Use-after-free vulnerability in media: davinci: vpif driver
Summary
GSD-2022-1001591: media: davinci: vpif: fix use-after-free on driver unbind. Affects Kernel versions >= 479f7a1181058689435baddc16a6a42e1a8ff0e8, < b5a3bb7f6f164eb6ee74ef4898dcd019b2063448. No fix is published. How to fix ↓
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Background
The media: davinci: vpif driver is a component of the Linux Kernel that provides support for video capture and display on Texas Instruments DaVinci platforms. It is responsible for managing the Video Port Interface (VPIF) hardware. The vulnerability identified in this driver is a use-after-free issue that occurs during the driver unbind process.
Vulnerability Detail
The use-after-free vulnerability in the media: davinci: vpif driver allows an attacker to exploit a freed memory region, potentially leading to a crash or arbitrary code execution. This vulnerability can be triggered when the driver is unbound, causing a use-after-free condition. An attacker with local access to the system can leverage this vulnerability to escalate privileges or crash the system.
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 essential to apply the provided fix by updating the Linux Kernel to the recommended version.
Conclusion
The use-after-free vulnerability in the media: davinci: vpif driver poses a risk of system crashes and potential privilege escalation. It is crucial to update the Linux Kernel to the recommended version to mitigate this vulnerability. For additional support, please reach out to DevNack.com.
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FAQ
This vulnerability can potentially lead to a system crash or allow an attacker to execute arbitrary code with elevated privileges.
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 any open-source vulnerabilities, including this one.
No, this vulnerability requires local access to the system to be exploited.
There are no known instances of this vulnerability being exploited in the wild at this time.
For further support on vulnerability remediation, you can contact info@devnack.com.
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