What’s Vulnerable › Vulnerabilities

CVE-2024-47731: drivers/perf: Fix ali_drw_pmu driver interrupt status clearing

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-10-21 · updated 2026-06-17
• Weakness: CWE-459

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.

Affected products

• Linux kernel: from 6.1 before 6.1.113; from 6.2 before 6.6.54; from 6.7 before 6.10.13; from 6.11 before 6.11.2 — fixed in 6.1.113, 6.10.13, 6.11.2, 6.6.54

How to fix

Upgrade to a fixed version: Linux kernel 6.1.113, 6.10.13, 6.11.2, 6.6.54. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/062b7176e484678b2c9072d28fbecea47846b274
• https://git.kernel.org/stable/c/24f30b34ff76648d26872dd4eaa002f074225058
• https://git.kernel.org/stable/c/3b839d4619042b02eecdfc986484ac6e6be6acbf
• https://git.kernel.org/stable/c/85702fddba70d2b63f5646793d77de2ad4fc3784
• https://git.kernel.org/stable/c/a3dd920977dccc453c550260c4b7605b280b79c3
• https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html

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