UBUNTU-CVE-2018-7492

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    UBUNTU-CVE-2018-7492

    Published: 26 Feb 2018Last Modified: 26 Aug 2026
    Upstream:
    CVE-2018-7492
    Aliases:
    USN-3619-1
    USN-3619-2
    USN-3674-1

    Summary:

    Details: A NULL pointer dereference was found in the net/rds/rdma.c __rds_rdma_map() function in the Linux kernel before 4.14.7 allowing local attackers to cause a system panic and a denial-of-service, related to RDS_GET_MR and RDS_GET_MR_FOR_DEST.

    References: https://ubuntu.com/security/CVE-2018-7492, http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f3069c6d33f6ae63a1668737bc78aaaa51bff7ca, https://bugzilla.redhat.com/show_bug.cgi?id=1527393, https://github.com/torvalds/linux/commit/f3069c6d33f6ae63a1668737bc78aaaa51bff7ca, https://patchwork.kernel.org/patch/10096441/, https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.7, https://xorl.wordpress.com/2017/12/18/linux-kernel-rdma-null-pointer-dereference/, https://ubuntu.com/security/notices/USN-3619-1, https://ubuntu.com/security/notices/USN-3619-2, https://ubuntu.com/security/notices/USN-3677-1, https://ubuntu.com/security/notices/USN-3677-2, https://ubuntu.com/security/notices/USN-3674-1, https://ubuntu.com/security/notices/USN-3674-2, https://www.cve.org/CVERecord?id=CVE-2018-7492

    Affected packages

    Package

    Name: linux

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.13.0-151.201

    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