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
0.16% LOW
0% probability +0.12%
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: 0.16%• Percentile: 36%
Techniques & Countermeasures
- 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.
- CWE-459•Incomplete Cleanup
The product does not properly "clean up" and remove temporary or supporting resources after they have been used.
Affected Systems
- 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 (5)
- 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://access.redhat.com/security/cve/CVE-2022-0171
- https://www.debian.org/security/2022/dsa-5257
- https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html