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{"acknowledgement": "Red Hat would like to thank Mingwei Zhang (Google) for reporting this issue.", "bugzilla": {"description": "kernel: KVM: cache incoherence issue in SEV API may lead to kernel crash", "id": "2038940", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2038940"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.7", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-212", "details": ["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).", "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)."], "name": "CVE-2022-0171", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-alt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2022-04-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-0171\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-0171"], "statement": "This flaw does not affect the versions of the kernel packages as shipped with Red Hat Enterprise Linux 6 and 7, as they did not include support for SEV. Red Hat Enterprise Linux 8 currently provides SEV as a Technology Preview. Using SEV in a production environment is discouraged. For additional details please see https://access.redhat.com/articles/4491591 and https://access.redhat.com/support/offerings/techpreview.", "threat_severity": "Moderate", "upstream_fix": "kernel 5.18-rc4"}