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    CVE-2009-3234

    Buffer overflow in the perf_copy_attr function in kernel/perf_counter.c in the Linux kernel 2.6.31-rc1 allows local users to cause a denial of service (crash) and execute arbitrary code via a "big size data" to the perf_counter_open system call.

    Published:Sep 17, 2009
    Last Modified:Apr 23, 2026
    EPS:Sep 17, 2009
    EPSS Score:0.00855
    CVSS Score:4.9

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel

    Exploits

    http://article.gmane.org/gmane.linux.kernel/890654http://article.gmane.org/gmane.linux.kernel/890654https://www.exploit-db.com/exploits/33228

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    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