fkie_cve-2025-23140
Vulnerability from fkie_nvd
Published
2025-05-01 13:15
Modified
2025-11-05 21:46
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: misc: pci_endpoint_test: Avoid issue of interrupts remaining after request_irq error After devm_request_irq() fails with error in pci_endpoint_test_request_irq(), the pci_endpoint_test_free_irq_vectors() is called assuming that all IRQs have been released. However, some requested IRQs remain unreleased, so there are still /proc/irq/* entries remaining, and this results in WARN() with the following message: remove_proc_entry: removing non-empty directory 'irq/30', leaking at least 'pci-endpoint-test.0' WARNING: CPU: 0 PID: 202 at fs/proc/generic.c:719 remove_proc_entry +0x190/0x19c To solve this issue, set the number of remaining IRQs to test->num_irqs, and release IRQs in advance by calling pci_endpoint_test_release_irq(). [kwilczynski: commit log]
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0557e70e2aeba8647bf5a950820b67cfb86533dbPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/54c9f299ad7d7c4be5d271ed12d01a59e95b8907Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/5a4b7181213268c9b07bef8800905528435db44aPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/705be96504779e4a333ea042b4779ea941f0ace9Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/770407f6173f4f39f4e2c1b54422b79ce6c98bdbPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9d5118b107b1a2353ed0dff24404aee2e6b7ca0aPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e516e187bf32d8decc7c7d0025ae4857cad13c0ePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f6cb7828c8e17520d4f5afb416515d3fae1af9a9Patch
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2025/05/msg00030.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2025/05/msg00045.htmlMailing List, Third Party Advisory
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
debian debian_linux 11.0


To clipboard 

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  "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 \u0027irq/30\u0027, leaking at least \u0027pci-endpoint-test.0\u0027\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-\u003enum_irqs,\nand release IRQs in advance by calling pci_endpoint_test_release_irq().\n\n[kwilczynski: commit log]"
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      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: misc: pci_endpoint_test: evitar el problema de las interrupciones restantes despu\u00e9s del error request_irq Despu\u00e9s de que devm_request_irq() falla con un error en pci_endpoint_test_request_irq(), se llama a pci_endpoint_test_free_irq_vectors() asumiendo que se han liberado todas las IRQ. 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 \u0027irq/30\u0027, filtrando al menos \u0027pci-endpoint-test.0\u0027 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-\u0026gt;num_irqs y libere las IRQ con anticipaci\u00f3n llamando a pci_endpoint_test_release_irq(). [kwilczynski: registro de confirmaciones]"
    }
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  "id": "CVE-2025-23140",
  "lastModified": "2025-11-05T21:46:13.333",
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          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
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          "userInteraction": "NONE",
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}


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