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    CVE-2020-11740

    An issue was discovered in xenoprof in Xen through 4.13.x, allowing guest OS users (without active profiling) to obtain sensitive information about other guests. Unprivileged guests can request to map xenoprof buffers, even if profiling has not been enabled for those guests. These buffers were not scrubbed.

    Published:Apr 14, 2020
    Last Modified:Nov 21, 2024
    EPS:Apr 14, 2020
    EPSS Score:0.00063
    CVSS Score:5.5

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Opensuse
    Product
    Leap
    Vendor
    Xen
    Product
    Xen

    Exploits

    No exploit reference

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    References

    http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00006.html
    http://www.openwall.com/lists/oss-security/2020/04/14/1
    http://xenbits.xen.org/xsa/advisory-313.html
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5M2XRNCHOGGTJQBZQJ7DCV6ZNAKN3LE2/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NVTP4OYHCTRU3ONFJOFJQVNDFB25KLLG/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YMAW7D2MP6RE4BFI5BZWOBBWGY3VSOFN/
    https://security.gentoo.org/glsa/202005-08
    https://www.debian.org/security/2020/dsa-4723
    https://xenbits.xen.org/xsa/advisory-313.html
    http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00006.html
    http://www.openwall.com/lists/oss-security/2020/04/14/1
    http://xenbits.xen.org/xsa/advisory-313.html
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5M2XRNCHOGGTJQBZQJ7DCV6ZNAKN3LE2/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NVTP4OYHCTRU3ONFJOFJQVNDFB25KLLG/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YMAW7D2MP6RE4BFI5BZWOBBWGY3VSOFN/
    https://security.gentoo.org/glsa/202005-08
    https://www.debian.org/security/2020/dsa-4723
    https://xenbits.xen.org/xsa/advisory-313.html

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High