cve/published/2024/CVE-2024-26647.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\ndrm/amd/display: Fix late derefrence 'dsc' check in 'link_set_dsc_pps_packet()'\n\nIn link_set_dsc_pps_packet(), 'struct display_stream_compressor *dsc'\nwas dereferenced in a DC_LOGGER_INIT(dsc->ctx->logger); before the 'dsc'\nNULL pointer check.\n\nFixes the below:\ndrivers/gpu/drm/amd/amdgpu/../display/dc/link/link_dpms.c:905 link_set_dsc_pps_packet() warn: variable dereferenced before check 'dsc' (see line 903)"
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "drivers/gpu/drm/amd/display/dc/link/link_dpms.c"
               ],
               "versions": [
                  {
                     "version": "6ca7415f11af5200ab10bd420b513f846e9bfb99",
                     "lessThan": "6aa5ede6665122f4c8abce3c6eba06b49e54d25c",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "6ca7415f11af5200ab10bd420b513f846e9bfb99",
                     "lessThan": "cf656fc7276e5b3709a81bc9d9639459be2b2647",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "6ca7415f11af5200ab10bd420b513f846e9bfb99",
                     "lessThan": "3bb9b1f958c3d986ed90a3ff009f1e77e9553207",
                     "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/amd/display/dc/link/link_dpms.c"
               ],
               "versions": [
                  {
                     "version": "6.3",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "6.3",
                     "status": "unaffected",
                     "versionType": "semver"
                  },
                  {
                     "version": "6.6.15",
                     "lessThanOrEqual": "6.6.*",
                     "status": "unaffected",
                     "versionType": "semver"
                  },
                  {
                     "version": "6.7.3",
                     "lessThanOrEqual": "6.7.*",
                     "status": "unaffected",
                     "versionType": "semver"
                  },
                  {
                     "version": "6.8",
                     "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": "6.3",
                           "versionEndExcluding": "6.6.15"
                        },
                        {
                           "vulnerable": true,
                           "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                           "versionStartIncluding": "6.3",
                           "versionEndExcluding": "6.7.3"
                        },
                        {
                           "vulnerable": true,
                           "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                           "versionStartIncluding": "6.3",
                           "versionEndExcluding": "6.8"
                        }
                     ]
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/6aa5ede6665122f4c8abce3c6eba06b49e54d25c"
            },
            {
               "url": "https://git.kernel.org/stable/c/cf656fc7276e5b3709a81bc9d9639459be2b2647"
            },
            {
               "url": "https://git.kernel.org/stable/c/3bb9b1f958c3d986ed90a3ff009f1e77e9553207"
            }
         ],
         "title": "drm/amd/display: Fix late derefrence 'dsc' check in 'link_set_dsc_pps_packet()'",
         "x_generator": {
            "engine": "bippy-1.2.0"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2024-26647",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}