CVE-2015-1420

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    CVE-2015-1420

    Published: 16 Mar 2015Last Modified: 10 Apr 2026

    Summary:

    Details: Race condition in the handle_to_path function in fs/fhandle.c in the Linux kernel through 3.19.1 allows local users to bypass intended size restrictions and trigger read operations on additional memory locations by changing the handle_bytes value of a file handle during the execution of this function.

    References: http://www.debian.org/security/2015/dsa-3170, http://www.ubuntu.com/usn/USN-2660-1, http://www.ubuntu.com/usn/USN-2661-1, http://www.ubuntu.com/usn/USN-2665-1, http://www.ubuntu.com/usn/USN-2667-1, https://bugzilla.redhat.com/show_bug.cgi?id=1187534, http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00023.html, http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00011.html, http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00004.html, http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00018.html, http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00021.html, http://marc.info/?l=linux-kernel&m=142247707318982&w=2, http://www.openwall.com/lists/oss-security/2015/01/29/12, http://www.securityfocus.com/bid/72357

    Affected packages

    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