VYPR
Unrated severityNVD Advisory· Published Oct 21, 2024· Updated Nov 3, 2025

drivers/perf: Fix ali_drw_pmu driver interrupt status clearing

CVE-2024-47731

Description

In the Linux kernel, the following vulnerability has been resolved:

drivers/perf: Fix ali_drw_pmu driver interrupt status clearing

The alibaba_uncore_pmu driver forgot to clear all interrupt status in the interrupt processing function. After the PMU counter overflow interrupt occurred, an interrupt storm occurred, causing the system to hang.

Therefore, clear the correct interrupt status in the interrupt handling function to fix it.

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Affected products

73

Patches

Vulnerability mechanics

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