Serial Blockage in Qualcomm Platforms Affects Linux Kernel Performance
CVE-2025-40108
What is CVE-2025-40108?
A significant vulnerability was identified in the Linux kernel associated with the qcom-geni serial driver. This issue resulted in blocked tasks during the normal boot process on Qualcomm platforms, specifically the RB1 board (QRB2210). The root cause stemmed from a flawed commit that enabled PM runtime, which led to tasks becoming unresponsive for extended periods. The problem was first reported on August 12, and despite attempts to resolve it, the initial patches failed. This situation underscores the importance of continuous monitoring and reliable fixes for kernel drivers to ensure stable system performance.
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Affected Version(s)
Linux 1afa70632c390488308d8e94e037df6895a3e1ac < 1e810d81769e16637bcd845ba37fbc1eba5d4bd2
Linux 1afa70632c390488308d8e94e037df6895a3e1ac
Linux 6.17