vulnerability
Red Hat: CVE-2020-2732: L2 guest may trick the L0 hypervisor to access sensitive L1 resources (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 2 | (AV:A/AC:M/Au:S/C:P/I:N/A:N) | Apr 8, 2020 | May 13, 2020 | Aug 11, 2025 |
Severity
2
CVSS
(AV:A/AC:M/Au:S/C:P/I:N/A:N)
Published
Apr 8, 2020
Added
May 13, 2020
Modified
Aug 11, 2025
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.
Solutions
redhat-upgrade-kernelredhat-upgrade-kernel-rt
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