cve-2024-41088
Vulnerability from cvelistv5
Published
2024-07-29 15:48
Modified
2024-12-19 09:11
Severity ?
Summary
can: mcp251xfd: fix infinite loop when xmit fails
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3e72558c1711d524e3150103739ddd06650e291bPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6c6b4afa59c2fb4d1759235f866d8caed2aa4729Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d8fb63e46c884c898a38f061c2330f7729e75510Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f926c022ebaabf7963bebf89a97201d66978a025Patch
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website

To clipboard 

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                "id": "CVE-2024-41088",
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          "product": "Linux",
          "programFiles": [
            "drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c",
            "drivers/net/can/spi/mcp251xfd/mcp251xfd-tx.c",
            "drivers/net/can/spi/mcp251xfd/mcp251xfd.h"
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            "drivers/net/can/spi/mcp251xfd/mcp251xfd.h"
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          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncan: mcp251xfd: fix infinite loop when xmit fails\n\nWhen the mcp251xfd_start_xmit() function fails, the driver stops\nprocessing messages, and the interrupt routine does not return,\nrunning indefinitely even after killing the running application.\n\nError messages:\n[  441.298819] mcp251xfd spi2.0 can0: ERROR in mcp251xfd_start_xmit: -16\n[  441.306498] mcp251xfd spi2.0 can0: Transmit Event FIFO buffer not empty. (seq=0x000017c7, tef_tail=0x000017cf, tef_head=0x000017d0, tx_head=0x000017d3).\n... and repeat forever.\n\nThe issue can be triggered when multiple devices share the same SPI\ninterface. And there is concurrent access to the bus.\n\nThe problem occurs because tx_ring-\u003ehead increments even if\nmcp251xfd_start_xmit() fails. Consequently, the driver skips one TX\npackage while still expecting a response in\nmcp251xfd_handle_tefif_one().\n\nResolve the issue by starting a workqueue to write the tx obj\nsynchronously if err = -EBUSY. In case of another error, decrement\ntx_ring-\u003ehead, remove skb from the echo stack, and drop the message.\n\n[mkl: use more imperative wording in patch description]"
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    "assignerShortName": "Linux",
    "cveId": "CVE-2024-41088",
    "datePublished": "2024-07-29T15:48:04.035Z",
    "dateReserved": "2024-07-12T12:17:45.634Z",
    "dateUpdated": "2024-12-19T09:11:41.470Z",
    "state": "PUBLISHED"
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    "nvd": "{\"cve\":{\"id\":\"CVE-2024-41088\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-07-29T16:15:04.217\",\"lastModified\":\"2024-08-22T13:16:08.143\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\ncan: mcp251xfd: fix infinite loop when xmit fails\\n\\nWhen the mcp251xfd_start_xmit() function fails, the driver stops\\nprocessing messages, and the interrupt routine does not return,\\nrunning indefinitely even after killing the running application.\\n\\nError messages:\\n[  441.298819] mcp251xfd spi2.0 can0: ERROR in mcp251xfd_start_xmit: -16\\n[  441.306498] mcp251xfd spi2.0 can0: Transmit Event FIFO buffer not empty. (seq=0x000017c7, tef_tail=0x000017cf, tef_head=0x000017d0, tx_head=0x000017d3).\\n... and repeat forever.\\n\\nThe issue can be triggered when multiple devices share the same SPI\\ninterface. And there is concurrent access to the bus.\\n\\nThe problem occurs because tx_ring-\u003ehead increments even if\\nmcp251xfd_start_xmit() fails. Consequently, the driver skips one TX\\npackage while still expecting a response in\\nmcp251xfd_handle_tefif_one().\\n\\nResolve the issue by starting a workqueue to write the tx obj\\nsynchronously if err = -EBUSY. In case of another error, decrement\\ntx_ring-\u003ehead, remove skb from the echo stack, and drop the message.\\n\\n[mkl: use more imperative wording in patch description]\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: can: mcp251xfd: corrige el bucle infinito cuando falla xmit Cuando falla la funci\u00f3n mcp251xfd_start_xmit(), el controlador deja de procesar mensajes y la rutina de interrupci\u00f3n no regresa, ejecut\u00e1ndose indefinidamente incluso despu\u00e9s de finalizar el aplicaci\u00f3n en ejecuci\u00f3n. Mensajes de error: [441.298819] mcp251xfd spi2.0 can0: ERROR en mcp251xfd_start_xmit: -16 [441.306498] mcp251xfd spi2.0 can0: El b\u00fafer FIFO de evento de transmisi\u00f3n no est\u00e1 vac\u00edo. (seq=0x000017c7, tef_tail=0x000017cf, tef_head=0x000017d0, tx_head=0x000017d3). ... y repetir para siempre. El problema puede desencadenarse cuando varios dispositivos comparten la misma interfaz SPI. Y hay acceso simult\u00e1neo al autob\u00fas. El problema ocurre porque tx_ring-\u0026gt;head incrementa incluso si falla mcp251xfd_start_xmit(). En consecuencia, el controlador omite un paquete TX mientras espera una respuesta en mcp251xfd_handle_tefif_one(). Resuelva el problema iniciando una cola de trabajo para escribir el obj tx sincr\u00f3nicamente si err = -EBUSY. En caso de otro error, disminuya tx_ring-\u0026gt;head, elimine skb de la pila de eco y elimine el mensaje. [mkl: utilice una redacci\u00f3n m\u00e1s imperativa en la descripci\u00f3n del parche]\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-835\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.10\",\"versionEndExcluding\":\"6.1.97\",\"matchCriteriaId\":\"0D1B1C19-B25B-4A8A-904D-D71AC2162CE0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.6.37\",\"matchCriteriaId\":\"D72E033B-5323-4C4D-8818-36E1EBC3535F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.9.8\",\"matchCriteriaId\":\"E95105F2-32E3-4C5F-9D18-7AEFD0E6275C\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/3e72558c1711d524e3150103739ddd06650e291b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/6c6b4afa59c2fb4d1759235f866d8caed2aa4729\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/d8fb63e46c884c898a38f061c2330f7729e75510\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/f926c022ebaabf7963bebf89a97201d66978a025\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}"
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}


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