cve-2024-38575
Vulnerability from cvelistv5
Published
2024-06-19 13:37
Modified
2024-11-05 09:30
Severity ?
Summary
wifi: brcmfmac: pcie: handle randbuf allocation failure
Impacted products
Vendor Product Version
Linux Linux Version: 6.4
Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2024-38575",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-06-20T14:58:36.238292Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-06-20T14:58:48.031Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T04:12:25.861Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/0eb2c0528e232b3c32cde9d5e1c9f80ba2996e49"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/c37466406f075476c2702ecc01917928af871f3b"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/7c15eb344b0d4d3468c9b2a7591ad2b859b29b88"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/3729ca9e48d19a03ae049e2bde510e161c2f3720"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/316f790ebcf94bdf59f794b7cdea4068dc676d4c"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "0eb2c0528e23",
              "status": "affected",
              "version": "c35105f375b5",
              "versionType": "git"
            },
            {
              "lessThan": "c37466406f07",
              "status": "affected",
              "version": "91918ce88d9f",
              "versionType": "git"
            },
            {
              "lessThan": "7c15eb344b0d",
              "status": "affected",
              "version": "91918ce88d9f",
              "versionType": "git"
            },
            {
              "lessThan": "3729ca9e48d1",
              "status": "affected",
              "version": "91918ce88d9f",
              "versionType": "git"
            },
            {
              "lessThan": "316f790ebcf9",
              "status": "affected",
              "version": "91918ce88d9f",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.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": "6.1.*",
              "status": "unaffected",
              "version": "6.1.93",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.33",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.8.*",
              "status": "unaffected",
              "version": "6.8.12",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.9.*",
              "status": "unaffected",
              "version": "6.9.3",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.10",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: brcmfmac: pcie: handle randbuf allocation failure\n\nThe kzalloc() in brcmf_pcie_download_fw_nvram() will return null\nif the physical memory has run out. As a result, if we use\nget_random_bytes() to generate random bytes in the randbuf, the\nnull pointer dereference bug will happen.\n\nIn order to prevent allocation failure, this patch adds a separate\nfunction using buffer on kernel stack to generate random bytes in\nthe randbuf, which could prevent the kernel stack from overflow."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-11-05T09:30:12.288Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/0eb2c0528e232b3c32cde9d5e1c9f80ba2996e49"
        },
        {
          "url": "https://git.kernel.org/stable/c/c37466406f075476c2702ecc01917928af871f3b"
        },
        {
          "url": "https://git.kernel.org/stable/c/7c15eb344b0d4d3468c9b2a7591ad2b859b29b88"
        },
        {
          "url": "https://git.kernel.org/stable/c/3729ca9e48d19a03ae049e2bde510e161c2f3720"
        },
        {
          "url": "https://git.kernel.org/stable/c/316f790ebcf94bdf59f794b7cdea4068dc676d4c"
        }
      ],
      "title": "wifi: brcmfmac: pcie: handle randbuf allocation failure",
      "x_generator": {
        "engine": "bippy-9e1c9544281a"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-38575",
    "datePublished": "2024-06-19T13:37:34.476Z",
    "dateReserved": "2024-06-18T19:36:34.924Z",
    "dateUpdated": "2024-11-05T09:30:12.288Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-38575\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-06-19T14:15:17.603\",\"lastModified\":\"2024-11-21T09:26:23.207\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nwifi: brcmfmac: pcie: handle randbuf allocation failure\\n\\nThe kzalloc() in brcmf_pcie_download_fw_nvram() will return null\\nif the physical memory has run out. As a result, if we use\\nget_random_bytes() to generate random bytes in the randbuf, the\\nnull pointer dereference bug will happen.\\n\\nIn order to prevent allocation failure, this patch adds a separate\\nfunction using buffer on kernel stack to generate random bytes in\\nthe randbuf, which could prevent the kernel stack from overflow.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: wifi: brcmfmac: pcie: manejar fallo de asignaci\u00f3n de randbuf El kzalloc() en brcmf_pcie_download_fw_nvram() devolver\u00e1 nulo si la memoria f\u00edsica se ha agotado. Como resultado, si usamos get_random_bytes() para generar bytes aleatorios en randbuf, se producir\u00e1 el error de desreferencia del puntero nulo. Para evitar fallas en la asignaci\u00f3n, este parche agrega una funci\u00f3n separada que utiliza el b\u00fafer en la pila del kernel para generar bytes aleatorios en randbuf, lo que podr\u00eda evitar que la pila del kernel se desborde.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/0eb2c0528e232b3c32cde9d5e1c9f80ba2996e49\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/316f790ebcf94bdf59f794b7cdea4068dc676d4c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/3729ca9e48d19a03ae049e2bde510e161c2f3720\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/7c15eb344b0d4d3468c9b2a7591ad2b859b29b88\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/c37466406f075476c2702ecc01917928af871f3b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/0eb2c0528e232b3c32cde9d5e1c9f80ba2996e49\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/316f790ebcf94bdf59f794b7cdea4068dc676d4c\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/3729ca9e48d19a03ae049e2bde510e161c2f3720\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/7c15eb344b0d4d3468c9b2a7591ad2b859b29b88\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/c37466406f075476c2702ecc01917928af871f3b\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}"
  }
}


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.