Reference page — cumulative record through Monday, October 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2022-0171

CVE-2022-0171MEDIUM

n/a kernel — A flaw was found in the Linux kernel.

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   L   L   L   N  U  N  N  H    5.5   .0030   21.1     —

AFFECTED
  Product  Versions                    Fixed
  kernel   Fixed in kernel 5.18-rc4 –  —

TIMELINE
  Jan 10  Reserved by redhat
  Aug 26  Published (CNA: redhat)
  Oct 14  ENRICHED — CVE-2022-0171 (kernel). Received CVSS 5.5 and CPE data from NVD.

CWE-212, CWE-459 · CNA: redhat · CVSS v3.1 · 6 references · NVD status: Modified

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).

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
January 10, 2022	Reserved	Reserved by redhat
August 26, 2022	Published	Published (CNA: redhat)
October 14, 2026	ENRICHED	ENRICHED — CVE-2022-0171 (kernel). Received CVSS 5.5 and CPE data from NVD.

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
n/a	kernel	—	Fixed in kernel 5.18-rc4	—

Weaknesses

CWE-212 · CWE-459

References (6)

https://access.redhat.com/security/cve/CVE-2022-0171 [Third Party Advisory]
https://bugzilla.redhat.com/show_bug.cgi?id=2038940 [Issue Tracking, Patch, Third Party Advisory]
https://cert-portal.siemens.com/productcert/html/ssa-794697.html
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=683412ccf61294d727ead4a73d97397396e69a6b [Mailing List, Patch, Vendor Advisory]
https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html [Mailing List, Third Party Advisory]
https://www.debian.org/security/2022/dsa-5257 [Third Party Advisory]

Authoritative record: CVE-2022-0171 at cve.org

Weaknesses: CWE-212 · CWE-459

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2022-0171 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Monday, October 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.