CVE-2022-0171
mediumA flaw was found in the Linux kernel.
Vendor / product: Linux — linux kernel
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
5.5
5.5 (CVSS v3.1)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Severity source: NVD CVSS v3.1 (nvd@nist.gov)
Timeline (UTC)
Published: 2022-08-26 18:15
Modified: 2026-11-02 19:17
NVD status: Modified
Last synced 6 hours ago
Verified against the source API 2026-11-02 19:37 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
linux / linux_kernel <5.18, 5.18
redhat / enterprise_linux 8.0, 9.0
debian / debian_linux 10.0, 11.0
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
Vendor advisory: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=683412ccf61294d727ead4a73d97397396e69a6b
Vendor advisory: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=683412ccf61294d727ead4a73d97397396e69a6b
Patch / mitigation: https://bugzilla.redhat.com/show_bug.cgi?id=2038940
Patch / mitigation: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=683412ccf61294d727ead4a73d97397396e69a6b
Patch / mitigation: https://bugzilla.redhat.com/show_bug.cgi?id=2038940
References
- https://access.redhat.com/security/cve/CVE-2022-0171 secalert@redhat.com
- https://bugzilla.redhat.com/show_bug.cgi?id=2038940 secalert@redhat.com
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=683412ccf612... secalert@redhat.com
- https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html secalert@redhat.com
- https://www.debian.org/security/2022/dsa-5257 secalert@redhat.com
- https://access.redhat.com/security/cve/CVE-2022-0171 af854a3a-2127-422b-91ae-364da2661108
- https://bugzilla.redhat.com/show_bug.cgi?id=2038940 af854a3a-2127-422b-91ae-364da2661108
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=683412ccf612... af854a3a-2127-422b-91ae-364da2661108
- https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html af854a3a-2127-422b-91ae-364da2661108
- https://www.debian.org/security/2022/dsa-5257 af854a3a-2127-422b-91ae-364da2661108
- https://cert-portal.siemens.com/productcert/html/ssa-794697.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
Data sources
NVD CVE API 2.0 — fetched 2026-11-02 19:37 UTC · record ↗