cve-2021-47583
Vulnerability from cvelistv5
Published
2024-06-19 14:53
Modified
2024-11-04 12:08
Severity ?
Summary
media: mxl111sf: change mutex_init() location
Impacted products
Vendor Product Version
Linux Linux Version: 3.7
Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2021-47583",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-06-24T18:10:30.676527Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-06-24T18:10:38.381Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T05:39:59.828Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/4b2d9600b31f9ba7adbc9f3c54a068615d27b390"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/96f182c9f48b984447741f054ec301fdc8517035"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/b99bdf127af91d53919e96292c05f737c45ea59a"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/8c6fdf62bfe1bc72bfceeaf832ef7499c7ed09ba"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/44870a9e7a3c24acbb3f888b2a7cc22c9bdf7e7f"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/media/usb/dvb-usb-v2/mxl111sf.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "4b2d9600b31f",
              "status": "affected",
              "version": "8572211842af",
              "versionType": "git"
            },
            {
              "lessThan": "96f182c9f48b",
              "status": "affected",
              "version": "8572211842af",
              "versionType": "git"
            },
            {
              "lessThan": "b99bdf127af9",
              "status": "affected",
              "version": "8572211842af",
              "versionType": "git"
            },
            {
              "lessThan": "8c6fdf62bfe1",
              "status": "affected",
              "version": "8572211842af",
              "versionType": "git"
            },
            {
              "lessThan": "44870a9e7a3c",
              "status": "affected",
              "version": "8572211842af",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/media/usb/dvb-usb-v2/mxl111sf.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "3.7"
            },
            {
              "lessThan": "3.7",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "4.19.*",
              "status": "unaffected",
              "version": "4.19.222",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.168",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.88",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.11",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "5.16",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: mxl111sf: change mutex_init() location\n\nSyzbot reported, that mxl111sf_ctrl_msg() uses uninitialized\nmutex. The problem was in wrong mutex_init() location.\n\nPrevious mutex_init(\u0026state-\u003emsg_lock) call was in -\u003einit() function, but\ndvb_usbv2_init() has this order of calls:\n\n\tdvb_usbv2_init()\n\t  dvb_usbv2_adapter_init()\n\t    dvb_usbv2_adapter_frontend_init()\n\t      props-\u003efrontend_attach()\n\n\t  props-\u003einit()\n\nSince mxl111sf_* devices call mxl111sf_ctrl_msg() in -\u003efrontend_attach()\ninternally we need to initialize state-\u003emsg_lock before\nfrontend_attach(). To achieve it, -\u003eprobe() call added to all mxl111sf_*\ndevices, which will simply initiaize mutex."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-11-04T12:08:36.706Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/4b2d9600b31f9ba7adbc9f3c54a068615d27b390"
        },
        {
          "url": "https://git.kernel.org/stable/c/96f182c9f48b984447741f054ec301fdc8517035"
        },
        {
          "url": "https://git.kernel.org/stable/c/b99bdf127af91d53919e96292c05f737c45ea59a"
        },
        {
          "url": "https://git.kernel.org/stable/c/8c6fdf62bfe1bc72bfceeaf832ef7499c7ed09ba"
        },
        {
          "url": "https://git.kernel.org/stable/c/44870a9e7a3c24acbb3f888b2a7cc22c9bdf7e7f"
        }
      ],
      "title": "media: mxl111sf: change mutex_init() location",
      "x_generator": {
        "engine": "bippy-9e1c9544281a"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2021-47583",
    "datePublished": "2024-06-19T14:53:49.459Z",
    "dateReserved": "2024-05-24T15:11:00.731Z",
    "dateUpdated": "2024-11-04T12:08:36.706Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-47583\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-06-19T15:15:52.843\",\"lastModified\":\"2024-11-07T17:41:01.250\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nmedia: mxl111sf: change mutex_init() location\\n\\nSyzbot reported, that mxl111sf_ctrl_msg() uses uninitialized\\nmutex. The problem was in wrong mutex_init() location.\\n\\nPrevious mutex_init(\u0026state-\u003emsg_lock) call was in -\u003einit() function, but\\ndvb_usbv2_init() has this order of calls:\\n\\n\\tdvb_usbv2_init()\\n\\t  dvb_usbv2_adapter_init()\\n\\t    dvb_usbv2_adapter_frontend_init()\\n\\t      props-\u003efrontend_attach()\\n\\n\\t  props-\u003einit()\\n\\nSince mxl111sf_* devices call mxl111sf_ctrl_msg() in -\u003efrontend_attach()\\ninternally we need to initialize state-\u003emsg_lock before\\nfrontend_attach(). To achieve it, -\u003eprobe() call added to all mxl111sf_*\\ndevices, which will simply initiaize mutex.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: medio: mxl111sf: cambiar la ubicaci\u00f3n de mutex_init() Syzbot inform\u00f3 que mxl111sf_ctrl_msg() usa un mutex no inicializado. El problema estaba en la ubicaci\u00f3n mutex_init() incorrecta. La llamada anterior a mutex_init(\u0026amp;state-\u0026gt;msg_lock) estaba en la funci\u00f3n -\u0026gt;init(), pero dvb_usbv2_init() tiene este orden de llamadas: dvb_usbv2_init() dvb_usbv2_adapter_init() dvb_usbv2_adapter_frontend_init() props-\u0026gt;frontend_attach() props-\u0026gt;init() Desde Los dispositivos mxl111sf_* llaman a mxl111sf_ctrl_msg() en -\u0026gt;frontend_attach() internamente, necesitamos inicializar state-\u0026gt;msg_lock antes de frontend_attach(). Para lograrlo, se agrega la llamada -\u0026gt;probe() a todos los dispositivos mxl111sf_*, lo que simplemente iniciar\u00e1 el mutex.\"}],\"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-908\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"3.7\",\"versionEndExcluding\":\"4.19.222\",\"matchCriteriaId\":\"3F295854-641E-4409-AA77-B11F9057CC4E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.20\",\"versionEndExcluding\":\"5.4.168\",\"matchCriteriaId\":\"195EBAA1-4CCE-4898-9351-F4A0DBCAA022\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.5\",\"versionEndExcluding\":\"5.10.88\",\"matchCriteriaId\":\"A657B2D0-5B9D-42BE-A3BF-228DBC1B057C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.11\",\"matchCriteriaId\":\"11274E95-438A-449A-B100-01B2B0046669\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/44870a9e7a3c24acbb3f888b2a7cc22c9bdf7e7f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/4b2d9600b31f9ba7adbc9f3c54a068615d27b390\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/8c6fdf62bfe1bc72bfceeaf832ef7499c7ed09ba\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/96f182c9f48b984447741f054ec301fdc8517035\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/b99bdf127af91d53919e96292c05f737c45ea59a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Sightings

Author Source Type Date

Nomenclature

  • 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.