UBUNTU-CVE-2017-17053

    Dashboard / Vulnerabilities / UBUNTU-CVE-2017-17053

    UBUNTU-CVE-2017-17053

    Published: 29 Nov 2017Last Modified: 24 Oct 2025
    Upstream:
    CVE-2017-17053

    Summary:

    Details: The init_new_context function in arch/x86/include/asm/mmu_context.h in the Linux kernel before 4.12.10 does not correctly handle errors from LDT table allocation when forking a new process, allowing a local attacker to achieve a use-after-free or possibly have unspecified other impact by running a specially crafted program. This vulnerability only affected kernels built with CONFIG_MODIFY_LDT_SYSCALL=y.

    References: https://ubuntu.com/security/CVE-2017-17053, http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ccd5b3235180eef3cfec337df1c8554ab151b5cc, https://github.com/torvalds/linux/commit/ccd5b3235180eef3cfec337df1c8554ab151b5cc, https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.12.10, https://www.cve.org/CVERecord?id=CVE-2017-17053

    Affected packages

    Package

    Name: linux-azure

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -4.13.0-1005.7

    Affected versions

    4.11.0-1009.9
    4.11.0-1011.11
    4.11.0-1013.13
    4.11.0-1014.14
    4.11.0-1015.15
    4.11.0-1016.16

    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