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    CVE-2010-4258

    The do_exit function in kernel/exit.c in the Linux kernel before 2.6.36.2 does not properly handle a KERNEL_DS get_fs value, which allows local users to bypass intended access_ok restrictions, overwrite arbitrary kernel memory locations, and gain privileges by leveraging a (1) BUG, (2) NULL pointer dereference, or (3) page fault, as demonstrated by vectors involving the clear_child_tid feature and the splice system call.

    Published:Dec 3, 2010
    Last Modified:Apr 11, 2025
    EPS:Dec 30, 2010
    EPSS Score:0.02515
    CVSS Score:6.2

    Affected Products

    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Opensuse
    Product
    Opensuse
    Vendor
    Suse
    Product
    Linux Enterprise Desktop
    Vendor
    Suse
    Product
    Linux Enterprise Real Time Extension
    Vendor
    Suse
    Product
    Linux Enterprise Server
    Vendor
    Suse
    Product
    Linux Enterprise Software Development Kit

    Exploits

    https://www.exploit-db.com/exploits/15704

    Common Weakness Enumeration

    CWE-269 Improper Privilege Management

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    References

    http://archives.neohapsis.com/archives/fulldisclosure/2010-12/0086.html
    http://blog.nelhage.com/2010/12/cve-2010-4258-from-dos-to-privesc/
    http://code.google.com/p/chromium-os/issues/detail?id=10234
    http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=33dd94ae1ccbfb7bf0fb6c692bc3d1c4269e6177
    http://googlechromereleases.blogspot.com/2011/01/chrome-os-beta-channel-update.html
    http://lists.fedoraproject.org/pipermail/package-announce/2010-December/052513.html
    http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00000.html
    http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00001.html
    http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00004.html
    http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00007.html
    http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html
    http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00002.html
    http://marc.info/?l=linux-kernel&m=129117048916957&w=2
    http://openwall.com/lists/oss-security/2010/12/02/2
    http://openwall.com/lists/oss-security/2010/12/02/3
    http://openwall.com/lists/oss-security/2010/12/02/4
    http://openwall.com/lists/oss-security/2010/12/02/7
    http://openwall.com/lists/oss-security/2010/12/08/4
    http://openwall.com/lists/oss-security/2010/12/08/5
    http://openwall.com/lists/oss-security/2010/12/08/9
    http://openwall.com/lists/oss-security/2010/12/09/14
    http://openwall.com/lists/oss-security/2010/12/09/4
    http://secunia.com/advisories/42745
    http://secunia.com/advisories/42778
    http://secunia.com/advisories/42801
    http://secunia.com/advisories/42932
    http://secunia.com/advisories/43056
    http://secunia.com/advisories/43291
    http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.36.2
    http://www.mandriva.com/security/advisories?name=MDVSA-2011:029
    http://www.vupen.com/english/advisories/2010/3321
    http://www.vupen.com/english/advisories/2011/0012
    http://www.vupen.com/english/advisories/2011/0124
    http://www.vupen.com/english/advisories/2011/0213
    http://www.vupen.com/english/advisories/2011/0298
    http://www.vupen.com/english/advisories/2011/0375
    https://bugzilla.redhat.com/show_bug.cgi?id=659567
    https://lkml.org/lkml/2010/12/1/543
    http://archives.neohapsis.com/archives/fulldisclosure/2010-12/0086.html
    http://blog.nelhage.com/2010/12/cve-2010-4258-from-dos-to-privesc/
    http://code.google.com/p/chromium-os/issues/detail?id=10234
    http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=33dd94ae1ccbfb7bf0fb6c692bc3d1c4269e6177
    http://googlechromereleases.blogspot.com/2011/01/chrome-os-beta-channel-update.html
    http://lists.fedoraproject.org/pipermail/package-announce/2010-December/052513.html
    http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00000.html
    http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00001.html
    http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00004.html
    http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00007.html
    http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html
    http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00002.html
    http://marc.info/?l=linux-kernel&m=129117048916957&w=2
    http://openwall.com/lists/oss-security/2010/12/02/2
    http://openwall.com/lists/oss-security/2010/12/02/3
    http://openwall.com/lists/oss-security/2010/12/02/4
    http://openwall.com/lists/oss-security/2010/12/02/7
    http://openwall.com/lists/oss-security/2010/12/08/4
    http://openwall.com/lists/oss-security/2010/12/08/5
    http://openwall.com/lists/oss-security/2010/12/08/9
    http://openwall.com/lists/oss-security/2010/12/09/14
    http://openwall.com/lists/oss-security/2010/12/09/4
    http://secunia.com/advisories/42745
    http://secunia.com/advisories/42778
    http://secunia.com/advisories/42801
    http://secunia.com/advisories/42932
    http://secunia.com/advisories/43056
    http://secunia.com/advisories/43291
    http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.36.2
    http://www.mandriva.com/security/advisories?name=MDVSA-2011:029
    http://www.vupen.com/english/advisories/2010/3321
    http://www.vupen.com/english/advisories/2011/0012
    http://www.vupen.com/english/advisories/2011/0124
    http://www.vupen.com/english/advisories/2011/0213
    http://www.vupen.com/english/advisories/2011/0298
    http://www.vupen.com/english/advisories/2011/0375
    https://bugzilla.redhat.com/show_bug.cgi?id=659567
    https://lkml.org/lkml/2010/12/1/543

    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