Overflow Check Vulnerability in drm/msm/submit Package
Summary
GSD-2021-1002091: drm/msm/submit: fix overflow check on 64-bit architectures. Affects Kernel versions >= 20224d715a882210428ea62bba93f1bc4a0afe23, < 00ba7a3951f4ea7c91b29e2bfbb3a4ecf72bf542. No fix is published. How to fix ↓
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Background
The drm/msm/submit package is a component of the Linux Kernel, which is responsible for managing the display and graphics subsystem on devices using Qualcomm Snapdragon processors. It provides the necessary functionality for submitting display buffers and controlling the display hardware. The package is widely used in various Linux-based operating systems and is critical for proper display functionality on devices.
Vulnerability Detail
The vulnerability in drm/msm/submit package arises from an incorrect overflow check on 64-bit architectures. This flaw can potentially be exploited by an attacker to trigger a buffer overflow, leading to arbitrary code execution or denial of service. The vulnerability was introduced in version v5.11 of the Linux Kernel and was fixed in version v5.14.14. The impact and attack plausibility of this vulnerability have not been proven yet, but it is crucial to address it to ensure the security and stability of systems using the affected package.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
As a workaround, users can consider implementing additional security measures such as restricting access to the affected package or applying system-level mitigations. However, these workarounds may not provide complete protection and should be seen as temporary solutions until the kernel update can be applied.
Conclusion
The overflow check vulnerability in the drm/msm/submit package of the Linux Kernel can pose significant risks to the security and stability of affected systems. It is crucial to promptly update the Linux Kernel to version v5.14.14 or later to mitigate this vulnerability. System administrators and users should follow best practices for updating and testing the kernel to ensure a secure environment. For further support and assistance in vulnerability remediation, you can contact DevNack.com.
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FAQ
The impact of this vulnerability can vary depending on the specific system and its configuration. In worst-case scenarios, an attacker could exploit the vulnerability to execute arbitrary code or cause a denial of service, potentially leading to system compromise or disruption of services.
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 in real-time to identify any open-source vulnerabilities, including this specific issue.
At the time of this report, there are no known exploits for this vulnerability. However, it is important to address it promptly to mitigate any potential risks.
The exact attack vector and exploitability of this vulnerability have not been proven yet. However, in general, vulnerabilities in critical components like the Linux Kernel can potentially be exploited remotely if the necessary conditions are met.
For more technical details and information about this vulnerability, you can refer to the vulnerability report in the GSD database at https://github.com/cloudsecurityalliance/gsd-database/blob/main/2021/1002xxx/GSD-2021-1002091.json.
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