FKIE_CVE-2024-41088

Vulnerability from fkie_nvd - Published: 2024-07-29 16:15 - Updated: 2026-06-17 07:47
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: 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]
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
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/3e72558c1711d524e3150103739ddd06650e291bPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/6c6b4afa59c2fb4d1759235f866d8caed2aa4729Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/d8fb63e46c884c898a38f061c2330f7729e75510Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/f926c022ebaabf7963bebf89a97201d66978a025Patch
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "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"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "f926c022ebaabf7963bebf89a97201d66978a025",
              "status": "affected",
              "version": "55e5b97f003e85e66babb55f357627d52081a264",
              "versionType": "git"
            },
            {
              "lessThan": "3e72558c1711d524e3150103739ddd06650e291b",
              "status": "affected",
              "version": "55e5b97f003e85e66babb55f357627d52081a264",
              "versionType": "git"
            },
            {
              "lessThan": "6c6b4afa59c2fb4d1759235f866d8caed2aa4729",
              "status": "affected",
              "version": "55e5b97f003e85e66babb55f357627d52081a264",
              "versionType": "git"
            },
            {
              "lessThan": "d8fb63e46c884c898a38f061c2330f7729e75510",
              "status": "affected",
              "version": "55e5b97f003e85e66babb55f357627d52081a264",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "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"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.10"
            },
            {
              "lessThan": "5.10",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.97",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.37",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.9.*",
              "status": "unaffected",
              "version": "6.9.8",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.10",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "0D1B1C19-B25B-4A8A-904D-D71AC2162CE0",
              "versionEndExcluding": "6.1.97",
              "versionStartIncluding": "5.10",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "D72E033B-5323-4C4D-8818-36E1EBC3535F",
              "versionEndExcluding": "6.6.37",
              "versionStartIncluding": "6.2",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "E95105F2-32E3-4C5F-9D18-7AEFD0E6275C",
              "versionEndExcluding": "6.9.8",
              "versionStartIncluding": "6.7",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "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]"
    }
  ],
  "id": "CVE-2024-41088",
  "lastModified": "2026-06-17T07:47:15.370",
  "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"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-41088",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-09-10T16:20:41.900253Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2024-07-29T16:15:04.217",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "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": "af854a3a-2127-422b-91ae-364da2661108",
      "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",
      "url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-835"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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