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    CVE-2015-5706

    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.

    Published:May 9, 2015
    Last Modified:Apr 12, 2025
    EPS:Aug 31, 2015
    EPSS Score:0.0005
    CVSS Score:4.6

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Linux
    Product
    Linux Kernel

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-416 Use After Free

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f15133df088ecadd141ea1907f2c96df67c729f0
    http://twitter.com/grsecurity/statuses/597127122910490624
    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://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f15133df088ecadd141ea1907f2c96df67c729f0
    http://twitter.com/grsecurity/statuses/597127122910490624
    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

    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