cve/published/2025/CVE-2025-40014.json

{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nobjtool, spi: amd: Fix out-of-bounds stack access in amd_set_spi_freq()\n\nIf speed_hz < AMD_SPI_MIN_HZ, amd_set_spi_freq() iterates over the\nentire amd_spi_freq array without breaking out early, causing 'i' to go\nbeyond the array bounds.\n\nFix that by stopping the loop when it gets to the last entry, so the low\nspeed_hz value gets clamped up to AMD_SPI_MIN_HZ.\n\nFixes the following warning with an UBSAN kernel:\n\n  drivers/spi/spi-amd.o: error: objtool: amd_set_spi_freq() falls through to next function amd_spi_set_opcode()"
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "drivers/spi/spi-amd.c"
               ],
               "versions": [
                  {
                     "version": "3fe26121dc3a9bf64e18fe0075cd9a92c9cd1b1a",
                     "lessThan": "7f2c746e09a3746bf937bc708129dc8af61d8f19",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "3fe26121dc3a9bf64e18fe0075cd9a92c9cd1b1a",
                     "lessThan": "76e51db43fe4aaaebcc5ddda67b0807f7c9bdecc",
                     "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/spi/spi-amd.c"
               ],
               "versions": [
                  {
                     "version": "6.1",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "6.1",
                     "status": "unaffected",
                     "versionType": "semver"
                  },
                  {
                     "version": "6.14.2",
                     "lessThanOrEqual": "6.14.*",
                     "status": "unaffected",
                     "versionType": "semver"
                  },
                  {
                     "version": "6.15",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "cpeApplicability": [
            {
               "nodes": [
                  {
                     "operator": "OR",
                     "negate": false,
                     "cpeMatch": [
                        {
                           "vulnerable": true,
                           "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                           "versionStartIncluding": "6.1",
                           "versionEndExcluding": "6.14.2"
                        },
                        {
                           "vulnerable": true,
                           "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                           "versionStartIncluding": "6.1",
                           "versionEndExcluding": "6.15"
                        }
                     ]
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/7f2c746e09a3746bf937bc708129dc8af61d8f19"
            },
            {
               "url": "https://git.kernel.org/stable/c/76e51db43fe4aaaebcc5ddda67b0807f7c9bdecc"
            }
         ],
         "title": "objtool, spi: amd: Fix out-of-bounds stack access in amd_set_spi_freq()",
         "x_generator": {
            "engine": "bippy-1.2.0"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2025-40014",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}