CVE-2022-0171

Aliases:DEBIAN-CVE-2022-0171
Advisory lineage Upstream: 0 Downstream: 9
Modified
Published: 26 Aug 2022, 00:00
Last modified:02 Aug 2024, 23:18

Vulnerability Summary

Overall Risk (default)
low
22/100
CVSS Score
5.5 MEDIUM
v3.1 (nvd)
EPSS Score
0.3% LOW
0% probability +0.26%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

26 Aug 2022, 00:00
Published
Vulnerability first disclosed
02 Aug 2024, 23:18
Last Modified
Vulnerability information updated

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).

CVSS Metrics

  • v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Trends

Current EPSS score: 0.30%• Percentile: 23%

Techniques & Countermeasures

  • CWE-459•Incomplete Cleanup

    The product does not properly "clean up" and remove temporary or supporting resources after they have been used.

  • CWE-212•Improper Removal of Sensitive Information Before Storage or Transfer

    The product stores, transfers, or shares a resource that contains sensitive information, but it does not properly remove that information before the product makes the resource available to unauthorized actors.

Affected Systems

  • debian•linux

    < 5.10.149-1 | < 5.18.2-1 | < 5.18.2-1 | < 5.18.2-1

  • debian•debian_linux

    10.0 | 11.0

  • linux•linux_kernel

    < 5.18 | 5.18 | 5.18:rc1 | 5.18:rc2 | 5.18:rc3

  • redhat•enterprise_linux

    8.0 | 9.0

References (6)