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    CVE-2004-1056

    Direct Rendering Manager (DRM) driver in Linux kernel 2.6 does not properly check the DMA lock, which could allow remote attackers or local users to cause a denial of service (X Server crash) and possibly modify the video output.

    Published:Dec 14, 2004
    Last Modified:Apr 16, 2026
    EPS:Dec 22, 2004
    EPSS Score:0.03362
    CVSS Score:6.4

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Ubuntu
    Product
    Ubuntu Linux

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    http://secunia.com/advisories/17002
    http://www.redhat.com/support/errata/RHSA-2005-092.html
    http://www.redhat.com/support/errata/RHSA-2005-529.html
    http://www.redhat.com/support/errata/RHSA-2005-551.html
    http://www.redhat.com/support/errata/RHSA-2005-663.html
    http://www.vupen.com/english/advisories/2005/1878
    https://bugzilla.fedora.us/show_bug.cgi?id=2336
    https://exchange.xforce.ibmcloud.com/vulnerabilities/15972
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9795
    https://www.ubuntu.com/usn/usn-38-1/
    http://secunia.com/advisories/17002
    http://www.redhat.com/support/errata/RHSA-2005-092.html
    http://www.redhat.com/support/errata/RHSA-2005-529.html
    http://www.redhat.com/support/errata/RHSA-2005-551.html
    http://www.redhat.com/support/errata/RHSA-2005-663.html
    http://www.vupen.com/english/advisories/2005/1878
    https://bugzilla.fedora.us/show_bug.cgi?id=2336
    https://exchange.xforce.ibmcloud.com/vulnerabilities/15972
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9795
    https://www.ubuntu.com/usn/usn-38-1/

    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