QEMU Security Update - Multiple Vulnerabilities
Summary
DLA-1129-1: qemu - security update. Affects qemu versions < 1.1.2+dfsg-6+deb7u24. Fixed in 1.1.2+dfsg-6+deb7u24. How to fix ↓
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Background
QEMU is a fast processor emulator that allows users to run operating systems and programs designed for one machine on a different machine. It provides full system emulation for various architectures and can also be used for virtualization. QEMU is widely used in virtualization solutions and cloud computing platforms.
Vulnerability Detail
Multiple vulnerabilities have been discovered in QEMU. The first vulnerability, identified as CVE-2017-14167, is related to incorrect validation of multiboot headers, which could lead to the execution of arbitrary code. The second vulnerability, CVE-2017-15038, affects QEMU when using 9pfs and can result in an information disclosure issue. This vulnerability occurs while accessing extended attributes of a file due to a race condition, potentially exposing heap memory contents of the host.
How To Fix
Minimum fixed version
1.1.2+dfsg-6+deb7u24
This is the first release that contains the fix.
sudo apt-get install --only-upgrade qemuTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Conclusion
Multiple vulnerabilities have been discovered in QEMU, including the execution of arbitrary code and information disclosure. It is crucial to upgrade to the latest version of QEMU (1.1.2+dfsg-6+deb7u24 or later) to mitigate these vulnerabilities. For further support on vulnerability remediation, you can contact DevNack.com.
See every vulnerability recorded for qemu →
FAQ
QEMU is a fast processor emulator that allows running operating systems and programs designed for one machine on a different machine. It provides full system emulation for various architectures and can also be used for virtualization.
There are two vulnerabilities in QEMU. The first vulnerability (CVE-2017-14167) is related to incorrect validation of multiboot headers, which could lead to the execution of arbitrary code. The second vulnerability (CVE-2017-15038) affects QEMU when using 9pfs and can result in an information disclosure issue.
The first vulnerability (CVE-2017-14167) could allow an attacker to execute arbitrary code on the system. The second vulnerability (CVE-2017-15038) could lead to an information disclosure, potentially exposing heap memory contents of the host.
To fix these vulnerabilities, it is recommended to upgrade your QEMU packages to version 1.1.2+dfsg-6+deb7u24 or later. Follow the instructions provided by Debian LTS security advisories to apply the updates.
No specific workaround has been mentioned for these vulnerabilities. It is recommended to upgrade to the latest version of QEMU to ensure the vulnerabilities are patched.
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