Use After Free Vulnerability in media: atomisp
Summary
GSD-2021-1000370: media: atomisp: Fix use after free in atomisp_alloc_css_stat_bufs(). Affects Kernel versions >= ad85094b293e40e7a2f831b0311a389d952ebd5e, < d218c7a0284f6b92a7b82d2e19706e18663b4193. No fix is published. How to fix ↓
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Background
The media: atomisp package is a component of the Linux Kernel that provides support for Intel Atom Image Signal Processor (ISP) devices. It is responsible for handling image and video processing tasks. The atomisp_alloc_css_stat_bufs() function in this package is vulnerable to a use after free issue.
Vulnerability Detail
The use after free vulnerability in atomisp_alloc_css_stat_bufs() occurs when the function attempts to allocate memory for CSS statistics buffers but fails to properly handle the deallocation of previously allocated memory. This can lead to a situation where the function continues to reference freed memory, potentially resulting in a crash or the execution of arbitrary code by an attacker.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
There is no known workaround for this vulnerability. It is necessary to apply the provided fix by updating the Linux Kernel.
Conclusion
The use after free vulnerability in media: atomisp's atomisp_alloc_css_stat_bufs() function can lead to potential code execution or system crashes. It is crucial to update the Linux Kernel to version v5.10.37 or later to fix this vulnerability. No known workarounds exist, and it is recommended to apply the provided fix as soon as possible. For additional support, contact DevNack.com.
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FAQ
This vulnerability can potentially allow an attacker to execute arbitrary code or cause a crash in systems using the affected version of the Linux Kernel.
You can use the Vulert Playground at Vulert Scanner to check if your system is affected by this vulnerability. Simply upload your package-lock.json file to the playground and it will provide real-time alerts for open-source vulnerabilities.
At the time of this report, there are no known exploits for this vulnerability. However, it is important to apply the fix as soon as possible to mitigate any potential risks.
Yes, this vulnerability can be exploited remotely if an attacker is able to send specially crafted requests to a vulnerable system.
For further support on vulnerability remediation, you can contact info@devnack.com. They can provide guidance and assistance in addressing this vulnerability.
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