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    CVE-2006-4516

    Integer signedness error in FreeBSD 6.0-RELEASE allows local users to cause a denial of service (memory corruption and kernel panic) via a PT_LWPINFO ptrace command with a large negative data value that satisfies a signed maximum value check but is used in an unsigned copyout function call.

    Published:Oct 12, 2006
    Last Modified:Apr 23, 2026
    EPS:Oct 12, 2006
    EPSS Score:0.00232
    CVSS Score:4.9

    Affected Products

    Vendor
    Freebsd
    Product
    Freebsd

    Exploits

    https://www.exploit-db.com/exploits/2524

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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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