CVE-2020-2732
Vulnerability from cvelistv5
Published
2020-04-08 21:10
Modified
2024-09-30 15:47
Severity ?
5.8 (Medium) - CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
Summary
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.
References
secalert_us@oracle.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1805135Issue Tracking, Third Party Advisory
secalert_us@oracle.comhttps://git.kernel.org/linus/07721feee46b4b248402133228235318199b05ecPatch, Third Party Advisory
secalert_us@oracle.comhttps://git.kernel.org/linus/35a571346a94fb93b5b3b6a599675ef3384bc75cPatch, Third Party Advisory
secalert_us@oracle.comhttps://git.kernel.org/linus/e71237d3ff1abf9f3388337cfebf53b96df2020dPatch, Third Party Advisory
secalert_us@oracle.comhttps://linux.oracle.com/errata/ELSA-2020-5540.htmlThird Party Advisory
secalert_us@oracle.comhttps://linux.oracle.com/errata/ELSA-2020-5542.htmlThird Party Advisory
secalert_us@oracle.comhttps://linux.oracle.com/errata/ELSA-2020-5543.htmlThird Party Advisory
secalert_us@oracle.comhttps://lists.debian.org/debian-lts-announce/2020/06/msg00011.html
secalert_us@oracle.comhttps://lists.debian.org/debian-lts-announce/2020/06/msg00012.html
secalert_us@oracle.comhttps://lists.debian.org/debian-lts-announce/2020/06/msg00013.html
secalert_us@oracle.comhttps://www.debian.org/security/2020/dsa-4667
secalert_us@oracle.comhttps://www.debian.org/security/2020/dsa-4698
secalert_us@oracle.comhttps://www.openwall.com/lists/oss-security/2020/02/25/3Mailing List, Third Party Advisory
secalert_us@oracle.comhttps://www.spinics.net/lists/kvm/msg208259.htmlPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=1805135Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/linus/07721feee46b4b248402133228235318199b05ecPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/linus/35a571346a94fb93b5b3b6a599675ef3384bc75cPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/linus/e71237d3ff1abf9f3388337cfebf53b96df2020dPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://linux.oracle.com/errata/ELSA-2020-5540.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://linux.oracle.com/errata/ELSA-2020-5542.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://linux.oracle.com/errata/ELSA-2020-5543.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2020/dsa-4667
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2020/dsa-4698
af854a3a-2127-422b-91ae-364da2661108https://www.openwall.com/lists/oss-security/2020/02/25/3Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.spinics.net/lists/kvm/msg208259.htmlPatch, Third Party Advisory
Impacted products
Vendor Product Version
Show details on NVD website

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  }
}


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Sightings

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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
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  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.