Vulnerability in Kernel: Fix count check in rproc_coredump_write()
Summary
GSD-2022-1001925: remoteproc: Fix count check in rproc_coredump_write(). Affects Kernel versions >= 3afdc59e4390487f04f2435b7e8a6289984e0a1e, < 34afac3c75fa08d6fabbab4c93f0a90618afaaa6. No fix is published. How to fix ↓
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Background
The Kernel is a fundamental component of the Linux operating system that provides essential services and interfaces between hardware and software. It manages system resources, facilitates communication between processes, and enables the execution of applications. The vulnerability in question affects the Kernel's remoteproc module, specifically the rproc_coredump_write() function.
Vulnerability Detail
The vulnerability arises from a flawed count check in the rproc_coredump_write() function of the Kernel's remoteproc module. This flaw could potentially be exploited by an attacker to cause a denial-of-service (DoS) condition or execute arbitrary code with elevated privileges. The vulnerability was introduced in version v5.9 of the Linux Kernel and has been fixed in version v5.15.33.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
There is no specific workaround mentioned for this vulnerability.
Conclusion
In conclusion, the vulnerability in the Kernel's remoteproc module could potentially lead to a denial-of-service (DoS) condition or enable arbitrary code execution with elevated privileges. It is crucial to update the Linux Kernel to version v5.15.33 or later to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The vulnerability could potentially lead to a denial-of-service (DoS) condition or enable an attacker to execute arbitrary code with elevated privileges.
You can use the Vulert Playground (https://vulert.com/scanner) to check if your system is affected by this vulnerability. Simply upload your package-lock.json file and the tool will provide real-time alerts for open-source vulnerabilities.
Yes, a patch has been released in version v5.15.33 of the Linux Kernel. It is recommended to update to this version or a later one to mitigate the vulnerability.
Yes, this vulnerability can be exploited remotely if the affected system is exposed to malicious actors.
There are no known instances of this vulnerability being exploited in the wild at the time of this report.
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