Executive Summary
Summary | |
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Title | qemu-kvm-rhev security, bug fix, and enhancement update |
Informations | |||
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Name | RHSA-2020:0730 | First vendor Publication | 2020-03-05 |
Vendor | RedHat | Last vendor Modification | 2020-03-05 |
Severity (Vendor) | N/A | Revision | 01 |
Security-Database Scoring CVSS v3
Cvss vector : CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H | |||
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Overall CVSS Score | 9.9 | ||
Base Score | 9.9 | Environmental Score | 9.9 |
impact SubScore | 6 | Temporal Score | 9.9 |
Exploitabality Sub Score | 3.1 | ||
Attack Vector | Network | Attack Complexity | Low |
Privileges Required | Low | User Interaction | None |
Scope | Changed | Confidentiality Impact | High |
Integrity Impact | High | Availability Impact | High |
Calculate full CVSS 3.0 Vectors scores |
Security-Database Scoring CVSS v2
Cvss vector : (AV:N/AC:L/Au:S/C:P/I:P/A:P) | |||
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Cvss Base Score | 6.5 | Attack Range | Network |
Cvss Impact Score | 6.4 | Attack Complexity | Low |
Cvss Expoit Score | 8 | Authentication | Requires single instance |
Calculate full CVSS 2.0 Vectors scores |
Detail
Problem Description: An update for qemu-kvm-rhev is now available for Red Hat Virtualization Engine 4.2. 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. 2. Relevant releases/architectures: RHV-M 4.2 - x86_64 3. Description: KVM (Kernel-based Virtual Machine) is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm-rhev packages provide the user-space component for running virtual machines that use KVM in environments managed by Red Hat products. Security Fix(es): * hw: TSX Transaction Asynchronous Abort (TAA) (CVE-2019-11135) * QEMU: block: iscsi: OOB heap access via an unexpected response of iSCSI Server (CVE-2020-1711) 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. Bug Fix(es): * [Intel 7.6.z Bug] [KVM][CLX] CPUID_7_0_EDX_ARCH_CAPABILITIES is not enabled in VM qemu-kvm-rhev (BZ#1730601) * qemu-kvm-rhev: backport cpuidle-haltpoll support (BZ#1746281) Enhancement(s): * [Intel 7.7 FEAT] MDS_NO exposure to guest - qemu-kvm-rhev (BZ#1743632) 4. Solution: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/2974891 After installing this update, shut down all running virtual machines. Once all virtual machines have shut down, start them again for this update to take effect. 5. Bugs fixed (https://bugzilla.redhat.com/): 1746281 - qemu-kvm-rhev: backport cpuidle-haltpoll support [rhel-7.6.z] 1753062 - CVE-2019-11135 hw: TSX Transaction Asynchronous Abort (TAA) 1794290 - CVE-2020-1711 QEMU: block: iscsi: OOB heap access via an unexpected response of iSCSI Server |
Original Source
Url : https://rhn.redhat.com/errata/RHSA-2020-0730.html |
CWE : Common Weakness Enumeration
% | Id | Name |
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100 % | CWE-787 | Out-of-bounds Write (CWE/SANS Top 25) |
CPE : Common Platform Enumeration
Alert History
Date | Informations |
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2020-05-23 13:03:45 |
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2020-03-19 13:20:05 |
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