Plugins Database As of 12-07-2019

RedHat Update for libvirt RHSA-2018:0030-01

Red Hat Local Security Checks
Impact by CVSS Score
  • ID: 1.3.6.1.4.1.25623.1.0.812605

CVSS Base Vector:
AV:L/AC:M/Au:N/C:C/I:N/A:N

Detection Type:
Linux Distribution Package

Summary:
The remote host is missing an update for the 'libvirt' Linux Distribution Package(s) announced via the referenced advisory.

Detection Method:
Checks if a vulnerable version is present on the target host.

Technical Details:
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): * An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of instructions (a commonly used performance optimization). There are three primary variants of the issue which differ in the way the speculative execution can be exploited. Variant CVE-2017-5715 triggers the speculative execution by utilizing branch target injection. It relies on the presence of a precisely-defined instruction sequence in the privileged code as well as the fact that memory accesses may cause allocation into the microprocessor's data cache even for speculatively executed instructions that never actually commit (retire). As a result, an unprivileged attacker could use this flaw to cross the syscall and guest/host boundaries and read privileged memory by conducting targeted cache side-channel attacks. (CVE-2017-5715) Note: This is the libvirt side of the CVE-2017-5715 mitigation. Red Hat would like to thank Google Project Zero for reporting this issue.

Affected Versions:
libvirt on Red Hat Enterprise Linux Desktop (v. 6), Red Hat Enterprise Linux Server (v. 6), Red Hat Enterprise Linux Workstation (v. 6)

Recommendations:
Please Install the Updated Packages.

Solution Type:
Vendor Patch

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Severity
Medium
CVSS Score
4.7
Published
2018-01-05 22:54:24
Modified
2018-11-23 08:28:21
CVE
CVE-2017-5715

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