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    CVE-2009-2908

    The d_delete function in fs/ecryptfs/inode.c in eCryptfs in the Linux kernel 2.6.31 allows local users to cause a denial of service (kernel OOPS) and possibly execute arbitrary code via unspecified vectors that cause a "negative dentry" and trigger a NULL pointer dereference, as demonstrated via a Mutt temporary directory in an eCryptfs mount.

    Published:Sep 22, 2009
    Last Modified:Apr 23, 2026
    EPS:Oct 13, 2009
    EPSS Score:0.02956
    CVSS Score:4.9

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-476 NULL Pointer Dereference

    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-2.6.31.y.git%3Ba=commit%3Bh=afc2b6932f48f200736d3e36ad66fee0ec733136
    http://lists.vmware.com/pipermail/security-announce/2010/000082.html
    http://secunia.com/advisories/37075
    http://secunia.com/advisories/37105
    http://secunia.com/advisories/38794
    http://secunia.com/advisories/38834
    http://www.openwall.com/lists/oss-security/2009/10/06/1
    http://www.securityfocus.com/bid/36639
    http://www.ubuntu.com/usn/USN-852-1
    http://www.vupen.com/english/advisories/2010/0528
    https://bugs.launchpad.net/ecryptfs/+bug/387073
    https://bugzilla.redhat.com/show_bug.cgi?id=527534
    https://exchange.xforce.ibmcloud.com/vulnerabilities/53693
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10216
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6992
    https://rhn.redhat.com/errata/RHSA-2009-1548.html
    https://www.redhat.com/archives/fedora-package-announce/2009-October/msg00483.html
    http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.31.y.git%3Ba=commit%3Bh=afc2b6932f48f200736d3e36ad66fee0ec733136
    http://lists.vmware.com/pipermail/security-announce/2010/000082.html
    http://secunia.com/advisories/37075
    http://secunia.com/advisories/37105
    http://secunia.com/advisories/38794
    http://secunia.com/advisories/38834
    http://www.openwall.com/lists/oss-security/2009/10/06/1
    http://www.securityfocus.com/bid/36639
    http://www.ubuntu.com/usn/USN-852-1
    http://www.vupen.com/english/advisories/2010/0528
    https://bugs.launchpad.net/ecryptfs/+bug/387073
    https://bugzilla.redhat.com/show_bug.cgi?id=527534
    https://exchange.xforce.ibmcloud.com/vulnerabilities/53693
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10216
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6992
    https://rhn.redhat.com/errata/RHSA-2009-1548.html
    https://www.redhat.com/archives/fedora-package-announce/2009-October/msg00483.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