2024-11-27
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This article describes a vulnerability (CVE-2024-53083) in the Linux kernel related to the USB Type-C (typec) subsystem and Qualcomm PMIC (qcom-pmic) driver. The issue arises when reading the USB_PDPHY_RX_ACKNOWLEDGE_REG register fails, leading to uninitialized values for variables `hdr_len` and `txbuf_len`. This could potentially result in printing misleading or incorrect data.
Vulnerability Details:
Platform: Linux Kernel
Version: Not specified
Vulnerability: Uninitialized variable (hdr_len, txbuf_len)
Severity: Medium
Date: November 19, 2024 (Published), November 27, 2024 (Last Modified)
What Undercode Says:
This vulnerability seems to be related to a coding issue within the Linux kernel driver for Qualcomm PMICs used with USB Type-C ports. If a specific register read operation fails, two variables used for data handling remain uninitialized. While the article doesn’t mention any specific exploit, uninitialized variables can lead to unpredictable program behavior and potentially be exploited for malicious purposes.
It’s important to stay updated with the latest security patches for your Linux kernel version. Consult your distribution’s security advisories for specific updates addressing this vulnerability (CVE-2024-53083).
References:
Reported By: Nvd.nist.gov
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