CVE-2015-5706

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    CVE-2015-5706

    Published: 31 Aug 2015Last Modified: 16 Apr 2026

    Summary:

    Details: Use-after-free vulnerability in the path_openat function in fs/namei.c in the Linux kernel 3.x and 4.x before 4.0.4 allows local users to cause a denial of service or possibly have unspecified other impact via O_TMPFILE filesystem operations that leverage a duplicate cleanup operation.

    References: http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f15133df088ecadd141ea1907f2c96df67c729f0, http://www.debian.org/security/2015/dsa-3329, http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.0.4, http://www.openwall.com/lists/oss-security/2015/08/01/5, http://www.securityfocus.com/bid/76142, http://www.ubuntu.com/usn/USN-2680-1, http://www.ubuntu.com/usn/USN-2681-1, https://bugzilla.redhat.com/show_bug.cgi?id=1250047, https://github.com/torvalds/linux/commit/f15133df088ecadd141ea1907f2c96df67c729f0, https://source.android.com/security/bulletin/2017-01-01.html, http://www.openwall.com/lists/oss-security/2015/08/01/5, http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f15133df088ecadd141ea1907f2c96df67c729f0, https://bugzilla.redhat.com/show_bug.cgi?id=1250047, https://github.com/torvalds/linux/commit/f15133df088ecadd141ea1907f2c96df67c729f0, https://source.android.com/security/bulletin/2017-01-01.html, https://bugzilla.redhat.com/show_bug.cgi?id=1250047, http://twitter.com/grsecurity/statuses/597127122910490624

    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
    CVE-2015-5706 | CVE-DB