Synopsis
Important: virt:rhel security update
Type/Severity
Security Advisory: Important
Topic
An update for the virt:rhel module is now available for Red Hat Enterprise Linux 8.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Description
The libvirt library contains a C API for managing and interacting with the virtualization capabilities of Linux and other operating systems. In addition, libvirt provides tools for remote management of virtualized systems.
Security Fix(es):
- libvirt: arbitrary file read/exec via virDomainSaveImageGetXMLDesc API (CVE-2019-10161)
- libvirt: virDomainManagedSaveDefineXML API exposed to readonly clients (CVE-2019-10166)
- libvirt: arbitrary command execution via virConnectGetDomainCapabilities API (CVE-2019-10167)
- libvirt: arbitrary command execution via virConnectBaselineHypervisorCPU and virConnectCompareHypervisorCPU APIs (CVE-2019-10168)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Solution
For details on how to apply this update, which includes the changes described in this advisory, refer to:
https://access.redhat.com/articles/11258
Affected Products
-
Red Hat Enterprise Linux for x86_64 8 x86_64
-
Red Hat Enterprise Linux for IBM z Systems 8 s390x
-
Red Hat Enterprise Linux for Power, little endian 8 ppc64le
-
Red Hat Enterprise Linux for ARM 64 8 aarch64
Fixes
- BZ - 1720114 - CVE-2019-10166 libvirt: virDomainManagedSaveDefineXML API exposed to readonly clients
- BZ - 1720115 - CVE-2019-10161 libvirt: arbitrary file read/exec via virDomainSaveImageGetXMLDesc API
- BZ - 1720117 - CVE-2019-10167 libvirt: arbitrary command execution via virConnectGetDomainCapabilities API
- BZ - 1720118 - CVE-2019-10168 libvirt: arbitrary command execution via virConnectBaselineHypervisorCPU and virConnectCompareHypervisorCPU APIs
CVEs
References
Vulmon