CVE-2016-8649

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    CVE-2016-8649

    Published: 1 May 2017Last Modified: 8 Jul 2026

    Summary:

    Details: lxc-attach in LXC before 1.0.9 and 2.x before 2.0.6 allows an attacker inside of an unprivileged container to use an inherited file descriptor, of the host's /proc, to access the rest of the host's filesystem via the openat() family of syscalls.

    References: http://www.securityfocus.com/bid/94498, https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=845465, https://bugs.launchpad.net/ubuntu/+source/lxc/+bug/1639345, https://security-tracker.debian.org/tracker/CVE-2016-8649, https://bugzilla.redhat.com/show_bug.cgi?id=1398242, https://github.com/lxc/lxc/commit/81f466d05f2a89cb4f122ef7f593ff3f279b165c

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -7b483176022ea1ae71fefbd67b46da9d9b6548b7

    Affected versions

    lxc-2.0.5
    lxc-2.0.4
    lxc-2.0.3
    lxc-2.0.2
    lxc-2.0.1
    lxc-2.0.0

    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-2016-8649 | CVE-DB