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    CVE-2003-0246

    The ioperm system call in Linux kernel 2.4.20 and earlier does not properly restrict privileges, which allows local users to gain read or write access to certain I/O ports.

    Published:May 12, 2003
    Last Modified:Apr 16, 2026
    EPS:May 15, 2003
    EPSS Score:0.00122
    CVSS Score:3.6

    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://archives.neohapsis.com/archives/vulnwatch/2003-q2/0076.html
    http://marc.info/?l=bugtraq&m=105301461726555&w=2
    http://www.debian.org/security/2003/dsa-311
    http://www.debian.org/security/2003/dsa-312
    http://www.debian.org/security/2003/dsa-332
    http://www.debian.org/security/2003/dsa-336
    http://www.debian.org/security/2004/dsa-442
    http://www.mandriva.com/security/advisories?name=MDKSA-2003:066
    http://www.mandriva.com/security/advisories?name=MDKSA-2003:074
    http://www.redhat.com/support/errata/RHSA-2003-147.html
    http://www.redhat.com/support/errata/RHSA-2003-172.html
    http://www.turbolinux.com/security/TLSA-2003-41.txt
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A278
    http://archives.neohapsis.com/archives/vulnwatch/2003-q2/0076.html
    http://marc.info/?l=bugtraq&m=105301461726555&w=2
    http://www.debian.org/security/2003/dsa-311
    http://www.debian.org/security/2003/dsa-312
    http://www.debian.org/security/2003/dsa-332
    http://www.debian.org/security/2003/dsa-336
    http://www.debian.org/security/2004/dsa-442
    http://www.mandriva.com/security/advisories?name=MDKSA-2003:066
    http://www.mandriva.com/security/advisories?name=MDKSA-2003:074
    http://www.redhat.com/support/errata/RHSA-2003-147.html
    http://www.redhat.com/support/errata/RHSA-2003-172.html
    http://www.turbolinux.com/security/TLSA-2003-41.txt
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A278

    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