CVE-2024-41088 (GCVE-0-2024-41088)

Vulnerability from cvelistv5 – Published: 2024-07-29 15:48 – Updated: 2026-05-11 20:25
VLAI
Title
can: mcp251xfd: fix infinite loop when xmit fails
Summary
In the Linux kernel, the following vulnerability has been resolved: can: mcp251xfd: fix infinite loop when xmit fails When the mcp251xfd_start_xmit() function fails, the driver stops processing messages, and the interrupt routine does not return, running indefinitely even after killing the running application. Error messages: [ 441.298819] mcp251xfd spi2.0 can0: ERROR in mcp251xfd_start_xmit: -16 [ 441.306498] mcp251xfd spi2.0 can0: Transmit Event FIFO buffer not empty. (seq=0x000017c7, tef_tail=0x000017cf, tef_head=0x000017d0, tx_head=0x000017d3). ... and repeat forever. The issue can be triggered when multiple devices share the same SPI interface. And there is concurrent access to the bus. The problem occurs because tx_ring->head increments even if mcp251xfd_start_xmit() fails. Consequently, the driver skips one TX package while still expecting a response in mcp251xfd_handle_tefif_one(). Resolve the issue by starting a workqueue to write the tx obj synchronously if err = -EBUSY. In case of another error, decrement tx_ring->head, remove skb from the echo stack, and drop the message. [mkl: use more imperative wording in patch description]
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 55e5b97f003e85e66babb55f357627d52081a264 , < f926c022ebaabf7963bebf89a97201d66978a025 (git)
Affected: 55e5b97f003e85e66babb55f357627d52081a264 , < 3e72558c1711d524e3150103739ddd06650e291b (git)
Affected: 55e5b97f003e85e66babb55f357627d52081a264 , < 6c6b4afa59c2fb4d1759235f866d8caed2aa4729 (git)
Affected: 55e5b97f003e85e66babb55f357627d52081a264 , < d8fb63e46c884c898a38f061c2330f7729e75510 (git)
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Linux Linux Affected: 5.10
Unaffected: 0 , < 5.10 (semver)
Unaffected: 6.1.97 , ≤ 6.1.* (semver)
Unaffected: 6.6.37 , ≤ 6.6.* (semver)
Unaffected: 6.9.8 , ≤ 6.9.* (semver)
Unaffected: 6.10 , ≤ * (original_commit_for_fix)
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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\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"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\"]},{\"url\":\"https://git.kernel.org/stable/c/3e72558c1711d524e3150103739ddd06650e291b\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/6c6b4afa59c2fb4d1759235f866d8caed2aa4729\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/d8fb63e46c884c898a38f061c2330f7729e75510\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/f926c022ebaabf7963bebf89a97201d66978a025\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://git.kernel.org/stable/c/f926c022ebaabf7963bebf89a97201d66978a025\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/3e72558c1711d524e3150103739ddd06650e291b\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/6c6b4afa59c2fb4d1759235f866d8caed2aa4729\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/d8fb63e46c884c898a38f061c2330f7729e75510\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html\"}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2025-11-03T22:00:43.442Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-41088\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-09-10T16:20:41.900253Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-09-11T12:42:13.627Z\"}}], \"cna\": {\"title\": \"can: mcp251xfd: fix infinite loop when xmit fails\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"55e5b97f003e85e66babb55f357627d52081a264\", \"lessThan\": \"f926c022ebaabf7963bebf89a97201d66978a025\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"55e5b97f003e85e66babb55f357627d52081a264\", \"lessThan\": \"3e72558c1711d524e3150103739ddd06650e291b\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"55e5b97f003e85e66babb55f357627d52081a264\", \"lessThan\": \"6c6b4afa59c2fb4d1759235f866d8caed2aa4729\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"55e5b97f003e85e66babb55f357627d52081a264\", \"lessThan\": \"d8fb63e46c884c898a38f061c2330f7729e75510\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c\", \"drivers/net/can/spi/mcp251xfd/mcp251xfd-tx.c\", \"drivers/net/can/spi/mcp251xfd/mcp251xfd.h\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"5.10\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"5.10\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"6.1.97\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.6.37\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.9.8\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.9.*\"}, {\"status\": \"unaffected\", \"version\": \"6.10\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c\", \"drivers/net/can/spi/mcp251xfd/mcp251xfd-tx.c\", \"drivers/net/can/spi/mcp251xfd/mcp251xfd.h\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/f926c022ebaabf7963bebf89a97201d66978a025\"}, {\"url\": \"https://git.kernel.org/stable/c/3e72558c1711d524e3150103739ddd06650e291b\"}, {\"url\": \"https://git.kernel.org/stable/c/6c6b4afa59c2fb4d1759235f866d8caed2aa4729\"}, {\"url\": \"https://git.kernel.org/stable/c/d8fb63e46c884c898a38f061c2330f7729e75510\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"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]\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.97\", \"versionStartIncluding\": \"5.10\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.37\", \"versionStartIncluding\": \"5.10\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.9.8\", \"versionStartIncluding\": \"5.10\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.10\", \"versionStartIncluding\": \"5.10\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-05-11T20:25:57.864Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-41088\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-11T20:25:57.864Z\", \"dateReserved\": \"2024-07-12T12:17:45.634Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-07-29T15:48:04.035Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.