{
   "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: Check null pointers before used\n\n[WHAT & HOW]\nPoniters, such as dc->clk_mgr, are null checked previously in the same\nfunction, so Coverity warns \"implies that \"dc->clk_mgr\" might be null\".\nAs a result, these pointers need to be checked when used again.\n\nThis fixes 10 FORWARD_NULL issues reported by Coverity."
            }
         ],
         "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/clk_mgr/dce110/dce110_clk_mgr.c",
                  "drivers/gpu/drm/amd/display/dc/hubp/dcn10/dcn10_hubp.c",
                  "drivers/gpu/drm/amd/display/dc/hubp/dcn20/dcn20_hubp.c",
                  "drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c",
                  "drivers/gpu/drm/amd/display/dc/hwss/dcn10/dcn10_hwseq.c",
                  "drivers/gpu/drm/amd/display/dc/hwss/dcn31/dcn31_hwseq.c",
                  "drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c",
                  "drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c"
               ],
               "versions": [
                  {
                     "version": "1da177e4c3f4",
                     "lessThan": "5b35bf1a82eb",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "1da177e4c3f4",
                     "lessThan": "be1fb44389ca",
                     "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/clk_mgr/dce110/dce110_clk_mgr.c",
                  "drivers/gpu/drm/amd/display/dc/hubp/dcn10/dcn10_hubp.c",
                  "drivers/gpu/drm/amd/display/dc/hubp/dcn20/dcn20_hubp.c",
                  "drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c",
                  "drivers/gpu/drm/amd/display/dc/hwss/dcn10/dcn10_hwseq.c",
                  "drivers/gpu/drm/amd/display/dc/hwss/dcn31/dcn31_hwseq.c",
                  "drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c",
                  "drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c"
               ],
               "versions": [
                  {
                     "version": "6.11.3",
                     "lessThanOrEqual": "6.11.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.12-rc1",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/5b35bf1a82eb29841b67ff5643ba83762250fc24"
            },
            {
               "url": "https://git.kernel.org/stable/c/be1fb44389ca3038ad2430dac4234669bc177ee3"
            }
         ],
         "title": "drm/amd/display: Check null pointers before used",
         "x_generator": {
            "engine": "bippy-c9c4e1df01b2"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2024-49921",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}