cve-2023-52531
Vulnerability from cvelistv5
Published
2024-03-02 21:52
Modified
2024-11-04 14:48
Severity ?
Summary
wifi: iwlwifi: mvm: Fix a memory corruption issue
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6b3223449c959a8be94a1f042288059e40fcccb0
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7c8faa31080342aec4903c9acb20caf82fcca1ef
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8ba438ef3cacc4808a63ed0ce24d4f0942cfe55d
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f06cdd8d4ba5252986f51f80cc30263636397128
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2023-52531",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-03-04T19:38:20.613089Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-06-04T17:23:46.452Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T23:03:20.656Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/7c8faa31080342aec4903c9acb20caf82fcca1ef"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/6b3223449c959a8be94a1f042288059e40fcccb0"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/f06cdd8d4ba5252986f51f80cc30263636397128"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/8ba438ef3cacc4808a63ed0ce24d4f0942cfe55d"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/wireless/intel/iwlwifi/mvm/fw.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "7c8faa310803",
              "status": "affected",
              "version": "8ca151b568b6",
              "versionType": "git"
            },
            {
              "lessThan": "6b3223449c95",
              "status": "affected",
              "version": "8ca151b568b6",
              "versionType": "git"
            },
            {
              "lessThan": "f06cdd8d4ba5",
              "status": "affected",
              "version": "8ca151b568b6",
              "versionType": "git"
            },
            {
              "lessThan": "8ba438ef3cac",
              "status": "affected",
              "version": "8ca151b568b6",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/wireless/intel/iwlwifi/mvm/fw.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "3.9"
            },
            {
              "lessThan": "3.9",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.135",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.57",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.5.*",
              "status": "unaffected",
              "version": "6.5.7",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.6",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: iwlwifi: mvm: Fix a memory corruption issue\n\nA few lines above, space is kzalloc()\u0027ed for:\n\tsizeof(struct iwl_nvm_data) +\n\tsizeof(struct ieee80211_channel) +\n\tsizeof(struct ieee80211_rate)\n\n\u0027mvm-\u003envm_data\u0027 is a \u0027struct iwl_nvm_data\u0027, so it is fine.\n\nAt the end of this structure, there is the \u0027channels\u0027 flex array.\nEach element is of type \u0027struct ieee80211_channel\u0027.\nSo only 1 element is allocated in this array.\n\nWhen doing:\n  mvm-\u003envm_data-\u003ebands[0].channels = mvm-\u003envm_data-\u003echannels;\nWe point at the first element of the \u0027channels\u0027 flex array.\nSo this is fine.\n\nHowever, when doing:\n  mvm-\u003envm_data-\u003ebands[0].bitrates =\n\t\t\t(void *)((u8 *)mvm-\u003envm_data-\u003echannels + 1);\nbecause of the \"(u8 *)\" cast, we add only 1 to the address of the beginning\nof the flex array.\n\nIt is likely that we want point at the \u0027struct ieee80211_rate\u0027 allocated\njust after.\n\nRemove the spurious casting so that the pointer arithmetic works as\nexpected."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-11-04T14:48:40.779Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/7c8faa31080342aec4903c9acb20caf82fcca1ef"
        },
        {
          "url": "https://git.kernel.org/stable/c/6b3223449c959a8be94a1f042288059e40fcccb0"
        },
        {
          "url": "https://git.kernel.org/stable/c/f06cdd8d4ba5252986f51f80cc30263636397128"
        },
        {
          "url": "https://git.kernel.org/stable/c/8ba438ef3cacc4808a63ed0ce24d4f0942cfe55d"
        }
      ],
      "title": "wifi: iwlwifi: mvm: Fix a memory corruption issue",
      "x_generator": {
        "engine": "bippy-9e1c9544281a"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2023-52531",
    "datePublished": "2024-03-02T21:52:35.664Z",
    "dateReserved": "2024-02-20T12:30:33.319Z",
    "dateUpdated": "2024-11-04T14:48:40.779Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2023-52531\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-03-02T22:15:48.613\",\"lastModified\":\"2024-03-04T13:58:23.447\",\"vulnStatus\":\"Awaiting Analysis\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nwifi: iwlwifi: mvm: Fix a memory corruption issue\\n\\nA few lines above, space is kzalloc()\u0027ed for:\\n\\tsizeof(struct iwl_nvm_data) +\\n\\tsizeof(struct ieee80211_channel) +\\n\\tsizeof(struct ieee80211_rate)\\n\\n\u0027mvm-\u003envm_data\u0027 is a \u0027struct iwl_nvm_data\u0027, so it is fine.\\n\\nAt the end of this structure, there is the \u0027channels\u0027 flex array.\\nEach element is of type \u0027struct ieee80211_channel\u0027.\\nSo only 1 element is allocated in this array.\\n\\nWhen doing:\\n  mvm-\u003envm_data-\u003ebands[0].channels = mvm-\u003envm_data-\u003echannels;\\nWe point at the first element of the \u0027channels\u0027 flex array.\\nSo this is fine.\\n\\nHowever, when doing:\\n  mvm-\u003envm_data-\u003ebands[0].bitrates =\\n\\t\\t\\t(void *)((u8 *)mvm-\u003envm_data-\u003echannels + 1);\\nbecause of the \\\"(u8 *)\\\" cast, we add only 1 to the address of the beginning\\nof the flex array.\\n\\nIt is likely that we want point at the \u0027struct ieee80211_rate\u0027 allocated\\njust after.\\n\\nRemove the spurious casting so that the pointer arithmetic works as\\nexpected.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: wifi: iwlwifi: mvm: soluciona un problema de corrupci\u00f3n de memoria Unas pocas l\u00edneas arriba, se kzalloc()\u0027ed espacio para: sizeof(struct iwl_nvm_data) + sizeof(struct ieee80211_channel) + sizeof (struct ieee80211_rate) \u0027mvm-\u0026gt;nvm_data\u0027 es una \u0027struct iwl_nvm_data\u0027, por lo que est\u00e1 bien. Al final de esta estructura, se encuentra la matriz flexible de \u0027canales\u0027. Cada elemento es de tipo \u0027struct ieee80211_channel\u0027. Entonces solo se asigna 1 elemento en esta matriz. Al hacer: mvm-\u0026gt;nvm_data-\u0026gt;bands[0].channels = mvm-\u0026gt;nvm_data-\u0026gt;channels; Apuntamos al primer elemento de la matriz flexible \u0027canales\u0027. Entonces esto est\u00e1 bien. Sin embargo, al hacer: mvm-\u0026gt;nvm_data-\u0026gt;bands[0].bitrates = (void *)((u8 *)mvm-\u0026gt;nvm_data-\u0026gt;channels + 1); debido a la conversi\u00f3n \\\"(u8 *)\\\", agregamos solo 1 a la direcci\u00f3n del comienzo de la matriz flexible. Es probable que queramos apuntar a la \u0027estructura ieee80211_rate\u0027 asignada justo despu\u00e9s. Retire la fundici\u00f3n espuria para que la aritm\u00e9tica del puntero funcione como se esperaba.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/6b3223449c959a8be94a1f042288059e40fcccb0\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/7c8faa31080342aec4903c9acb20caf82fcca1ef\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/8ba438ef3cacc4808a63ed0ce24d4f0942cfe55d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/f06cdd8d4ba5252986f51f80cc30263636397128\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




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.