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    CVE-2009-1883

    The z90crypt_unlocked_ioctl function in the z90crypt driver in the Linux kernel 2.6.9 does not perform a capability check for the Z90QUIESCE operation, which allows local users to leverage euid 0 privileges to force a driver outage.

    Published:Sep 15, 2009
    Last Modified:Apr 23, 2026
    EPS:Sep 18, 2009
    EPSS Score:0.00077
    CVSS Score:4.4

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Redhat
    Product
    Enterprise 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://lists.opensuse.org/opensuse-security-announce/2010-02/msg00007.html
    http://secunia.com/advisories/36759
    http://secunia.com/advisories/37105
    http://www.openwall.com/lists/oss-security/2009/09/15/1
    http://www.openwall.com/lists/oss-security/2009/09/15/3
    http://www.redhat.com/support/errata/RHSA-2009-1438.html
    http://www.ubuntu.com/usn/USN-852-1
    https://bugzilla.redhat.com/show_bug.cgi?id=505983
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9513
    http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00007.html
    http://secunia.com/advisories/36759
    http://secunia.com/advisories/37105
    http://www.openwall.com/lists/oss-security/2009/09/15/1
    http://www.openwall.com/lists/oss-security/2009/09/15/3
    http://www.redhat.com/support/errata/RHSA-2009-1438.html
    http://www.ubuntu.com/usn/USN-852-1
    https://bugzilla.redhat.com/show_bug.cgi?id=505983
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9513

    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