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After the PMU counter overflow\ninterrupt occurred, an interrupt storm occurred, causing the system\nto hang.\n\nTherefore, clear the correct interrupt status in the interrupt handling\nfunction to fix it."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drivers/perf: Fix ali_drw_pmu driver interval clearing El controlador alibaba_uncore_pmu olvid\u00f3 borrar todos los estados de interrupci\u00f3n en la funci\u00f3n de procesamiento de interrupciones. Despu\u00e9s de que se produjo la interrupci\u00f3n por desbordamiento del contador de PMU, se produjo una tormenta de interrupciones, lo que provoc\u00f3 que el sistema se colgara. Por lo tanto, borre el estado de interrupci\u00f3n correcto en la funci\u00f3n de manejo de interrupciones para solucionarlo."}], "id": "CVE-2024-47731", "lastModified": "2026-06-17T07:57:38.690", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-47731", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-10-21T13:00:30.719959Z", "version": "2.0.3"}}]}, "published": "2024-10-21T13:15:03.260", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/062b7176e484678b2c9072d28fbecea47846b274"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/24f30b34ff76648d26872dd4eaa002f074225058"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3b839d4619042b02eecdfc986484ac6e6be6acbf"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/85702fddba70d2b63f5646793d77de2ad4fc3784"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a3dd920977dccc453c550260c4b7605b280b79c3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-459"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: drivers/perf: Fix ali_drw_pmu driver interrupt status clearing", "id": "2320197", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2320197"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-459", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ndrivers/perf: Fix ali_drw_pmu driver interrupt status clearing\nThe alibaba_uncore_pmu driver forgot to clear all interrupt status\nin the interrupt processing function. After the PMU counter overflow\ninterrupt occurred, an interrupt storm occurred, causing the system\nto hang.\nTherefore, clear the correct interrupt status in the interrupt handling\nfunction to fix it."], "name": "CVE-2024-47731", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-10-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-47731\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-47731\nhttps://lore.kernel.org/linux-cve-announce/2024102106-CVE-2024-47731-fd73@gregkh/T"], "threat_severity": "Moderate"}

{}