CVE-2023-52586: linux-libc-dev - kernel: drm/msm/dpu: Add mutex lock in control vblank irq
Summary
CVE-2023-52586: In the Linux kernel, the following vulnerability has been resolved: drm/msm/dpu: Add mutex lock in control vblank irq Add a mutex lock to control vblank irq to synchronize vblank enable/disable operations happening from... Affects linux versions 5.10.103-1 – 6.9.9-1. No fix is published. How to fix ↓
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Background
linux-libc-dev is a package that provides the Linux kernel headers for development. It includes the necessary files and definitions for building kernel modules and user-space programs that interact with the kernel. The package is an essential component for compiling and running Linux kernel-related software. However, a vulnerability has been discovered in the package that could lead to race conditions while registering/unregistering the vblank irq callback.
Vulnerability Detail
The vulnerability in linux-libc-dev is related to the drm/msm/dpu component of the Linux kernel. It arises from the lack of a mutex lock to control the vblank irq, which can result in race conditions when multiple threads attempt to enable/disable vblank operations. This vulnerability could potentially be exploited by an attacker to cause denial of service, escalate privileges, or execute arbitrary code. The vulnerability has been assigned a CVSS score of 6.7, indicating a medium severity level.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
No workaround has been provided for this vulnerability. It is advised to update the linux-libc-dev package to the latest version as soon as possible.
Conclusion
In conclusion, the linux-libc-dev package is vulnerable to a race condition issue in the drm/msm/dpu component of the Linux kernel. This vulnerability can be mitigated by updating the package to version 6.1.90-1 or later. It is important to promptly apply the update to ensure the security and stability of systems using this package. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
linux-libc-dev is a package that provides the Linux kernel headers for development. It includes the necessary files and definitions for building kernel modules and user-space programs that interact with the kernel.
The vulnerability can lead to race conditions while registering/unregistering the vblank irq callback. This could potentially be exploited by an attacker to cause denial of service, escalate privileges, or execute arbitrary code.
The CVSS score of this vulnerability is 6.7, indicating a medium severity level.
To fix this vulnerability, it is recommended to update the linux-libc-dev package to version 6.1.90-1 or later.
No workaround has been provided for this vulnerability. It is advised to update the linux-libc-dev package to the latest version as soon as possible.
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