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    CVE-2009-2767

    The init_posix_timers function in kernel/posix-timers.c in the Linux kernel before 2.6.31-rc6 allows local users to cause a denial of service (OOPS) or possibly gain privileges via a CLOCK_MONOTONIC_RAW clock_nanosleep call that triggers a NULL pointer dereference.

    Published:Aug 3, 2009
    Last Modified:Apr 23, 2026
    EPS:Aug 14, 2009
    EPSS Score:0.00124
    CVSS Score:7.2

    Affected Products

    Vendor
    Linux
    Product
    Kernel
    Vendor
    Linux
    Product
    Linux Kernel

    Exploits

    https://www.exploit-db.com/exploits/33148

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    References

    http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=70d715fd0597f18528f389b5ac59102263067744
    http://lkml.org/lkml/2009/8/4/28
    http://lkml.org/lkml/2009/8/4/40
    http://secunia.com/advisories/36200
    http://secunia.com/advisories/37105
    http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.31-rc6
    http://www.openwall.com/lists/oss-security/2009/08/06/2
    http://www.ubuntu.com/usn/USN-852-1
    http://www.vupen.com/english/advisories/2009/2197
    https://exchange.xforce.ibmcloud.com/vulnerabilities/52317
    http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=70d715fd0597f18528f389b5ac59102263067744
    http://lkml.org/lkml/2009/8/4/28
    http://lkml.org/lkml/2009/8/4/40
    http://secunia.com/advisories/36200
    http://secunia.com/advisories/37105
    http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.31-rc6
    http://www.openwall.com/lists/oss-security/2009/08/06/2
    http://www.ubuntu.com/usn/USN-852-1
    http://www.vupen.com/english/advisories/2009/2197
    https://exchange.xforce.ibmcloud.com/vulnerabilities/52317

    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