DEBIAN-CVE-2017-7995

    Dashboard / Vulnerabilities / DEBIAN-CVE-2017-7995

    DEBIAN-CVE-2017-7995

    Published: 3 May 2017Last Modified: 1 Sept 2026
    Upstream:
    CVE-2017-7995

    Summary:

    Details: Xen PV guest before Xen 4.3 checked access permissions to MMIO ranges only after accessing them, allowing host PCI device space memory reads, leading to information disclosure. This is an error in the get_user function. NOTE: the upstream Xen Project considers versions before 4.5.x to be EOL.

    References: https://security-tracker.debian.org/tracker/CVE-2017-7995

    Affected packages

    Package

    Name: xen

    Purl: pkg:deb/debian/xen?arch=source&distro=bookworm

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -4.3.0-1

    Affected versions

    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