Vulnerability in Linux Kernel
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).
EPSS: 0.003 (21.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Linux Linux_kernel — versions 5.18
- Debian Debian_linux — versions 10.0, 11.0
- Redhat Enterprise_linux — versions 8.0, 9.0
- N/a Kernel — versions Fixed in kernel 5.18-rc4
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (Patch, Third Party Advisory, Issue Tracking)
- secalert@redhat.com (Patch, Mailing List, Vendor Advisory)
- secalert@redhat.com (Third Party Advisory)
- secalert@redhat.com (vendor-advisory, Third Party Advisory)
- secalert@redhat.com (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-0171?
- CVE-2022-0171 is a medium-severity vulnerability in Linux Kernel, classified under Incomplete Cleanup. CVSS score: 5.5/10. Published 2022-08-26.
- How severe is CVE-2022-0171?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2022-0171 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.