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    CVE-2004-0077

    The do_mremap function for the mremap system call in Linux 2.2 to 2.2.25, 2.4 to 2.4.24, and 2.6 to 2.6.2, does not properly check the return value from the do_munmap function when the maximum number of VMA descriptors is exceeded, which allows local users to gain root privileges, a different vulnerability than CAN-2003-0985.

    Published:Feb 18, 2004
    Last Modified:Apr 16, 2026
    EPS:Sep 1, 2004
    EPSS Score:0.00111
    CVSS Score:7.2

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Netwosix
    Product
    Netwosix Linux
    Vendor
    Redhat
    Product
    Bigmem Kernel
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Kernel
    Vendor
    Redhat
    Product
    Kernel Doc
    Vendor
    Redhat
    Product
    Kernel Source
    Vendor
    Redhat
    Product
    Linux
    Vendor
    Trustix
    Product
    Secure Linux

    Exploits

    http://www.securityfocus.com/bid/9686http://www.securityfocus.com/bid/9686https://www.exploit-db.com/exploits/160https://github.com/0b0111100/2004https://www.exploit-db.com/exploits/154

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    CVE-2026-80922 — In the Linux kernel, the following vulnerability has been resolved: crypto: qcom-rng - Allow zero as a random…
    CVE-2026-80921 (CVSS 8.8) — In the Linux kernel, the following vulnerability has been resolved: KVM: s390: vsie: zero stale crypto bits …
    CVE-2026-80920 — In the Linux kernel, the following vulnerability has been resolved: io_uring: defer eventfd signaling when qu…
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    References

    http://archives.neohapsis.com/archives/vulnwatch/2004-q1/0040.html
    http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000820
    http://fedoranews.org/updates/FEDORA-2004-079.shtml
    http://frontal2.mandriva.com/security/advisories?name=MDKSA-2004:015
    http://isec.pl/vulnerabilities/isec-0014-mremap-unmap.txt
    http://marc.info/?l=bugtraq&m=107711762014175&w=2
    http://marc.info/?l=bugtraq&m=107712137732553&w=2
    http://marc.info/?l=bugtraq&m=107755871932680&w=2
    http://security.gentoo.org/glsa/glsa-200403-02.xml
    http://www.ciac.org/ciac/bulletins/o-082.shtml
    http://www.debian.org/security/2004/dsa-438
    http://www.debian.org/security/2004/dsa-439
    http://www.debian.org/security/2004/dsa-440
    http://www.debian.org/security/2004/dsa-441
    http://www.debian.org/security/2004/dsa-442
    http://www.debian.org/security/2004/dsa-444
    http://www.debian.org/security/2004/dsa-450
    http://www.debian.org/security/2004/dsa-453
    http://www.debian.org/security/2004/dsa-454
    http://www.debian.org/security/2004/dsa-456
    http://www.debian.org/security/2004/dsa-466
    http://www.debian.org/security/2004/dsa-470
    http://www.debian.org/security/2004/dsa-475
    http://www.debian.org/security/2004/dsa-514
    http://www.kb.cert.org/vuls/id/981222
    http://www.novell.com/linux/security/advisories/2004_05_linux_kernel.html
    http://www.osvdb.org/3986
    http://www.redhat.com/support/errata/RHSA-2004-065.html
    http://www.redhat.com/support/errata/RHSA-2004-066.html
    http://www.redhat.com/support/errata/RHSA-2004-069.html
    http://www.redhat.com/support/errata/RHSA-2004-106.html
    http://www.securityfocus.com/bid/9686
    http://www.slackware.com/security/viewer.php?l=slackware-security&y=2004&m=slackware-security.404734
    https://exchange.xforce.ibmcloud.com/vulnerabilities/15244
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A825
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A837
    http://archives.neohapsis.com/archives/vulnwatch/2004-q1/0040.html
    http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000820
    http://fedoranews.org/updates/FEDORA-2004-079.shtml
    http://frontal2.mandriva.com/security/advisories?name=MDKSA-2004:015
    http://isec.pl/vulnerabilities/isec-0014-mremap-unmap.txt
    http://marc.info/?l=bugtraq&m=107711762014175&w=2
    http://marc.info/?l=bugtraq&m=107712137732553&w=2
    http://marc.info/?l=bugtraq&m=107755871932680&w=2
    http://security.gentoo.org/glsa/glsa-200403-02.xml
    http://www.ciac.org/ciac/bulletins/o-082.shtml
    http://www.debian.org/security/2004/dsa-438
    http://www.debian.org/security/2004/dsa-439
    http://www.debian.org/security/2004/dsa-440
    http://www.debian.org/security/2004/dsa-441
    http://www.debian.org/security/2004/dsa-442
    http://www.debian.org/security/2004/dsa-444
    http://www.debian.org/security/2004/dsa-450
    http://www.debian.org/security/2004/dsa-453
    http://www.debian.org/security/2004/dsa-454
    http://www.debian.org/security/2004/dsa-456
    http://www.debian.org/security/2004/dsa-466
    http://www.debian.org/security/2004/dsa-470
    http://www.debian.org/security/2004/dsa-475
    http://www.debian.org/security/2004/dsa-514
    http://www.kb.cert.org/vuls/id/981222
    http://www.novell.com/linux/security/advisories/2004_05_linux_kernel.html
    http://www.osvdb.org/3986
    http://www.redhat.com/support/errata/RHSA-2004-065.html
    http://www.redhat.com/support/errata/RHSA-2004-066.html
    http://www.redhat.com/support/errata/RHSA-2004-069.html
    http://www.redhat.com/support/errata/RHSA-2004-106.html
    http://www.securityfocus.com/bid/9686
    http://www.slackware.com/security/viewer.php?l=slackware-security&y=2004&m=slackware-security.404734
    https://exchange.xforce.ibmcloud.com/vulnerabilities/15244
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A825
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A837

    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