QEMU - Security Update (DLA-540-1)
Summary
DLA-540-1: qemu - security update. Affects qemu versions < 1.1.2+dfsg-6a+deb7u13. Fixed in 1.1.2+dfsg-6a+deb7u13. 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 virtualization capabilities and is commonly used in cloud computing environments. QEMU supports various architectures and devices, making it a versatile tool for virtualization and emulation purposes. However, several vulnerabilities have been discovered in QEMU that could potentially be exploited by malicious actors.
Vulnerability Detail
The discovered vulnerabilities in QEMU include:
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CVE-2016-3710: An out-of-bounds read and write flaw in the QEMU VGA module. A privileged guest user could exploit this flaw to execute arbitrary code on the host with the privileges of the hosting QEMU process.
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CVE-2016-3712: Potential integer overflow or out-of-bounds read access issues in the QEMU VGA module. A privileged guest user could exploit this flaw to mount a denial of service attack, causing the QEMU process to crash.
How To Fix
Minimum fixed version
1.1.2+dfsg-6a+deb7u13
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 →
Workaround
No specific workaround has been mentioned for these vulnerabilities.
Conclusion
QEMU has been found to have vulnerabilities that could allow privileged guest users to execute arbitrary code or mount denial of service attacks. It is crucial to update your QEMU packages to the recommended version 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 users to run operating systems and programs designed for one machine on a different machine.
CVE-2016-3710 allows a privileged guest user to execute arbitrary code on the host with the privileges of the hosting QEMU process.
CVE-2016-3712 allows a privileged guest user to mount a denial of service attack, causing the QEMU process to crash.
To fix these vulnerabilities, upgrade your QEMU packages to version 1.1.2+dfsg-6a+deb7u13 or later.
You can find more information about Debian LTS security advisories, including how to apply updates and frequently asked questions, at https://wiki.debian.org/LTS.
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