CVE-2024-47731 Information

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.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Reference

https://git.kernel.org/stable/c/24f30b34ff76648d26872dd4eaa002f074225058 https://git.kernel.org/stable/c/3b839d4619042b02eecdfc986484ac6e6be6acbf https://git.kernel.org/stable/c/062b7176e484678b2c9072d28fbecea47846b274 https://git.kernel.org/stable/c/85702fddba70d2b63f5646793d77de2ad4fc3784 https://git.kernel.org/stable/c/a3dd920977dccc453c550260c4b7605b280b79c3

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.5