DEBIAN-CVE-2020-2732

Advisory lineage Upstream: 1 Downstream: 4
Upstream
CVE-2020-2732
Published: 08 Apr 2020, 22:15
Last modified:28 Apr 2026, 20:19

Vulnerability Summary

Overall Risk (default)
medium
27/100
CVSS Score
6.8 MEDIUM
3.1 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

08 Apr 2020, 22:15
Published
Vulnerability first disclosed
28 Apr 2026, 20:19
Last Modified
Vulnerability information updated

Description

A flaw was discovered in the way that the KVM hypervisor handled instruction emulation for an L2 guest when nested virtualisation is enabled. Under some circumstances, an L2 guest may trick the L0 guest into accessing sensitive L1 resources that should be inaccessible to the L2 guest.

CVSS Metrics

  • v3.1•MEDIUM•Score: 6.8CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

Affected Systems

  • debian•linux

    < 5.5.13-1 | < 5.5.13-1 | < 5.5.13-1 | < 5.5.13-1

References (1)