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    CVE-2009-1935

    Integer overflow in the pipe_build_write_buffer function (sys/kern/sys_pipe.c) in the direct write optimization feature in the pipe implementation in FreeBSD 7.1 through 7.2 and 6.3 through 6.4 allows local users to bypass virtual-to-physical address lookups and read sensitive information in memory pages via unspecified vectors.

    Published:Jun 18, 2009
    Last Modified:Apr 23, 2026
    EPS:Jun 18, 2009
    EPSS Score:0.0007
    CVSS Score:4.9

    Affected Products

    Vendor
    Freebsd
    Product
    Freebsd

    Exploits

    http://security.freebsd.org/patches/SA-09:09/pipe.patchhttp://security.freebsd.org/patches/SA-09:09/pipe.patch

    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