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    CVE-2022-26357

    race in VT-d domain ID cleanup Xen domain IDs are up to 15 bits wide. VT-d hardware may allow for only less than 15 bits to hold a domain ID associating a physical device with a particular domain. Therefore internally Xen domain IDs are mapped to the smaller value range. The cleaning up of the housekeeping structures has a race, allowing for VT-d domain IDs to be leaked and flushes to be bypassed.

    Published:Apr 5, 2022
    Last Modified:Nov 21, 2024
    EPS:Apr 5, 2022
    EPSS Score:0.00014
    CVSS Score:7

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Xen
    Product
    Xen

    Exploits

    No exploit reference

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    References

    http://www.openwall.com/lists/oss-security/2022/04/05/2
    http://xenbits.xen.org/xsa/advisory-399.html
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6ETPM2OVZZ6KOS2L7QO7SIW6XWT5OW3F/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UHFSRVLM2JUCPDC2KGB7ETPQYJLCGBLD/
    https://security.gentoo.org/glsa/202402-07
    https://www.debian.org/security/2022/dsa-5117
    https://xenbits.xenproject.org/xsa/advisory-399.txt
    http://www.openwall.com/lists/oss-security/2022/04/05/2
    http://xenbits.xen.org/xsa/advisory-399.html
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6ETPM2OVZZ6KOS2L7QO7SIW6XWT5OW3F/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UHFSRVLM2JUCPDC2KGB7ETPQYJLCGBLD/
    https://security.gentoo.org/glsa/202402-07
    https://www.debian.org/security/2022/dsa-5117
    https://xenbits.xenproject.org/xsa/advisory-399.txt

    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