CVE-2022-0171

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).

CVSS 3.1

5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS

0.3% chance of exploitation in the next 30 days; higher than 22% of CVEs (scores of 2026-10-25)

CWEs

CWE-212, CWE-459

Published

2022-08-26

Modified

2026-10-14

Record from

the NVD, synced 2026-10-19

Affected

• debian:debian_linux
• linux:linux_kernel
• redhat:enterprise_linux

References

• https://access.redhat.com/security/cve/CVE-2022-0171
• 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://lists.debian.org/debian-lts-announce/2022/11/msg00001.html
• https://www.debian.org/security/2022/dsa-5257

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