3.3
CWE
119
Advisory Published
Updated

CVE-2018-20855: Buffer Overflow

First published: Fri Jul 26 2019(Updated: )

An issue was discovered in the Linux kernel before 4.18.7. In create_qp_common in drivers/infiniband/hw/mlx5/qp.c, mlx5_ib_create_qp_resp was never initialized, resulting in a leak of stack memory to userspace.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Linux Linux kernel<4.18.7
openSUSE Leap=15.0
openSUSE Leap=15.1
Netapp Active Iq Performance Analytics Services
Netapp Active Iq Unified Manager Vmware Vsphere>=9.5
Netapp Data Availability Services
Netapp Element Software

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Frequently Asked Questions

  • What is CVE-2018-20855?

    CVE-2018-20855 is a vulnerability in the Linux kernel before version 4.18.7 that could lead to a leak of stack memory to userspace.

  • How does CVE-2018-20855 affect Linux?

    CVE-2018-20855 affects Linux versions before 4.18.7, potentially exposing sensitive stack memory to userspace.

  • What is the severity of CVE-2018-20855?

    The severity of CVE-2018-20855 is low with a CVSS score of 3.3.

  • How can I fix CVE-2018-20855?

    To fix CVE-2018-20855, update your Linux kernel to version 4.18.7 or later.

  • Where can I find more information about CVE-2018-20855?

    You can find more information about CVE-2018-20855 at the following references: [link1](http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00055.html), [link2](http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00056.html), [link3](https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.18.7).

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