{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-71313", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-27T12:23:27.414Z", "datePublished": "2026-06-03T15:49:38.450Z", "dateUpdated": "2026-10-15T10:06:55.098Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-15T10:06:55.098Z"}, "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."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/pci/endpoint/functions/pci-epf-ntb.c", "drivers/pci/endpoint/functions/pci-epf-vntb.c"], "versions": [{"version": "8b821cf761503b80d0bd052f932adfe1bc1a0088", "lessThan": "2f62f8be57882c26f8bede0cab293d013964208f", "status": "affected", "versionType": "git"}, {"version": "8b821cf761503b80d0bd052f932adfe1bc1a0088", "lessThan": "314eab6740bcda504ef978be599f805de05ce6de", "status": "affected", "versionType": "git"}, {"version": "8b821cf761503b80d0bd052f932adfe1bc1a0088", "lessThan": "03f336a869b3a3f119d3ae52ac9723739c7fb7b6", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/pci/endpoint/functions/pci-epf-ntb.c", "drivers/pci/endpoint/functions/pci-epf-vntb.c"], "versions": [{"version": "5.12", "status": "affected"}, {"version": "0", "lessThan": "5.12", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.57", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.4", "lessThanOrEqual": "6.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.12", "versionEndExcluding": "6.18.57"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.12", "versionEndExcluding": "6.19.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.12", "versionEndExcluding": "7.0"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/2f62f8be57882c26f8bede0cab293d013964208f"}, {"url": "https://git.kernel.org/stable/c/314eab6740bcda504ef978be599f805de05ce6de"}, {"url": "https://git.kernel.org/stable/c/03f336a869b3a3f119d3ae52ac9723739c7fb7b6"}], "title": "PCI: endpoint: Add missing NULL check for alloc_workqueue()", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/pci/endpoint/functions/pci-epf-ntb.c", "drivers/pci/endpoint/functions/pci-epf-vntb.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "2f62f8be57882c26f8bede0cab293d013964208f", "status": "affected", "version": "8b821cf761503b80d0bd052f932adfe1bc1a0088", "versionType": "git"}, {"lessThan": "314eab6740bcda504ef978be599f805de05ce6de", "status": "affected", "version": "8b821cf761503b80d0bd052f932adfe1bc1a0088", "versionType": "git"}, {"lessThan": "03f336a869b3a3f119d3ae52ac9723739c7fb7b6", "status": "affected", "version": "8b821cf761503b80d0bd052f932adfe1bc1a0088", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/pci/endpoint/functions/pci-epf-ntb.c", "drivers/pci/endpoint/functions/pci-epf-vntb.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.12"}, {"lessThan": "5.12", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.57", "versionType": "semver"}, {"lessThanOrEqual": "6.19.*", "status": "unaffected", "version": "6.19.4", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.0", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "43D7D5E9-6DEE-48CF-8EF9-4DF8896DC989", "versionEndExcluding": "6.19.4", "versionStartIncluding": "5.12", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "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."}], "id": "CVE-2025-71313", "lastModified": "2026-10-15T11:17:17.340", "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"}]}, "published": "2026-06-03T18:16:19.130", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/03f336a869b3a3f119d3ae52ac9723739c7fb7b6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2f62f8be57882c26f8bede0cab293d013964208f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/314eab6740bcda504ef978be599f805de05ce6de"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: PCI: endpoint: Add missing NULL check for alloc_workqueue()", "id": "2484473", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2484473"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-476", "details": ["A flaw was found in the Linux kernel's PCI endpoint driver. A missing NULL check for the `alloc_workqueue()` function can lead to a NULL pointer dereference if memory allocation fails. This vulnerability, specifically within the `epf_ntb_epc_init()` function, allows a local attacker to cause a system crash, resulting in a Denial of Service (DoS)."], "name": "CVE-2025-71313", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"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": "2026-06-03T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-71313\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-71313\nhttps://lore.kernel.org/linux-cve-announce/2026060332-CVE-2025-71313-bb96@gregkh/T"], "threat_severity": "Low"}

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