{"id":"CVE-2025-38021","state":"PUBLISHED","title":"drm/amd/display: Fix null check of pipe_ctx->plane_state for update_dchubp_dpp","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Fix null check of pipe_ctx->plane_state for update_dchubp_dpp\n\nSimilar to commit 6a057072ddd1 (\"drm/amd/display: Fix null check for\npipe_ctx->plane_state in dcn20_program_pipe\") that addresses a null\npointer dereference on dcn20_update_dchubp_dpp. This is the same\nfunction hooked for update_dchubp_dpp in dcn401, with the same issue.\nFix possible null pointer deference on dcn401_program_pipe too.\n\n(cherry picked from commit d8d47f739752227957d8efc0cb894761bfe1d879)","publishedAt":"2025-06-18T09:28:28.563Z","updatedAt":"2026-05-11T21:19:46.899Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"63ab80d9ac0adae2066b140ec30481ba4648140d","status":"affected","lessThan":"4679061fb25344d6010ce7b9bebac21c91a0b75a","versionType":"git"},{"version":"63ab80d9ac0adae2066b140ec30481ba4648140d","status":"affected","lessThan":"a3b7e65b6be59e686e163fa1ceb0922f996897c2","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.14","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.14","versionType":"semver"},{"version":"6.14.8","status":"unaffected","lessThanOrEqual":"6.14.*","versionType":"semver"},{"version":"6.15","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/dcn401/dcn401_hwseq.c"]}],"references":["https://git.kernel.org/stable/c/4679061fb25344d6010ce7b9bebac21c91a0b75a","https://git.kernel.org/stable/c/a3b7e65b6be59e686e163fa1ceb0922f996897c2"],"weaknesses":[],"ingestedAt":"2026-10-29T20:09:09.358Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/38xxx/CVE-2025-38021.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-38021","state":"PUBLISHED","datePublished":"2025-06-18T09:28:28.563Z","dateUpdated":"2026-05-11T21:19:46.899Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-04-16T04:51:23.977Z"},"containers":{"cna":{"title":"drm/amd/display: Fix null check of pipe_ctx->plane_state for update_dchubp_dpp","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Fix null check of pipe_ctx->plane_state for update_dchubp_dpp\n\nSimilar to commit 6a057072ddd1 (\"drm/amd/display: Fix null check for\npipe_ctx->plane_state in dcn20_program_pipe\") that addresses a null\npointer dereference on dcn20_update_dchubp_dpp. This is the same\nfunction hooked for update_dchubp_dpp in dcn401, with the same issue.\nFix possible null pointer deference on dcn401_program_pipe too.\n\n(cherry picked from commit d8d47f739752227957d8efc0cb894761bfe1d879)"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"63ab80d9ac0adae2066b140ec30481ba4648140d","status":"affected","lessThan":"4679061fb25344d6010ce7b9bebac21c91a0b75a","versionType":"git"},{"version":"63ab80d9ac0adae2066b140ec30481ba4648140d","status":"affected","lessThan":"a3b7e65b6be59e686e163fa1ceb0922f996897c2","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.14","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.14","versionType":"semver"},{"version":"6.14.8","status":"unaffected","lessThanOrEqual":"6.14.*","versionType":"semver"},{"version":"6.15","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/dcn401/dcn401_hwseq.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/4679061fb25344d6010ce7b9bebac21c91a0b75a"},{"url":"https://git.kernel.org/stable/c/a3b7e65b6be59e686e163fa1ceb0922f996897c2"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T21:19:46.899Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.14","versionEndExcluding":"6.14.8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.14","versionEndExcluding":"6.15"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}