{"api_version":"1","generated_at":"2026-10-21T15:58:49+00:00","cve":"CVE-2024-49920","urls":{"html":"https://cve.report/CVE-2024-49920","api":"https://cve.report/api/cve/CVE-2024-49920.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2024-49920","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2024-49920"},"summary":{"title":"drm/amd/display: Check null pointers before multiple uses","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Check null pointers before multiple uses\n\n[WHAT & HOW]\nPoniters, such as stream_enc and dc->bw_vbios, are null checked previously\nin the same function, so Coverity warns \"implies that stream_enc and\ndc->bw_vbios might be null\". They are used multiple times in the\nsubsequent code and need to be checked.\n\nThis fixes 10 FORWARD_NULL issues reported by Coverity.","state":"PUBLISHED","assigner":"Linux","published_at":"2024-10-21 18:15:14","updated_at":"2026-10-21 13:17:49"},"problem_types":["CWE-476"],"metrics":[{"version":"3.1","source":"nvd@nist.gov","type":"Primary","score":"5.5","severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"}}],"references":[{"url":"https://git.kernel.org/stable/c/26787fb6c2b2ee0d1a7e1574b36f4711ae40fe27","name":"https://git.kernel.org/stable/c/26787fb6c2b2ee0d1a7e1574b36f4711ae40fe27","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/fdd5ecbbff751c3b9061d8ebb08e5c96119915b4","name":"https://git.kernel.org/stable/c/fdd5ecbbff751c3b9061d8ebb08e5c96119915b4","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/4f51f6d23c5856f105110531f81d84e78e462005","name":"https://git.kernel.org/stable/c/4f51f6d23c5856f105110531f81d84e78e462005","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2024-49920","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-49920","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c 4f51f6d23c5856f105110531f81d84e78e462005 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c 26787fb6c2b2ee0d1a7e1574b36f4711ae40fe27 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c fdd5ecbbff751c3b9061d8ebb08e5c96119915b4 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4.15","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 4.15 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.160 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.11.3 6.11.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2024","cve_id":"49920","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"linux","cpe5":"linux_kernel","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2024-49920","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","timestamp":"2024-10-22T13:40:29.310714Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2024-10-22T13:48:44.735Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c","drivers/gpu/drm/amd/display/dc/hwss/dcn20/dcn20_hwseq.c","drivers/gpu/drm/amd/display/dc/link/accessories/link_dp_cts.c","drivers/gpu/drm/amd/display/dc/link/hwss/link_hwss_dio.c","drivers/gpu/drm/amd/display/dc/resource/dce112/dce112_resource.c","drivers/gpu/drm/amd/display/dc/resource/dcn32/dcn32_resource.c","drivers/gpu/drm/amd/display/dc/resource/dcn32/dcn32_resource_helpers.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"4f51f6d23c5856f105110531f81d84e78e462005","status":"affected","version":"4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c","versionType":"git"},{"lessThan":"26787fb6c2b2ee0d1a7e1574b36f4711ae40fe27","status":"affected","version":"4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c","versionType":"git"},{"lessThan":"fdd5ecbbff751c3b9061d8ebb08e5c96119915b4","status":"affected","version":"4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/gpu/drm/amd/display/dc/core/dc_hw_sequencer.c","drivers/gpu/drm/amd/display/dc/hwss/dcn20/dcn20_hwseq.c","drivers/gpu/drm/amd/display/dc/link/accessories/link_dp_cts.c","drivers/gpu/drm/amd/display/dc/link/hwss/link_hwss_dio.c","drivers/gpu/drm/amd/display/dc/resource/dce112/dce112_resource.c","drivers/gpu/drm/amd/display/dc/resource/dcn32/dcn32_resource.c","drivers/gpu/drm/amd/display/dc/resource/dcn32/dcn32_resource_helpers.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.15"},{"lessThan":"4.15","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.160","versionType":"semver"},{"lessThanOrEqual":"6.11.*","status":"unaffected","version":"6.11.3","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"6.12","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.160","versionStartIncluding":"4.15","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.11.3","versionStartIncluding":"4.15","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12","versionStartIncluding":"4.15","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Check null pointers before multiple uses\n\n[WHAT & HOW]\nPoniters, such as stream_enc and dc->bw_vbios, are null checked previously\nin the same function, so Coverity warns \"implies that stream_enc and\ndc->bw_vbios might be null\". They are used multiple times in the\nsubsequent code and need to be checked.\n\nThis fixes 10 FORWARD_NULL issues reported by Coverity."}],"providerMetadata":{"dateUpdated":"2026-10-21T12:35:22.119Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/4f51f6d23c5856f105110531f81d84e78e462005"},{"url":"https://git.kernel.org/stable/c/26787fb6c2b2ee0d1a7e1574b36f4711ae40fe27"},{"url":"https://git.kernel.org/stable/c/fdd5ecbbff751c3b9061d8ebb08e5c96119915b4"}],"title":"drm/amd/display: Check null pointers before multiple uses","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2024-49920","datePublished":"2024-10-21T18:01:46.437Z","dateReserved":"2024-10-21T12:17:06.034Z","dateUpdated":"2026-10-21T12:35:22.119Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2024-10-21 18:15:14","lastModifiedDate":"2026-10-21 13:17:49","problem_types":["CWE-476"],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":3.6}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2024-10-22T13:40:29.310714Z","id":"CVE-2024-49920","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.11.3","matchCriteriaId":"6D5FF9C2-A011-4A64-B614-F9244ED2EA0D"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2024","CveId":"49920","Ordinal":"1","Title":"drm/amd/display: Check null pointers before multiple uses","CVE":"CVE-2024-49920","Year":"2024"},"notes":[{"CveYear":"2024","CveId":"49920","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Check null pointers before multiple uses\n\n[WHAT & HOW]\nPoniters, such as stream_enc and dc->bw_vbios, are null checked previously\nin the same function, so Coverity warns \"implies that stream_enc and\ndc->bw_vbios might be null\". They are used multiple times in the\nsubsequent code and need to be checked.\n\nThis fixes 10 FORWARD_NULL issues reported by Coverity.","Type":"Description","Title":"drm/amd/display: Check null pointers before multiple uses"}]}}}