Use-after-free vulnerability in media: davinci: vpif driver in Linux Kernel
Summary
GSD-2022-1001285: media: davinci: vpif: fix use-after-free on driver unbind. Affects Kernel versions >= 479f7a1181058689435baddc16a6a42e1a8ff0e8, < 9ffc602e14d7b9f7e7cb2f67e18dfef9ef8af676. 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 playback on Texas Instruments DaVinci platforms. It is responsible for managing the Video Port Interface (VPIF) subsystem, which handles video data transfer between the hardware and software. This vulnerability affects versions of the Linux Kernel starting from v4.13 and was fixed in v5.17.2.
Vulnerability Detail
The use-after-free vulnerability in the media: davinci: vpif driver occurs during the unbinding process of the driver. When the driver is unbound, a use-after-free bug can be triggered, leading to potential security issues. An attacker may be able to exploit this vulnerability to execute arbitrary code or cause a denial-of-service condition. The vulnerability was introduced in version v4.13 of the Linux Kernel and was fixed in version v5.17.2.
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 recommended to apply the fix by updating the Linux Kernel to the latest version.
Conclusion
The use-after-free vulnerability in the media: davinci: vpif driver in the Linux Kernel can potentially allow an attacker to execute arbitrary code or cause a denial-of-service condition. It is crucial to update the Linux Kernel to version v5.17.2 or later to mitigate this vulnerability. Regularly updating the kernel is recommended to ensure the latest security patches are applied. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
This vulnerability can potentially allow an attacker to execute arbitrary code or cause a denial-of-service condition on a system running an 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 and Vulert will analyze it for any open-source vulnerabilities, including this one.
At the time of this report, there are no known public exploits specifically targeting this vulnerability. However, it is always recommended to apply security patches promptly to mitigate any potential risks.
This vulnerability requires local access to the system in order to exploit it. However, if an attacker gains local access, they may be able to exploit this vulnerability to execute arbitrary code or cause a denial-of-service condition.
For more details about this vulnerability, including the specific code changes that fix it, you can refer to the vulnerability report on the GSD Database at https://github.com/cloudsecurityalliance/gsd-database/blob/main/2022/1001xxx/GSD-2022-1001285.json.
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