CVE-2024-56550

{"id": "CVE-2024-56550", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2024-12-27T15:15:13.737", "references": [{"url": "https://git.kernel.org/stable/c/20c26357826457dc7c8145297e60ddc012e18914", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/588a9836a4ef7ec3bfcffda526dfa399637e6cfc", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ns390/stacktrace: Use break instead of return statement\n\narch_stack_walk_user_common() contains a return statement instead of a\nbreak statement in case store_ip() fails while trying to store a callchain\nentry of a user space process.\nThis may lead to a missing pagefault_enable() call.\n\nIf this happens any subsequent page fault of the process won't be resolved\nby the page fault handler and this in turn will lead to the process being\nkilled.\n\nUse a break instead of a return statement to fix this."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: s390/stacktrace: Utilizar break en lugar de la declaraci\u00f3n return arch_stack_walk_user_common() contiene una declaraci\u00f3n return en lugar de una declaraci\u00f3n break en caso de que store_ip() falle al intentar almacenar una entrada de cadena de llamadas de un proceso de espacio de usuario. Esto puede provocar que falte una llamada pagefault_enable(). Si esto sucede, el controlador de fallas de p\u00e1gina no resolver\u00e1 ninguna falla de p\u00e1gina posterior del proceso y esto, a su vez, provocar\u00e1 que se elimine el proceso. Utilice una declaraci\u00f3n break en lugar de una declaraci\u00f3n return para solucionar esto."}], "lastModified": "2025-10-08T13:58:23.500", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1AD9A837-E824-444A-8442-914E09BE6199", "versionEndExcluding": "6.10", "versionStartIncluding": "6.9.4"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "913C4DF1-5AD7-4CE9-A213-19CEA358B3EE", "versionEndExcluding": "6.12.4", "versionStartIncluding": "6.10"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}