6 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
2.1 Low
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:N/I:N/A:P
0.002 Low
EPSS
Percentile
60.4%
CentOS Errata and Security Advisory CESA-2018:2162
Kernel-based Virtual Machine (KVM) is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm packages provide the user-space component for running virtual machines that use KVM.
Security Fix(es):
Note: This is the qemu-kvm side of the CVE-2018-3639 mitigation.
QEMU: cirrus: OOB access when updating VGA display (CVE-2018-7858)
QEMU: vga: OOB read access during display update (CVE-2017-13672)
Qemu: Out-of-bounds read in vga_draw_text routine (CVE-2018-5683)
For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.
Red Hat would like to thank Ken Johnson (Microsoft Security Response Center) and Jann Horn (Google Project Zero) for reporting CVE-2018-3639; Ross Lagerwall (Citrix.com) for reporting CVE-2018-7858; David Buchanan for reporting CVE-2017-13672; and Jiang Xin and Lin ZheCheng for reporting CVE-2018-5683.
Merged security bulletin from advisories:
https://lists.centos.org/pipermail/centos-announce/2018-July/085129.html
Affected packages:
qemu-guest-agent
qemu-img
qemu-kvm
qemu-kvm-tools
Upstream details at:
https://access.redhat.com/errata/RHSA-2018:2162
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
CentOS | 6 | i686 | qemu-guest-agent | < 0.12.1.2-2.506.el6_10.1 | qemu-guest-agent-0.12.1.2-2.506.el6_10.1.i686.rpm |
CentOS | 6 | x86_64 | qemu-guest-agent | < 0.12.1.2-2.506.el6_10.1 | qemu-guest-agent-0.12.1.2-2.506.el6_10.1.x86_64.rpm |
CentOS | 6 | x86_64 | qemu-img | < 0.12.1.2-2.506.el6_10.1 | qemu-img-0.12.1.2-2.506.el6_10.1.x86_64.rpm |
CentOS | 6 | x86_64 | qemu-kvm | < 0.12.1.2-2.506.el6_10.1 | qemu-kvm-0.12.1.2-2.506.el6_10.1.x86_64.rpm |
CentOS | 6 | x86_64 | qemu-kvm-tools | < 0.12.1.2-2.506.el6_10.1 | qemu-kvm-tools-0.12.1.2-2.506.el6_10.1.x86_64.rpm |
6 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
2.1 Low
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:N/I:N/A:P
0.002 Low
EPSS
Percentile
60.4%