CVE-2018-1059
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Description
The DPDK vhost-user interface does not check to verify that all the requested guest physical range is mapped and contiguous when performing Guest Physical Addresses to Host Virtual Addresses translations. This may lead to a malicious guest exposing vhost-user backend process memory.
Statement
Red Hat OpenStack Platform versions 7 to 9 provided openvswitch-dpdk as a technical preview for customers, it was provided without support and is not intended on being deployed in production.
Red Hat Ceph Storage version 3 provides ceph bundled with DPDK as a technical preview for customers. It was provided without support and is not intended on being deployed in production.
Additional information
- Bugzilla 1544298: dpdk: Information exposure in unchecked guest physical to host virtual address translations
- CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
- FAQ: Frequently asked questions about CVE-2018-1059
Common Vulnerability Scoring System (CVSS) Score Details
Important note
CVSS scores for open source components depend on vendor-specific factors (e.g. version or build chain). Therefore, Red Hat's score and impact rating can be different from NVD and other vendors. Red Hat remains the authoritative CVE Naming Authority (CNA) source for its products and services (see Red Hat classifications).
Red Hat | NVD | |
---|---|---|
CVSS v3 Base Score | 6.1 | 6.1 |
Attack Vector | Adjacent Network | Adjacent Network |
Attack Complexity | High | High |
Privileges Required | None | None |
User Interaction | None | None |
Scope | Changed | Changed |
Confidentiality Impact | High | High |
Integrity Impact | None | None |
Availability Impact | None | None |
CVSS v3 Vector
Red Hat: CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N
NVD: CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N
Acknowledgements
This issue was discovered by Maxime Coquelin (Red Hat).
Frequently Asked Questions
Why is Red Hat's CVSS v3 score or Impact different from other vendors?
My product is listed as "Under investigation" or "Affected", when will Red Hat release a fix for this vulnerability?
What can I do if my product is listed as "Will not fix"?
What can I do if my product is listed as "Fix deferred"?
What is a mitigation?
I have a Red Hat product but it is not in the above list, is it affected?
Why is my security scanner reporting my product as vulnerable to this vulnerability even though my product version is fixed or not affected?
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