Uninitialized Value Vulnerability in Linux Kernel Package: linux (Debian 13 & 14)
Summary
DEBIAN-CVE-2024-53083: In the Linux kernel, the following vulnerability has been resolved: usb: typec: qcom-pmic: init value of hdr_len/txbuf_len earlier If the read of USB_PDPHY_RX_ACKNOWLEDGE_REG failed, then hdr_len and txbuf_len are uninit... Affects linux versions < 6.11.9-1. Fixed in 6.11.9-1. How to fix ↓
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Background
The Linux kernel is a core component of the Debian operating system, providing essential services for hardware management, system calls, and process management. It is widely used across various platforms and is known for its stability and performance. However, like any software, it is susceptible to vulnerabilities that can affect system security and functionality.
Vulnerability Detail
In the Linux kernel, a vulnerability has been identified in the USB Type-C Qualcomm PMIC driver. Specifically, if the read operation of the USB_PDPHY_RX_ACKNOWLEDGE_REG fails, the variables hdr_len and txbuf_len remain uninitialized. This can lead to the printing of misleading or false data, potentially compromising the integrity of the system's USB communication. The issue arises from improper handling of error conditions, which can have ramifications for devices relying on USB connections.
How To Fix
Minimum fixed version
6.11.9-1
This is the first release that contains the fix.
sudo apt-get install --only-upgrade linuxTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
Currently, there are no specific workarounds provided for this vulnerability. It is advisable to apply the patch as soon as it becomes available to mitigate any potential risks.
Conclusion
The vulnerability identified in the Linux kernel's USB Type-C driver poses a risk due to uninitialized variables that can lead to misleading data. It is crucial for users to update their systems to the patched version to ensure security and proper functionality.
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FAQ
The vulnerability involves uninitialized variables in the USB Type-C driver of the Linux kernel, which can lead to misleading data being printed.
You can use the Vulert platform to monitor and alert for open-source vulnerabilities in your software. Visit Vulert Scanner to check if your application is affected.
The main risk is the potential for misleading data to be reported, which could affect the operation of USB devices connected to the system.
Yes, a patch is available in version 6.11.9-1 of the linux package. It is recommended to update to this version.
While there are no specific workarounds, it is important to monitor the situation and apply the patch as soon as possible to mitigate risks.
References
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