{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntpm_tis_spi: Account for SPI header when allocating TPM SPI xfer buffer\n\nThe TPM SPI transfer mechanism uses MAX_SPI_FRAMESIZE for computing the\nmaximum transfer length and the size of the transfer buffer. As such, it\ndoes not account for the 4 bytes of header that prepends the SPI data\nframe. This can result in out-of-bounds accesses and was confirmed with\nKASAN.\n\nIntroduce SPI_HDRSIZE to account for the header and use to allocate the\ntransfer buffer."
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "drivers/char/tpm/tpm_tis_spi_main.c"
               ],
               "versions": [
                  {
                     "version": "a86a42ac2bd6",
                     "lessThan": "1547183852dc",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "a86a42ac2bd6",
                     "lessThan": "de13c56f9947",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "a86a42ac2bd6",
                     "lessThan": "195aba96b854",
                     "status": "affected",
                     "versionType": "git"
                  }
               ]
            },
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "affected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "drivers/char/tpm/tpm_tis_spi_main.c"
               ],
               "versions": [
                  {
                     "version": "6.6",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "6.6",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.6.33",
                     "lessThanOrEqual": "6.6.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.9.4",
                     "lessThanOrEqual": "6.9.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.10",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/1547183852dcdfcc25878db7dd3620509217b0cd"
            },
            {
               "url": "https://git.kernel.org/stable/c/de13c56f99477b56980c7e00b09c776d16b7563d"
            },
            {
               "url": "https://git.kernel.org/stable/c/195aba96b854dd664768f382cd1db375d8181f88"
            }
         ],
         "title": "tpm_tis_spi: Account for SPI header when allocating TPM SPI xfer buffer",
         "x_generator": {
            "engine": "bippy-c9c4e1df01b2"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2024-36477",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}