cve-2024-26807
Vulnerability from cvelistv5
Published
2024-04-04 08:20
Modified
2024-11-05 09:16
Severity ?
Summary
spi: cadence-qspi: fix pointer reference in runtime PM hooks
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/03f1573c9587029730ca68503f5062105b122f61
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/32ce3bb57b6b402de2aec1012511e7ac4e7449dc
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/34e1d5c4407c78de0e3473e1fbf8fb74dbe66d03
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T00:14:13.598Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/03f1573c9587029730ca68503f5062105b122f61"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/34e1d5c4407c78de0e3473e1fbf8fb74dbe66d03"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/32ce3bb57b6b402de2aec1012511e7ac4e7449dc"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2024-26807",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-09-10T15:50:43.187812Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-09-11T17:33:46.008Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/spi/spi-cadence-quadspi.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "03f1573c9587",
              "status": "affected",
              "version": "2087e85bb66e",
              "versionType": "git"
            },
            {
              "lessThan": "34e1d5c4407c",
              "status": "affected",
              "version": "2087e85bb66e",
              "versionType": "git"
            },
            {
              "lessThan": "32ce3bb57b6b",
              "status": "affected",
              "version": "2087e85bb66e",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/spi/spi-cadence-quadspi.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.4"
            },
            {
              "lessThan": "6.4",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.21",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.7.*",
              "status": "unaffected",
              "version": "6.7.9",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.8",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBoth cadence-quadspi -\u003eruntime_suspend() and -\u003eruntime_resume()\nimplementations start with:\n\n\tstruct cqspi_st *cqspi = dev_get_drvdata(dev);\n\tstruct spi_controller *host = dev_get_drvdata(dev);\n\nThis obviously cannot be correct, unless \"struct cqspi_st\" is the\nfirst member of \" struct spi_controller\", or the other way around, but\nit is not the case. \"struct spi_controller\" is allocated by\ndevm_spi_alloc_host(), which allocates an extra amount of memory for\nprivate data, used to store \"struct cqspi_st\".\n\nThe -\u003eprobe() function of the cadence-quadspi driver then sets the\ndevice drvdata to store the address of the \"struct cqspi_st\"\nstructure. Therefore:\n\n\tstruct cqspi_st *cqspi = dev_get_drvdata(dev);\n\nis correct, but:\n\n\tstruct spi_controller *host = dev_get_drvdata(dev);\n\nis not, as it makes \"host\" point not to a \"struct spi_controller\" but\nto the same \"struct cqspi_st\" structure as above.\n\nThis obviously leads to bad things (memory corruption, kernel crashes)\ndirectly during -\u003eprobe(), as -\u003eprobe() enables the device using PM\nruntime, leading the -\u003eruntime_resume() hook being called, which in\nturns calls spi_controller_resume() with the wrong pointer.\n\nThis has at least been reported [0] to cause a kernel crash, but the\nexact behavior will depend on the memory contents.\n\n[0] https://lore.kernel.org/all/20240226121803.5a7r5wkpbbowcxgx@dhruva/\n\nThis issue potentially affects all platforms that are currently using\nthe cadence-quadspi driver."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-11-05T09:16:11.564Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/03f1573c9587029730ca68503f5062105b122f61"
        },
        {
          "url": "https://git.kernel.org/stable/c/34e1d5c4407c78de0e3473e1fbf8fb74dbe66d03"
        },
        {
          "url": "https://git.kernel.org/stable/c/32ce3bb57b6b402de2aec1012511e7ac4e7449dc"
        }
      ],
      "title": "spi: cadence-qspi: fix pointer reference in runtime PM hooks",
      "x_generator": {
        "engine": "bippy-9e1c9544281a"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-26807",
    "datePublished": "2024-04-04T08:20:34.155Z",
    "dateReserved": "2024-02-19T14:20:24.179Z",
    "dateUpdated": "2024-11-05T09:16:11.564Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-26807\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-04-04T09:15:09.380\",\"lastModified\":\"2024-06-20T10:15:09.303\",\"vulnStatus\":\"Awaiting Analysis\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nBoth cadence-quadspi -\u003eruntime_suspend() and -\u003eruntime_resume()\\nimplementations start with:\\n\\n\\tstruct cqspi_st *cqspi = dev_get_drvdata(dev);\\n\\tstruct spi_controller *host = dev_get_drvdata(dev);\\n\\nThis obviously cannot be correct, unless \\\"struct cqspi_st\\\" is the\\nfirst member of \\\" struct spi_controller\\\", or the other way around, but\\nit is not the case. \\\"struct spi_controller\\\" is allocated by\\ndevm_spi_alloc_host(), which allocates an extra amount of memory for\\nprivate data, used to store \\\"struct cqspi_st\\\".\\n\\nThe -\u003eprobe() function of the cadence-quadspi driver then sets the\\ndevice drvdata to store the address of the \\\"struct cqspi_st\\\"\\nstructure. Therefore:\\n\\n\\tstruct cqspi_st *cqspi = dev_get_drvdata(dev);\\n\\nis correct, but:\\n\\n\\tstruct spi_controller *host = dev_get_drvdata(dev);\\n\\nis not, as it makes \\\"host\\\" point not to a \\\"struct spi_controller\\\" but\\nto the same \\\"struct cqspi_st\\\" structure as above.\\n\\nThis obviously leads to bad things (memory corruption, kernel crashes)\\ndirectly during -\u003eprobe(), as -\u003eprobe() enables the device using PM\\nruntime, leading the -\u003eruntime_resume() hook being called, which in\\nturns calls spi_controller_resume() with the wrong pointer.\\n\\nThis has at least been reported [0] to cause a kernel crash, but the\\nexact behavior will depend on the memory contents.\\n\\n[0] https://lore.kernel.org/all/20240226121803.5a7r5wkpbbowcxgx@dhruva/\\n\\nThis issue potentially affects all platforms that are currently using\\nthe cadence-quadspi driver.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: spi: cadence-qspi: corrige la referencia del puntero en los ganchos PM en tiempo de ejecuci\u00f3n dev_get_drvdata() se utiliza para adquirir el puntero a cqspi y el controlador SPI. Ninguno de los dos integra al otro; Esto conduce a la corrupci\u00f3n de la memoria. En una plataforma determinada (Mobileye EyeQ5), la corrupci\u00f3n de la memoria est\u00e1 oculta dentro de cqspi-\u0026gt;f_pdata. Adem\u00e1s, esta memoria no inicializada se utiliza como mutex (ctlr-\u0026gt;bus_lock_mutex) por spi_controller_suspend().\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/03f1573c9587029730ca68503f5062105b122f61\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/32ce3bb57b6b402de2aec1012511e7ac4e7449dc\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/34e1d5c4407c78de0e3473e1fbf8fb74dbe66d03\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.