CVE-2025-71313

{"id": "CVE-2025-71313", "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}]}, "affected": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "affectedData": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "8b821cf761503b80d0bd052f932adfe1bc1a0088", "lessThan": "314eab6740bcda504ef978be599f805de05ce6de", "versionType": "git"}, {"status": "affected", "version": "8b821cf761503b80d0bd052f932adfe1bc1a0088", "lessThan": "03f336a869b3a3f119d3ae52ac9723739c7fb7b6", "versionType": "git"}], "programFiles": ["drivers/pci/endpoint/functions/pci-epf-ntb.c", "drivers/pci/endpoint/functions/pci-epf-vntb.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "5.12"}, {"status": "unaffected", "version": "0", "lessThan": "5.12", "versionType": "semver"}, {"status": "unaffected", "version": "6.19.4", "versionType": "semver", "lessThanOrEqual": "6.19.*"}, {"status": "unaffected", "version": "7.0", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/pci/endpoint/functions/pci-epf-ntb.c", "drivers/pci/endpoint/functions/pci-epf-vntb.c"], "defaultStatus": "affected"}]}], "published": "2026-06-03T18:16:19.130", "references": [{"url": "https://git.kernel.org/stable/c/03f336a869b3a3f119d3ae52ac9723739c7fb7b6", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/314eab6740bcda504ef978be599f805de05ce6de", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-476"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nPCI: endpoint: Add missing NULL check for alloc_workqueue()\n\nalloc_workqueue() can return NULL on memory allocation failure. Without\nproper error checking, this may lead to a NULL pointer dereference when\nqueue_work() is later called with the NULL workqueue pointer in\nepf_ntb_epc_init().\n\nAdd a NULL check immediately after alloc_workqueue() and return -ENOMEM on\nfailure to prevent the driver from loading with an invalid workqueue\npointer."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nPCI: endpoint: A\u00f1adir comprobaci\u00f3n de NULL faltante para alloc_workqueue()\n\nalloc_workqueue() puede devolver NULL en caso de fallo de asignaci\u00f3n de memoria. Sin una comprobaci\u00f3n de errores adecuada, esto puede llevar a una desreferencia de puntero NULL cuando queue_work() es llamado posteriormente con el puntero de workqueue NULL en epf_ntb_epc_init().\n\nA\u00f1adir una comprobaci\u00f3n de NULL inmediatamente despu\u00e9s de alloc_workqueue() y devolver -ENOMEM en caso de fallo para evitar que el controlador se cargue con un puntero de workqueue inv\u00e1lido."}], "lastModified": "2026-07-22T19:10:00.120", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "43D7D5E9-6DEE-48CF-8EF9-4DF8896DC989", "versionEndExcluding": "6.19.4", "versionStartIncluding": "5.12"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}