CVE-2024-47731: drivers/perf: Fix ali_drw_pmu driver interrupt status clearing
In the Linux kernel, the following vulnerability has been resolved:
drivers/perf: Fix alidrwpmu driver interrupt status clearing
The alibabauncorepmu 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.
Other sources
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— Launchpad
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2024-47731?
CVE-2024-47731 has been classified with a moderate severity level due to potential performance degradation.
How do I fix CVE-2024-47731?
To fix CVE-2024-47731, users should update their Linux kernel to a version that includes the fix from the latest stable release.
Which Linux kernel versions are affected by CVE-2024-47731?
CVE-2024-47731 affects Linux kernel versions from 6.1 to 6.11.2, excluding other versions.
What type of vulnerability is CVE-2024-47731?
CVE-2024-47731 is a performance-related vulnerability primarily affecting the ali_drw_pmu driver.
Is there a known exploit for CVE-2024-47731?
As of now, there are no known public exploits specifically targeting CVE-2024-47731.