Out of Bounds Write Vulnerability in Linux Kernel Packages: CVE-2016-10907
Summary
UBUNTU-CVE-2016-10907: An issue was discovered in drivers/iio/dac/ad5755.c in the Linux kernel before 4.8.6. There is an out of bounds write in the function ad5755_parse_dt. Affects linux versions 3.11.0-12.19 – 3.13.0-98.145. No fix is published. How to fix ↓
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Background
The Linux kernel is the core component of the Linux operating system, responsible for managing system resources and facilitating communication between hardware and software. It provides essential services such as process management, memory management, and device control. The kernel is modular, allowing for the addition of various functionalities through loadable modules. However, vulnerabilities in the kernel can lead to severe security risks, including unauthorized access and system crashes. CVE-2016-10907 is a specific vulnerability that affects several Linux kernel packages, particularly those related to the IIO (Industrial I/O) subsystem.
Vulnerability Detail
CVE-2016-10907 is an out of bounds write vulnerability found in the ad5755_parse_dt function within the drivers/iio/dac/ad5755.c file of the Linux kernel prior to version 4.8.6. This vulnerability allows an attacker to write beyond the allocated memory buffer, potentially leading to data corruption, system crashes, or arbitrary code execution. The issue arises from improper validation of input data, which can be exploited by malicious actors to gain elevated privileges or disrupt system operations.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
If immediate patching is not feasible, consider disabling the affected modules or restricting access to the kernel functionalities that utilize the vulnerable code. This may involve modifying system configurations to limit exposure until a proper update can be applied.
Conclusion
CVE-2016-10907 represents a significant security risk within the Linux kernel, necessitating immediate attention from system administrators and users. By updating to the latest patched versions of the affected packages and utilizing tools like Vulert for ongoing monitoring, users can mitigate the risks associated with this vulnerability.
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FAQ
CVE-2016-10907 is a vulnerability in the Linux kernel that allows for out of bounds writes, potentially leading to system instability or unauthorized access.
The vulnerability affects Linux kernel versions prior to 4.8.6, including specific packages like linux, linux-aws, linux-azure, and linux-lts-xenial.
You can use tools like Vulert, which monitors open-source vulnerabilities in your software. Visit Vulert Scanner to check your application without needing to sign up.
Exploitation of this vulnerability can lead to data corruption, system crashes, and unauthorized code execution, compromising system security.
It is recommended to regularly check for updates and apply them promptly, especially for critical security patches like those addressing CVE-2016-10907.
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