Executive Summary
Summary | |
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Title | qemu-kvm security update |
Informations | |||
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Name | RHSA-2020:0775 | First vendor Publication | 2020-03-10 |
Vendor | RedHat | Last vendor Modification | 2020-03-10 |
Severity (Vendor) | N/A | Revision | 01 |
Security-Database Scoring CVSS v3
Cvss vector : N/A | |||
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Overall CVSS Score | NA | ||
Base Score | NA | Environmental Score | NA |
impact SubScore | NA | Temporal Score | NA |
Exploitabality Sub Score | NA | ||
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) | |||
---|---|---|---|
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 is now available for Red Hat Enterprise Linux 6. 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: Red Hat Enterprise Linux Desktop (v. 6) - i386, x86_64 Red Hat Enterprise Linux HPC Node (v. 6) - x86_64 Red Hat Enterprise Linux Server (v. 6) - i386, ppc64, x86_64 Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64 3. Description: 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): * QEMU: slirp: heap buffer overflow during packet reassembly (CVE-2019-14378) * QEMU: slirp: OOB buffer access while emulating tcp protocols in tcp_emu() (CVE-2020-7039) * QEMU: Slirp: use-after-free during packet reassembly (CVE-2019-15890) 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. 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/11258 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/): 1734745 - CVE-2019-14378 QEMU: slirp: heap buffer overflow during packet reassembly 1749716 - CVE-2019-15890 QEMU: Slirp: use-after-free during packet reassembly 1791551 - CVE-2020-7039 QEMU: slirp: OOB buffer access while emulating tcp protocols in tcp_emu() |
Original Source
Url : https://rhn.redhat.com/errata/RHSA-2020-0775.html |
CWE : Common Weakness Enumeration
% | Id | Name |
---|---|---|
50 % | CWE-787 | Out-of-bounds Write (CWE/SANS Top 25) |
25 % | CWE-755 | Improper Handling of Exceptional Conditions |
25 % | CWE-416 | Use After Free |
CPE : Common Platform Enumeration
Type | Description | Count |
---|---|---|
Application | 3 | |
Application | 2 | |
Os | 2 | |
Os | 1 |
Alert History
Date | Informations |
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2020-03-19 13:20:06 |
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