UBUNTU-CVE-2017-9242

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    UBUNTU-CVE-2017-9242

    Published: 26 May 2017Last Modified: 26 Aug 2026
    Upstream:
    CVE-2017-9242
    Aliases:
    USN-3342-1
    USN-3342-2
    USN-3343-1

    Summary:

    Details: The __ip6_append_data function in net/ipv6/ip6_output.c in the Linux kernel through 4.11.3 is too late in checking whether an overwrite of an skb data structure may occur, which allows local users to cause a denial of service (system crash) via crafted system calls.

    References: https://ubuntu.com/security/CVE-2017-9242, https://git.kernel.org/linus/232cd35d0804cc241eb887bb8d4d9b3b9881c64a, http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=232cd35d0804cc241eb887bb8d4d9b3b9881c64a, https://github.com/torvalds/linux/commit/232cd35d0804cc241eb887bb8d4d9b3b9881c64a, https://patchwork.ozlabs.org/patch/764880/, https://ubuntu.com/security/notices/USN-3342-1, https://ubuntu.com/security/notices/USN-3343-1, https://ubuntu.com/security/notices/USN-3344-1, https://ubuntu.com/security/notices/USN-3344-2, https://ubuntu.com/security/notices/USN-3345-1, https://ubuntu.com/security/notices/USN-3343-2, https://ubuntu.com/security/notices/USN-3342-2, https://www.cve.org/CVERecord?id=CVE-2017-9242

    Affected packages

    Package

    Name: linux

    Purl: pkg:deb/ubuntu/linux?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.13.0-123.172

    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-2017-9242 | CVE-DB