UBUNTU-CVE-2015-3636

    Dashboard / Vulnerabilities / UBUNTU-CVE-2015-3636

    UBUNTU-CVE-2015-3636

    Published: 2 May 2015Last Modified: 22 Apr 2026
    Upstream:
    CVE-2015-3636
    Aliases:
    USN-2631-1
    USN-2632-1
    USN-2633-1

    Summary:

    Details: The ping_unhash function in net/ipv4/ping.c in the Linux kernel before 4.0.3 does not initialize a certain list data structure during an unhash operation, which allows local users to gain privileges or cause a denial of service (use-after-free and system crash) by leveraging the ability to make a SOCK_DGRAM socket system call for the IPPROTO_ICMP or IPPROTO_ICMPV6 protocol, and then making a connect system call after a disconnect.

    References: https://ubuntu.com/security/CVE-2015-3636, https://lkml.org/lkml/2011/5/13/382, http://www.openwall.com/lists/oss-security/2015/05/02, https://ubuntu.com/security/notices/USN-2631-1, https://ubuntu.com/security/notices/USN-2632-1, https://ubuntu.com/security/notices/USN-2633-1, https://ubuntu.com/security/notices/USN-2634-1, https://ubuntu.com/security/notices/USN-2635-1, https://ubuntu.com/security/notices/USN-2636-1, https://ubuntu.com/security/notices/USN-2637-1, https://ubuntu.com/security/notices/USN-2638-1, https://www.cve.org/CVERecord?id=CVE-2015-3636

    Affected packages

    Package

    Name: linux

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.13.0-54.91

    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
    UBUNTU-CVE-2015-3636 | CVE-DB