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CVE-2020-2732
Good to know:
Date: June 10, 2020
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.
Language: C
Severity Score
Related Resources (19)
Severity Score
Weakness Type (CWE)
Information Leak / Disclosure
CWE-200Top Fix
Upgrade Version
Upgrade to version v5.6-rc4,v3.16.83,v4.14.172,v4.19.107,v4.4.215,v4.9.215,v5.4.23,v5.5.7
CVSS v3.1
| Base Score: |
|
|---|---|
| Attack Vector (AV): | ADJACENT_NETWORK |
| Attack Complexity (AC): | LOW |
| Privileges Required (PR): | LOW |
| User Interaction (UI): | NONE |
| Scope (S): | CHANGED |
| Confidentiality (C): | HIGH |
| Integrity (I): | NONE |
| Availability (A): | NONE |
CVSS v2
| Base Score: |
|
|---|---|
| Access Vector (AV): | ADJACENT |
| Access Complexity (AC): | MEDIUM |
| Authentication (AU): | SINGLE |
| Confidentiality (C): | PARTIAL |
| Integrity (I): | NONE |
| Availability (A): | NONE |
| Additional information: |