UBUNTU-CVE-2023-20592

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Source
https://ubuntu.com/security/CVE-2023-20592
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-20592.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2023-20592
Upstream
Published
2023-11-14T19:15:00Z
Modified
2025-07-18T16:54:17Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

Improper or unexpected behavior of the INVD instruction in some AMD CPUs may allow an attacker with a malicious hypervisor to affect cache line write-back behavior of the CPU leading to a potential loss of guest virtual machine (VM) memory integrity.

References

Affected packages

Ubuntu:Pro:14.04:LTS / amd64-microcode

Package

Name
amd64-microcode
Purl
pkg:deb/ubuntu/amd64-microcode@3.20180524.1~ubuntu0.14.04.2+really20130710.1ubuntu1?arch=source&distro=esm-infra-legacy/trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.20120910-3

2.*

2.20131007.1+really20130710.1

3.*

3.20180524.1~ubuntu0.14.04.1
3.20180524.1~ubuntu0.14.04.2+really20130710.1
3.20180524.1~ubuntu0.14.04.2+really20130710.1ubuntu1