{"id":"CWE-459","description":"CWE-459 - Incomplete Cleanup.","source":"redhat"}],"applicability":[],"prioritization":[{"source":"CISA-ADP","type":"SSVC","role":"CISA Coordinator","timestamp":"2026-10-08T20:54:35.679839Z","decisions":[{"name":"Exploitation","value":"none"},{"name":"Automatable","value":"no"},{"name":"Technical Impact","value":"partial"}]}]},"title":"A flaw was found in the Linux kernel.","titleSource":"redhat","descriptionSource":"redhat","description":"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 Encrypted Virtualization (SEV).","score":null,"severity":"unknown","published":"2022-08-26T00:00:00.000Z","modified":"2026-11-02T18:21:12.058Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"n/a","name":"kernel","platforms":[],"versions":[{"version":"Fixed in kernel 5.18-rc4","status":"affected"}],"cpes":[],"source":"redhat","url":"https://www.cve.org/CVERecord?id=CVE-2022-0171"},{"vendor":"Siemens","name":"SIMATIC S7-1500 TM MFP - GNU/Linux subsystem","platforms":[],"versions":[{"version":"0","status":"affected","lessThan":"V1.1","versionType":"custom"}],"defaultStatus":"unknown","cpes":[],"source":"siemens-SADP","url":"https://www.cve.org/CVERecord?id=CVE-2022-0171"}],"remediation":[],"references":["https://bugzilla.redhat.com/show_bug.cgi?id=2038940","https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=683412ccf61294d727ead4a73d97397396e69a6b","https://access.redhat.com/security/cve/CVE-2022-0171","https://www.debian.org/security/2022/dsa-5257","https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html","https://cert-portal.siemens.com/productcert/html/ssa-794697.html"],"sources":[{"name":"CVE","id":"CVE-2022-0171","modified":"2026-11-02T18:21:12.058Z","url":"https://www.cve.org/CVERecord?id=CVE-2022-0171"}],"assessments":[],"sourceAffected":[],"observedAt":"2026-11-02T18:44:06.696Z","kev":{"status":"not-listed","checkedAt":"2026-11-14T23:50:31.991Z"},"coverage":[{"source":"NVD","status":"available","checkedAt":"2026-11-03T05:35:34.753Z","attemptedAt":"2026-11-03T05:35:34.753Z"},{"source":"GHSA","status":"available","checkedAt":"2026-11-03T05:35:35.054Z","attemptedAt":"2026-11-03T05:35:35.054Z"},{"source":"EUVD","status":"refresh-failed","attemptedAt":"2026-11-03T05:35:34.198Z"},{"source":"EPSS","status":"available","checkedAt":"2026-11-03T05:35:34.425Z","attemptedAt":"2026-11-03T05:35:34.425Z"}],"evidence":[{"source":"FIRST EPSS","id":"CVE-2022-0171","url":"https://www.first.org/epss/","probability":0.00299,"percentile":0.22585,"date":"2026-11-02","checkedAt":"2026-11-03T05:35:34.425Z"},{"source":"NVD","id":"CVE-2022-0171","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-0171","modified":"2026-11-02T19:17:47.150","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","checkedAt":"2026-11-03T05:35:34.753Z"},{"source":"GitHub Advisory Database","id":"GHSA-963w-7frp-mf37","url":"https://github.com/advisories/GHSA-963w-7frp-mf37","modified":"2026-10-14T15:32:17Z","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","checkedAt":"2026-11-03T05:35:35.054Z"}],"aiSummary":{"text":"A flaw in the Linux kernel's KVM SEV API allows a non-root user to crash the host kernel by creating a confidential guest VM instance on AMD CPUs with Secure Encrypted Virtualization support. The vulnerability is reported to affect kernel versions prior to 5.18-rc4. A host user can exploit this weakness.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-11-02T18:51:08.079Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2022-0171"}]}}