{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-23140", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-01-11T14:28:41.512Z", "datePublished": "2025-05-01T12:55:30.885Z", "dateUpdated": "2026-05-11T21:13:43.458Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T21:13:43.458Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmisc: pci_endpoint_test: Avoid issue of interrupts remaining after request_irq error\n\nAfter devm_request_irq() fails with error in pci_endpoint_test_request_irq(),\nthe pci_endpoint_test_free_irq_vectors() is called assuming that all IRQs\nhave been released.\n\nHowever, some requested IRQs remain unreleased, so there are still\n/proc/irq/* entries remaining, and this results in WARN() with the\nfollowing message:\n\n remove_proc_entry: removing non-empty directory 'irq/30', leaking at least 'pci-endpoint-test.0'\n WARNING: CPU: 0 PID: 202 at fs/proc/generic.c:719 remove_proc_entry +0x190/0x19c\n\nTo solve this issue, set the number of remaining IRQs to test->num_irqs,\nand release IRQs in advance by calling pci_endpoint_test_release_irq().\n\n[kwilczynski: commit log]"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/misc/pci_endpoint_test.c"], "versions": [{"version": "e03327122e2c8e6ae4565ef5b3d3cbe4364546a1", "lessThan": "705be96504779e4a333ea042b4779ea941f0ace9", "status": "affected", "versionType": "git"}, {"version": "e03327122e2c8e6ae4565ef5b3d3cbe4364546a1", "lessThan": "e516e187bf32d8decc7c7d0025ae4857cad13c0e", "status": "affected", "versionType": "git"}, {"version": "e03327122e2c8e6ae4565ef5b3d3cbe4364546a1", 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"https://git.kernel.org/stable/c/770407f6173f4f39f4e2c1b54422b79ce6c98bdb"}, {"url": "https://git.kernel.org/stable/c/f6cb7828c8e17520d4f5afb416515d3fae1af9a9"}], "title": "misc: pci_endpoint_test: Avoid issue of interrupts remaining after request_irq error", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"title": "CVE Program Container", "references": [{"url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html"}, {"url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2025-11-03T19:42:25.618Z"}}]}}

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Sin embargo, algunas IRQ solicitadas permanecen sin liberar, por lo que a\u00fan quedan entradas /proc/irq/* restantes y esto genera un WARN() con el siguiente mensaje: remove_proc_entry: eliminando el directorio no vac\u00edo 'irq/30', filtrando al menos 'pci-endpoint-test.0' ADVERTENCIA: CPU: 0 PID: 202 en fs/proc/generic.c:719 remove_proc_entry +0x190/0x19c Para resolver este problema, establezca el n\u00famero de IRQ restantes en test->num_irqs y libere las IRQ con anticipaci\u00f3n llamando a pci_endpoint_test_release_irq(). [kwilczynski: registro de confirmaciones]"}], "id": "CVE-2025-23140", "lastModified": "2025-11-05T21:46:13.333", "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": "2025-05-01T13:15:49.807", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/0557e70e2aeba8647bf5a950820b67cfb86533db"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/54c9f299ad7d7c4be5d271ed12d01a59e95b8907"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5a4b7181213268c9b07bef8800905528435db44a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/705be96504779e4a333ea042b4779ea941f0ace9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/770407f6173f4f39f4e2c1b54422b79ce6c98bdb"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9d5118b107b1a2353ed0dff24404aee2e6b7ca0a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e516e187bf32d8decc7c7d0025ae4857cad13c0e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f6cb7828c8e17520d4f5afb416515d3fae1af9a9"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: misc: pci_endpoint_test: Avoid issue of interrupts remaining after request_irq error", "id": "2363316", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2363316"}, "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"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nmisc: pci_endpoint_test: Avoid issue of interrupts remaining after request_irq error\nAfter devm_request_irq() fails with error in pci_endpoint_test_request_irq(),\nthe pci_endpoint_test_free_irq_vectors() is called assuming that all IRQs\nhave been released.\nHowever, some requested IRQs remain unreleased, so there are still\n/proc/irq/* entries remaining, and this results in WARN() with the\nfollowing message:\nremove_proc_entry: removing non-empty directory 'irq/30', leaking at least 'pci-endpoint-test.0'\nWARNING: CPU: 0 PID: 202 at fs/proc/generic.c:719 remove_proc_entry +0x190/0x19c\nTo solve this issue, set the number of remaining IRQs to test->num_irqs,\nand release IRQs in advance by calling pci_endpoint_test_release_irq().\n[kwilczynski: commit log]"], "name": "CVE-2025-23140", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not 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": "2025-05-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-23140\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-23140\nhttps://lore.kernel.org/linux-cve-announce/2025050124-CVE-2025-23140-bd0d@gregkh/T"], "threat_severity": "Moderate"}

{}