video: fbdev: pxa3xx-gcu: release the resources correctly in pxa3xx_gcu_probe/remove() - Kernel
Summary
GSD-2022-1003832: video: fbdev: pxa3xx-gcu: release the resources correctly in pxa3xx_gcu_probe/remove(). Affects Kernel versions < 3f55b80f76353d51771d2b87445eff3626639d0a. No fix is published. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Habilume
Habit tracker with a companion that grows with you
Complete habits, earn Lume Points, and watch your Lume grow as you stay consistent.
Background
The Kernel is a critical component of the Linux operating system that provides core functionality and interfaces with hardware devices. It manages system resources, including memory, processes, and input/output operations. The pxa3xx-gcu driver is responsible for handling graphics operations on PXA3xx-based devices. It utilizes the framebuffer device (fbdev) subsystem to provide a generic interface for user-space applications to access the graphics hardware. However, a vulnerability has been identified in the pxa3xx-gcu driver that can lead to incorrect resource release during the probe and removal process.
Vulnerability Detail
The vulnerability in the pxa3xx-gcu driver occurs when releasing resources during the probe and removal process. If not handled correctly, this can result in resource leaks and potential system instability. An attacker may be able to exploit this vulnerability to cause a denial-of-service condition or potentially execute arbitrary code with elevated privileges. The vulnerability has been fixed in Linux Kernel version v4.19.247 by commit 3f55b80f76353d51771d2b87445eff3626639d0a.
How To Fix
No fixed version is published for this vulnerability.
Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →
Workaround
There is no known workaround for this vulnerability. It is recommended to apply the fix mentioned in the 'how_to_fix' section.
Conclusion
The pxa3xx-gcu driver in the Kernel is vulnerable to resource leaks and potential system instability due to incorrect resource release during the probe and removal process. It is crucial to update the Linux Kernel to version v4.19.247 or later to mitigate this vulnerability. Users can also utilize the Vulert Playground to check if their system is affected and apply the necessary fixes. For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for Kernel →
FAQ
This vulnerability can lead to resource leaks and potential system instability. An attacker may be able to cause a denial-of-service condition or 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 manifest file (e.g., package-lock.json) and Vulert will analyze it for open-source vulnerabilities, including this one.
Yes, a patch is available in Linux Kernel version v4.19.247. Applying this patch will fix the vulnerability.
Updating the Kernel is the recommended solution to mitigate the risk. However, if updating is not feasible, you can consider implementing additional security measures, such as restricting access to the affected driver or implementing intrusion detection systems to monitor for potential exploitation attempts.
This vulnerability was discovered by an automated security analysis tool and reported to the Linux Kernel security team.
Related vulnerabilities
Recent vulnerabilities recorded for Kernel.
Habilume
Habit tracker with a companion that grows with you
Complete habits, earn Lume Points, and watch your Lume grow as you stay consistent.
