{"id":"CVE-2024-49911","state":"PUBLISHED","title":"drm/amd/display: Add NULL check for function pointer in dcn20_set_output_transfer_func","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Add NULL check for function pointer in dcn20_set_output_transfer_func\n\nThis commit adds a null check for the set_output_gamma function pointer\nin the dcn20_set_output_transfer_func function. Previously,\nset_output_gamma was being checked for null at line 1030, but then it\nwas being dereferenced without any null check at line 1048. This could\npotentially lead to a null pointer dereference error if set_output_gamma\nis null.\n\nTo fix this, we now ensure that set_output_gamma is not null before\ndereferencing it. We do this by adding a null check for set_output_gamma\nbefore the call to set_output_gamma at line 1048.","publishedAt":"2024-10-21T18:01:40.200Z","updatedAt":"2026-05-11T20:41:39.800Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c","status":"affected","lessThan":"e8a24767899c86f4c5f1e4d3b2608942d054900f","versionType":"git"},{"version":"4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c","status":"affected","lessThan":"8c854138b593efbbd8fa46a25f3288c121c1d1a1","versionType":"git"},{"version":"4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c","status":"affected","lessThan":"02411e9359297512946705b1cd8cf5e6b0806fa0","versionType":"git"},{"version":"4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c","status":"affected","lessThan":"827380b114f83c30b3e56d1a675980b6d65f7c88","versionType":"git"},{"version":"4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c","status":"affected","lessThan":"62ed6f0f198da04e884062264df308277628004f","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/display/dc/hwss/dcn20/dcn20_hwseq.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.15","versionType":"semver"},{"version":"6.1.120","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.64","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.10.14","status":"unaffected","lessThanOrEqual":"6.10.*","versionType":"semver"},{"version":"6.11.3","status":"unaffected","lessThanOrEqual":"6.11.*","versionType":"semver"},{"version":"6.12","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/display/dc/hwss/dcn20/dcn20_hwseq.c"]}],"references":["https://git.kernel.org/stable/c/e8a24767899c86f4c5f1e4d3b2608942d054900f","https://git.kernel.org/stable/c/8c854138b593efbbd8fa46a25f3288c121c1d1a1","https://git.kernel.org/stable/c/02411e9359297512946705b1cd8cf5e6b0806fa0","https://git.kernel.org/stable/c/827380b114f83c30b3e56d1a675980b6d65f7c88","https://git.kernel.org/stable/c/62ed6f0f198da04e884062264df308277628004f","https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html"],"weaknesses":[],"ingestedAt":"2026-10-29T20:07:56.516Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/49xxx/CVE-2024-49911.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-49911","state":"PUBLISHED","datePublished":"2024-10-21T18:01:40.200Z","dateUpdated":"2026-05-11T20:41:39.800Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-10-21T12:17:06.028Z"},"containers":{"cna":{"title":"drm/amd/display: Add NULL check for function pointer in dcn20_set_output_transfer_func","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Add NULL check for function pointer in dcn20_set_output_transfer_func\n\nThis commit adds a null check for the set_output_gamma function pointer\nin the dcn20_set_output_transfer_func function. Previously,\nset_output_gamma was being checked for null at line 1030, but then it\nwas being dereferenced without any null check at line 1048. This could\npotentially lead to a null pointer dereference error if set_output_gamma\nis null.\n\nTo fix this, we now ensure that set_output_gamma is not null before\ndereferencing it. We do this by adding a null check for set_output_gamma\nbefore the call to set_output_gamma at line 1048."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c","status":"affected","lessThan":"e8a24767899c86f4c5f1e4d3b2608942d054900f","versionType":"git"},{"version":"4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c","status":"affected","lessThan":"8c854138b593efbbd8fa46a25f3288c121c1d1a1","versionType":"git"},{"version":"4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c","status":"affected","lessThan":"02411e9359297512946705b1cd8cf5e6b0806fa0","versionType":"git"},{"version":"4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c","status":"affected","lessThan":"827380b114f83c30b3e56d1a675980b6d65f7c88","versionType":"git"},{"version":"4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c","status":"affected","lessThan":"62ed6f0f198da04e884062264df308277628004f","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/display/dc/hwss/dcn20/dcn20_hwseq.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.15","versionType":"semver"},{"version":"6.1.120","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.64","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.10.14","status":"unaffected","lessThanOrEqual":"6.10.*","versionType":"semver"},{"version":"6.11.3","status":"unaffected","lessThanOrEqual":"6.11.*","versionType":"semver"},{"version":"6.12","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/display/dc/hwss/dcn20/dcn20_hwseq.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/e8a24767899c86f4c5f1e4d3b2608942d054900f"},{"url":"https://git.kernel.org/stable/c/8c854138b593efbbd8fa46a25f3288c121c1d1a1"},{"url":"https://git.kernel.org/stable/c/02411e9359297512946705b1cd8cf5e6b0806fa0"},{"url":"https://git.kernel.org/stable/c/827380b114f83c30b3e56d1a675980b6d65f7c88"},{"url":"https://git.kernel.org/stable/c/62ed6f0f198da04e884062264df308277628004f"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T20:41:39.800Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"6.1.120"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"6.6.64"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"6.10.14"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"6.11.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"6.12"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2024-49911","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-10-22T13:41:37.002386Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-10-22T13:48:46.128Z"}},{"title":"CVE Program Container","references":[{"url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2025-11-03T20:41:55.355Z"}}]}}}