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    CVE-2004-0427

    The do_fork function in Linux 2.4.x before 2.4.26, and 2.6.x before 2.6.6, does not properly decrement the mm_count counter when an error occurs after the mm_struct for a child process has been activated, which triggers a memory leak that allows local users to cause a denial of service (memory exhaustion) via the clone (CLONE_VM) system call.

    Published:Apr 8, 2004
    Last Modified:Apr 16, 2026
    EPS:Apr 30, 2004
    EPSS Score:0.00164
    CVSS Score:2.1

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    ftp://patches.sgi.com/support/free/security/advisories/20040504-01-U.asc
    ftp://patches.sgi.com/support/free/security/advisories/20040505-01-U.asc
    http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000846
    http://fedoranews.org/updates/FEDORA-2004-111.shtml
    http://linux.bkbits.net:8080/linux-2.4/cset%40407bf20eDeeejm8t36_tpvSE-8EFHA
    http://linux.bkbits.net:8080/linux-2.6/cset%40407b1217x4jtqEkpFW2g_-RcF0726A
    http://marc.info/?l=linux-kernel&m=108139073506983&w=2
    http://secunia.com/advisories/11429
    http://secunia.com/advisories/11464
    http://secunia.com/advisories/11486
    http://secunia.com/advisories/11541
    http://secunia.com/advisories/11861
    http://secunia.com/advisories/11891
    http://secunia.com/advisories/11892
    http://secunia.com/advisories/20162
    http://secunia.com/advisories/20163
    http://secunia.com/advisories/20202
    http://secunia.com/advisories/20338
    http://security.gentoo.org/glsa/glsa-200407-02.xml
    http://www.ciac.org/ciac/bulletins/o-164.shtml
    http://www.debian.org/security/2006/dsa-1067
    http://www.debian.org/security/2006/dsa-1069
    http://www.debian.org/security/2006/dsa-1070
    http://www.debian.org/security/2006/dsa-1082
    http://www.mandriva.com/security/advisories?name=MDKSA-2004:037
    http://www.novell.com/linux/security/advisories/2004_10_kernel.html
    http://www.redhat.com/support/errata/RHSA-2004-255.html
    http://www.redhat.com/support/errata/RHSA-2004-260.html
    http://www.redhat.com/support/errata/RHSA-2004-327.html
    http://www.securityfocus.com/bid/10221
    http://www.turbolinux.com/security/2004/TLSA-2004-14.txt
    https://exchange.xforce.ibmcloud.com/vulnerabilities/16002
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10297
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2819
    ftp://patches.sgi.com/support/free/security/advisories/20040504-01-U.asc
    ftp://patches.sgi.com/support/free/security/advisories/20040505-01-U.asc
    http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000846
    http://fedoranews.org/updates/FEDORA-2004-111.shtml
    http://linux.bkbits.net:8080/linux-2.4/cset%40407bf20eDeeejm8t36_tpvSE-8EFHA
    http://linux.bkbits.net:8080/linux-2.6/cset%40407b1217x4jtqEkpFW2g_-RcF0726A
    http://marc.info/?l=linux-kernel&m=108139073506983&w=2
    http://secunia.com/advisories/11429
    http://secunia.com/advisories/11464
    http://secunia.com/advisories/11486
    http://secunia.com/advisories/11541
    http://secunia.com/advisories/11861
    http://secunia.com/advisories/11891
    http://secunia.com/advisories/11892
    http://secunia.com/advisories/20162
    http://secunia.com/advisories/20163
    http://secunia.com/advisories/20202
    http://secunia.com/advisories/20338
    http://security.gentoo.org/glsa/glsa-200407-02.xml
    http://www.ciac.org/ciac/bulletins/o-164.shtml
    http://www.debian.org/security/2006/dsa-1067
    http://www.debian.org/security/2006/dsa-1069
    http://www.debian.org/security/2006/dsa-1070
    http://www.debian.org/security/2006/dsa-1082
    http://www.mandriva.com/security/advisories?name=MDKSA-2004:037
    http://www.novell.com/linux/security/advisories/2004_10_kernel.html
    http://www.redhat.com/support/errata/RHSA-2004-255.html
    http://www.redhat.com/support/errata/RHSA-2004-260.html
    http://www.redhat.com/support/errata/RHSA-2004-327.html
    http://www.securityfocus.com/bid/10221
    http://www.turbolinux.com/security/2004/TLSA-2004-14.txt
    https://exchange.xforce.ibmcloud.com/vulnerabilities/16002
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10297
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2819

    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