CVE-2020-2732
MEDIUM
6.8
CVSS Score
Published: April 8, 2020 at 09:10 PM UTC
Updated: June 17, 2026 at 03:12 AM UTC
2 products affected across 2 vendorsEnterprise LinuxLinux
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Severity
MEDIUM6.8
Exploit prediction
EPSS 0.9%
SSVC
No known exploit
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.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (14)
x_refsource_MISCIssue TrackingThird Party Advisory
Source: [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=1805135x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://git.kernel.org/linus/07721feee46b4b248402133228235318199b05ecx_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://git.kernel.org/linus/35a571346a94fb93b5b3b6a599675ef3384bc75cx_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://git.kernel.org/linus/e71237d3ff1abf9f3388337cfebf53b96df2020dx_refsource_MISCThird Party Advisory
Source: [email protected]
https://linux.oracle.com/errata/ELSA-2020-5540.htmlx_refsource_MISCThird Party Advisory
Source: [email protected]
https://linux.oracle.com/errata/ELSA-2020-5542.htmlx_refsource_MISCThird Party Advisory
Source: [email protected]
https://linux.oracle.com/errata/ELSA-2020-5543.htmlMailing Listx_refsource_MLIST
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2020/06/msg00011.htmlSSVC — Action Prioritization
SSVCNo known exploitNot automatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- ADJACENT_NETWORK
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- CHANGED
- Confidentiality
- HIGH
- Integrity
- NONE
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-200
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