cve-2024-46745
Vulnerability from cvelistv5
Published
2024-09-18 07:12
Modified
2024-12-19 09:22
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: Input: uinput - reject requests with unreasonable number of slots When exercising uinput interface syzkaller may try setting up device with a really large number of slots, which causes memory allocation failure in input_mt_init_slots(). While this allocation failure is handled properly and request is rejected, it results in syzkaller reports. Additionally, such request may put undue burden on the system which will try to free a lot of memory for a bogus request. Fix it by limiting allowed number of slots to 100. This can easily be extended if we see devices that can track more than 100 contacts.
Impacted products
Vendor Product Version
Linux Linux
Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2024-46745",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-09-29T14:49:11.611047Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-09-29T14:49:25.877Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/input/misc/uinput.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "9c6d189f0c1c59ba9a32326ec82a0b367a3cd47b",
              "status": "affected",
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "versionType": "git"
            },
            {
              "lessThan": "597ff930296c4c8fc6b6a536884d4f1a7187ec70",
              "status": "affected",
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "versionType": "git"
            },
            {
              "lessThan": "51fa08edd80003db700bdaa099385c5900d27f4b",
              "status": "affected",
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "versionType": "git"
            },
            {
              "lessThan": "9719687398dea8a6a12a10321a54dd75eec7ab2d",
              "status": "affected",
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "versionType": "git"
            },
            {
              "lessThan": "61df76619e270a46fd427fbdeb670ad491c42de2",
              "status": "affected",
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "versionType": "git"
            },
            {
              "lessThan": "a4858b00a1ec57043697fb935565fe267f161833",
              "status": "affected",
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "versionType": "git"
            },
            {
              "lessThan": "d76fc0f0b18d49b7e721c9e4975ef4bffde2f3e7",
              "status": "affected",
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "versionType": "git"
            },
            {
              "lessThan": "206f533a0a7c683982af473079c4111f4a0f9f5e",
              "status": "affected",
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/input/misc/uinput.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThanOrEqual": "4.19.*",
              "status": "unaffected",
              "version": "4.19.322",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.284",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.226",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.167",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.110",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.51",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.10.*",
              "status": "unaffected",
              "version": "6.10.10",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.11",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nInput: uinput - reject requests with unreasonable number of slots\n\n\nWhen exercising uinput interface syzkaller may try setting up device\nwith a really large number of slots, which causes memory allocation\nfailure in input_mt_init_slots(). While this allocation failure is\nhandled properly and request is rejected, it results in syzkaller\nreports. Additionally, such request may put undue burden on the\nsystem which will try to free a lot of memory for a bogus request.\n\nFix it by limiting allowed number of slots to 100. This can easily\nbe extended if we see devices that can track more than 100 contacts."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-12-19T09:22:17.037Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/9c6d189f0c1c59ba9a32326ec82a0b367a3cd47b"
        },
        {
          "url": "https://git.kernel.org/stable/c/597ff930296c4c8fc6b6a536884d4f1a7187ec70"
        },
        {
          "url": "https://git.kernel.org/stable/c/51fa08edd80003db700bdaa099385c5900d27f4b"
        },
        {
          "url": "https://git.kernel.org/stable/c/9719687398dea8a6a12a10321a54dd75eec7ab2d"
        },
        {
          "url": "https://git.kernel.org/stable/c/61df76619e270a46fd427fbdeb670ad491c42de2"
        },
        {
          "url": "https://git.kernel.org/stable/c/a4858b00a1ec57043697fb935565fe267f161833"
        },
        {
          "url": "https://git.kernel.org/stable/c/d76fc0f0b18d49b7e721c9e4975ef4bffde2f3e7"
        },
        {
          "url": "https://git.kernel.org/stable/c/206f533a0a7c683982af473079c4111f4a0f9f5e"
        }
      ],
      "title": "Input: uinput - reject requests with unreasonable number of slots",
      "x_generator": {
        "engine": "bippy-5f407fcff5a0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-46745",
    "datePublished": "2024-09-18T07:12:05.798Z",
    "dateReserved": "2024-09-11T15:12:18.266Z",
    "dateUpdated": "2024-12-19T09:22:17.037Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-46745\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-09-18T08:15:03.667\",\"lastModified\":\"2024-09-20T12:30:51.220\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nInput: uinput - reject requests with unreasonable number of slots\\n\\n\\nWhen exercising uinput interface syzkaller may try setting up device\\nwith a really large number of slots, which causes memory allocation\\nfailure in input_mt_init_slots(). While this allocation failure is\\nhandled properly and request is rejected, it results in syzkaller\\nreports. Additionally, such request may put undue burden on the\\nsystem which will try to free a lot of memory for a bogus request.\\n\\nFix it by limiting allowed number of slots to 100. This can easily\\nbe extended if we see devices that can track more than 100 contacts.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: Entrada: uinput - rechazar solicitudes con un n\u00famero irrazonable de ranuras Al ejercitar la interfaz uinput, syzkaller puede intentar configurar el dispositivo con un n\u00famero realmente grande de ranuras, lo que provoca un error de asignaci\u00f3n de memoria en input_mt_init_slots(). Si bien este error de asignaci\u00f3n se maneja correctamente y la solicitud se rechaza, da como resultado informes de syzkaller. Adem\u00e1s, dicha solicitud puede poner una carga indebida en el sistema que intentar\u00e1 liberar una gran cantidad de memoria para una solicitud falsa. Arr\u00e9glelo limitando el n\u00famero permitido de ranuras a 100. Esto se puede ampliar f\u00e1cilmente si vemos dispositivos que pueden rastrear m\u00e1s de 100 contactos.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/206f533a0a7c683982af473079c4111f4a0f9f5e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/51fa08edd80003db700bdaa099385c5900d27f4b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/597ff930296c4c8fc6b6a536884d4f1a7187ec70\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/61df76619e270a46fd427fbdeb670ad491c42de2\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/9719687398dea8a6a12a10321a54dd75eec7ab2d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/9c6d189f0c1c59ba9a32326ec82a0b367a3cd47b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/a4858b00a1ec57043697fb935565fe267f161833\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/d76fc0f0b18d49b7e721c9e4975ef4bffde2f3e7\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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.