UBUNTU-CVE-2013-4343

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    UBUNTU-CVE-2013-4343

    Published: 25 Sept 2013Last Modified: 4 Feb 2026
    Upstream:
    CVE-2013-4343

    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: https://ubuntu.com/security/CVE-2013-4343, http://www.openwall.com/lists/oss-security/2013/09/12/3, http://www.spinics.net/lists/netdev/msg250066.html, https://ubuntu.com/security/notices/USN-2020-1, https://ubuntu.com/security/notices/USN-2023-1, https://ubuntu.com/security/notices/USN-2049-1, https://www.cve.org/CVERecord?id=CVE-2013-4343

    Affected packages

    Package

    Name: linux

    Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.12.0-1.3

    Affected versions

    3.11.0-12.19

    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