{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/vkms: Avoid reading beyond LUT array\n\nWhen the floor LUT index (drm_fixp2int(lut_index) is the last\nindex of the array the ceil LUT index will point to an entry\nbeyond the array. Make sure we guard against it and use the\nvalue of the floor LUT index.\n\nv3:\n - Drop bits from commit description that didn't contribute\n   anything of value"
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "drivers/gpu/drm/vkms/vkms_composer.c"
               ],
               "versions": [
                  {
                     "version": "db1f254f2cfa",
                     "lessThan": "9556c1676730",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "db1f254f2cfa",
                     "lessThan": "046c1184ce60",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "db1f254f2cfa",
                     "lessThan": "92800aaeff51",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "db1f254f2cfa",
                     "lessThan": "2fee84030d12",
                     "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/gpu/drm/vkms/vkms_composer.c"
               ],
               "versions": [
                  {
                     "version": "6.6",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "6.6",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.6.23",
                     "lessThanOrEqual": "6.6.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.7.11",
                     "lessThanOrEqual": "6.7.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.8.2",
                     "lessThanOrEqual": "6.8.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.9",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/9556c167673057d48ce4a0da675026fe046654c1"
            },
            {
               "url": "https://git.kernel.org/stable/c/046c1184ce60b0a37d48134f17ddbc1f32ce02bd"
            },
            {
               "url": "https://git.kernel.org/stable/c/92800aaeff51b8358d1e0a7eb74daf8aa2d7ce9d"
            },
            {
               "url": "https://git.kernel.org/stable/c/2fee84030d12d9fddfa874e4562d71761a129277"
            }
         ],
         "title": "drm/vkms: Avoid reading beyond LUT array",
         "x_generator": {
            "engine": "bippy-a5840b7849dd"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2023-52649",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}
