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    CVE-2008-4554

    The do_splice_from function in fs/splice.c in the Linux kernel before 2.6.27 does not reject file descriptors that have the O_APPEND flag set, which allows local users to bypass append mode and make arbitrary changes to other locations in the file.

    Published:Oct 9, 2008
    Last Modified:Apr 23, 2026
    EPS:Oct 15, 2008
    EPSS Score:0.00063
    CVSS Score:4.6

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Enterprise Mrg

    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://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.26.y.git%3Ba=commit%3Bh=efc968d450e013049a662d22727cf132618dcb2f
    http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00000.html
    http://secunia.com/advisories/32386
    http://secunia.com/advisories/32918
    http://secunia.com/advisories/32998
    http://secunia.com/advisories/33180
    http://secunia.com/advisories/33182
    http://secunia.com/advisories/33586
    http://secunia.com/advisories/35390
    http://www.debian.org/security/2008/dsa-1681
    http://www.debian.org/security/2008/dsa-1687
    http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.27
    http://www.mandriva.com/security/advisories?name=MDVSA-2008:224
    http://www.openwall.com/lists/oss-security/2008/10/13/1
    http://www.openwall.com/lists/oss-security/2008/10/14/5
    http://www.redhat.com/support/errata/RHSA-2008-1017.html
    http://www.redhat.com/support/errata/RHSA-2009-0009.html
    http://www.securityfocus.com/bid/31903
    http://www.ubuntu.com/usn/usn-679-1
    https://bugzilla.redhat.com/show_bug.cgi?id=466707
    https://exchange.xforce.ibmcloud.com/vulnerabilities/45954
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11142
    https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00689.html
    https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00693.html
    http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.26.y.git%3Ba=commit%3Bh=efc968d450e013049a662d22727cf132618dcb2f
    http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00000.html
    http://secunia.com/advisories/32386
    http://secunia.com/advisories/32918
    http://secunia.com/advisories/32998
    http://secunia.com/advisories/33180
    http://secunia.com/advisories/33182
    http://secunia.com/advisories/33586
    http://secunia.com/advisories/35390
    http://www.debian.org/security/2008/dsa-1681
    http://www.debian.org/security/2008/dsa-1687
    http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.27
    http://www.mandriva.com/security/advisories?name=MDVSA-2008:224
    http://www.openwall.com/lists/oss-security/2008/10/13/1
    http://www.openwall.com/lists/oss-security/2008/10/14/5
    http://www.redhat.com/support/errata/RHSA-2008-1017.html
    http://www.redhat.com/support/errata/RHSA-2009-0009.html
    http://www.securityfocus.com/bid/31903
    http://www.ubuntu.com/usn/usn-679-1
    https://bugzilla.redhat.com/show_bug.cgi?id=466707
    https://exchange.xforce.ibmcloud.com/vulnerabilities/45954
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11142
    https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00689.html
    https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00693.html

    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