CVE-2020-2732
- State
- Published
- Severity
- 5.8 Medium
- Published
- Apr 8, 2020
- Updated
- Sep 30, 2024
- Reserved
- Dec 10, 2019
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 5.8 Medium | CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N | oracle |
Weaknesses
The record names no weakness.
Affected Products
| Product | Versions |
|---|---|
Oracle LinuxOracle Corporation |
|
References
- https://www.openwall.com/lists/oss-security/2020/02/25/3
- https://www.spinics.net/lists/kvm/msg208259.html
- https://git.kernel.org/linus/07721feee46b4b248402133228235318199b05ec
- https://git.kernel.org/linus/35a571346a94fb93b5b3b6a599675ef3384bc75c
- https://git.kernel.org/linus/e71237d3ff1abf9f3388337cfebf53b96df2020d
- https://bugzilla.redhat.com/show_bug.cgi?id=1805135
- https://linux.oracle.com/errata/ELSA-2020-5540.html
- https://linux.oracle.com/errata/ELSA-2020-5542.html
- https://linux.oracle.com/errata/ELSA-2020-5543.html
- DSA-4667vendor-advisory
- [debian-lts-announce] 20200609 [SECURITY] [DLA 2241-1] linux security updatemailing-list
- [debian-lts-announce] 20200610 [SECURITY] [DLA 2242-1] linux-4.9 security updatemailing-list
- [debian-lts-announce] 20200610 [SECURITY] [DLA 2241-2] linux security updatemailing-list
- DSA-4698vendor-advisory
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