CVE-2024-47731
drivers/perf: Fix ali_drw_pmu driver interrupt status clearing
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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
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory 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
References (6)
SSVC — Action Prioritization
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
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