CVE-2013-7445: linux-libc-dev - Memory Exhaustion via Crafted GEM Objects
Summary
CVE-2013-7445: The Direct Rendering Manager (DRM) subsystem in the Linux kernel through 4.x mishandles requests for Graphics Execution Manager (GEM) objects, which allows context-dependent attackers to cause a denial of service (memory... Affects linux versions 5.10.103-1 – 6.9.9-1. No fix is published. How to fix ↓
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Background
linux-libc-dev is a package in the Debian operating system that provides the C library headers for the Linux kernel. These headers are necessary for compiling and linking programs that use kernel services. The package is an essential component for developers and system administrators working on Debian-based systems. However, the linux-libc-dev package is vulnerable to a memory exhaustion vulnerability when handling requests for Graphics Execution Manager (GEM) objects in the Direct Rendering Manager (DRM) subsystem of the Linux kernel.
Vulnerability Detail
The vulnerability, identified as CVE-2013-7445, arises due to the mishandling of requests for GEM objects in the DRM subsystem. This flaw allows context-dependent attackers to cause a denial of service by consuming excessive memory. An attacker can exploit this vulnerability by executing an application that processes graphics data, such as JavaScript code that creates numerous CANVAS elements for rendering in web browsers like Chrome or Firefox. The excessive memory consumption triggered by the malicious code can lead to system instability or crashes.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
No specific workaround has been mentioned for this vulnerability.
Conclusion
The linux-libc-dev package in Debian is vulnerable to a memory exhaustion vulnerability when handling requests for GEM objects in the DRM subsystem. This can be exploited by attackers to cause a denial of service by consuming excessive memory. It is crucial to keep the linux-libc-dev package up to date with the latest patches provided by the Debian Security Tracker to mitigate the risk of this vulnerability. For further support and assistance in vulnerability remediation, please contact DevNack.com.
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FAQ
linux-libc-dev is a package in the Debian operating system that provides the C library headers for the Linux kernel. These headers are necessary for compiling and linking programs that use kernel services.
The vulnerability allows context-dependent attackers to cause a denial of service by consuming excessive memory. This can lead to system instability or crashes.
An attacker can exploit this vulnerability by executing an application that processes graphics data, such as JavaScript code that creates numerous CANVAS elements for rendering in web browsers like Chrome or Firefox.
Yes, it is recommended to update the linux-libc-dev package to a version that includes the necessary patches. The Debian Security Tracker provides updates and patches for vulnerable packages.
No specific workarounds have been mentioned for this vulnerability.
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