CVE-2013-4343

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    CVE-2013-4343

    Published: 25 Sept 2013Last Modified: 10 Apr 2026

    Summary:

    Details: Use-after-free vulnerability in drivers/net/tun.c in the Linux kernel through 3.11.1 allows local users to gain privileges by leveraging the CAP_NET_ADMIN capability and providing an invalid tuntap interface name in a TUNSETIFF ioctl call.

    References: http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00071.html, http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00039.html, http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00048.html, http://marc.info/?l=linux-kernel&m=137889490510745&w=2, http://rhn.redhat.com/errata/RHSA-2013-1490.html, http://www.openwall.com/lists/oss-security/2013/09/12/3, http://www.spinics.net/lists/netdev/msg250066.html, http://www.ubuntu.com/usn/USN-2020-1, http://www.ubuntu.com/usn/USN-2023-1, http://www.ubuntu.com/usn/USN-2049-1, https://bugzilla.redhat.com/show_bug.cgi?id=1007733, http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00071.html, http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00039.html, http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00048.html, http://marc.info/?l=linux-kernel&m=137889490510745&w=2, http://www.openwall.com/lists/oss-security/2013/09/12/3, https://bugzilla.redhat.com/show_bug.cgi?id=1007733

    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-2013-4343 | CVE-DB