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    CVE-2006-1856

    Certain modifications to the Linux kernel 2.6.16 and earlier do not add the appropriate Linux Security Modules (LSM) file_permission hooks to the (1) readv and (2) writev functions, which might allow attackers to bypass intended access restrictions.

    Published:Sep 28, 2005
    Last Modified:Apr 16, 2026
    EPS:May 19, 2006
    EPSS Score:0.0231
    CVSS Score:7.5

    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.jammed.com/linux-security-module/2005/09/0019.html
    http://secunia.com/advisories/20237
    http://secunia.com/advisories/20716
    http://secunia.com/advisories/21045
    http://secunia.com/advisories/21745
    http://secunia.com/advisories/22093
    http://support.avaya.com/elmodocs2/security/ASA-2006-161.htm
    http://www.debian.org/security/2006/dsa-1184
    http://www.mandriva.com/security/advisories?name=MDKSA-2006:123
    http://www.osvdb.org/25747
    http://www.redhat.com/support/errata/RHSA-2006-0493.html
    http://www.securityfocus.com/bid/18105
    http://www.ubuntu.com/usn/usn-302-1
    http://www.ussg.iu.edu/hypermail/linux/kernel/0604.3/0777.html
    https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=191524
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9927
    http://lists.jammed.com/linux-security-module/2005/09/0019.html
    http://secunia.com/advisories/20237
    http://secunia.com/advisories/20716
    http://secunia.com/advisories/21045
    http://secunia.com/advisories/21745
    http://secunia.com/advisories/22093
    http://support.avaya.com/elmodocs2/security/ASA-2006-161.htm
    http://www.debian.org/security/2006/dsa-1184
    http://www.mandriva.com/security/advisories?name=MDKSA-2006:123
    http://www.osvdb.org/25747
    http://www.redhat.com/support/errata/RHSA-2006-0493.html
    http://www.securityfocus.com/bid/18105
    http://www.ubuntu.com/usn/usn-302-1
    http://www.ussg.iu.edu/hypermail/linux/kernel/0604.3/0777.html
    https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=191524
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9927

    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