{"api_version":"1","generated_at":"2026-06-27T12:36:26+00:00","cve":"CVE-2026-53135","urls":{"html":"https://cve.report/CVE-2026-53135","api":"https://cve.report/api/cve/CVE-2026-53135.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-53135","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-53135"},"summary":{"title":"drm/amd/display: Fix NULL deref and buffer over-read in SDP debugfs","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Fix NULL deref and buffer over-read in SDP debugfs\n\n[Why & How]\ndp_sdp_message_debugfs_write() dereferences connector->base.state->crtc\nwithout checking for NULL. A connector can be connected but not bound to\nany CRTC (e.g. after hot-plug before the next atomic commit), causing a\nkernel crash when writing to the sdp_message debugfs node.\n\nThe function also ignores the user-provided size argument and always\npasses 36 bytes to copy_from_user(), reading past the user buffer when\nsize < 36.\n\nFix both issues by:\n- Returning -ENODEV when connector->base.state or state->crtc is NULL\n- Clamping write_size to min(size, sizeof(data))\n\n(cherry picked from commit 6ab4c36a522842ff70474a1c0af2e40e50fc8300)","state":"PUBLISHED","assigner":"Linux","published_at":"2026-06-25 09:16:30","updated_at":"2026-06-25 09:16:30"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/b781f90a9528555c709e59789550893581ef0be4","name":"https://git.kernel.org/stable/c/b781f90a9528555c709e59789550893581ef0be4","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/adf67034b1f61f7119295208085bfd43f85f56af","name":"https://git.kernel.org/stable/c/adf67034b1f61f7119295208085bfd43f85f56af","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/ee9cfcf77a8e8af637396dc00966df5f701e661c","name":"https://git.kernel.org/stable/c/ee9cfcf77a8e8af637396dc00966df5f701e661c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/7ae95c0275c330b5dbae806f8e431720edad776f","name":"https://git.kernel.org/stable/c/7ae95c0275c330b5dbae806f8e431720edad776f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/bb6f705b73b5f191f14ad004e2c8c4b615806187","name":"https://git.kernel.org/stable/c/bb6f705b73b5f191f14ad004e2c8c4b615806187","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/a2de1d71891a038a9346b2c1a72b88c8350f2479","name":"https://git.kernel.org/stable/c/a2de1d71891a038a9346b2c1a72b88c8350f2479","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/7fc4fab4acc307ad2903312c195872b2953d32c3","name":"https://git.kernel.org/stable/c/7fc4fab4acc307ad2903312c195872b2953d32c3","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/c90954cdea4d6998ec345de0d840d030c145b89e","name":"https://git.kernel.org/stable/c/c90954cdea4d6998ec345de0d840d030c145b89e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-53135","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53135","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c7ba3653e9773256b2b08508a2ed2ca28ea7566b ee9cfcf77a8e8af637396dc00966df5f701e661c git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c7ba3653e9773256b2b08508a2ed2ca28ea7566b b781f90a9528555c709e59789550893581ef0be4 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c7ba3653e9773256b2b08508a2ed2ca28ea7566b a2de1d71891a038a9346b2c1a72b88c8350f2479 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c7ba3653e9773256b2b08508a2ed2ca28ea7566b 7fc4fab4acc307ad2903312c195872b2953d32c3 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Fix NULL deref and buffer over-read in SDP debugfs\n\n[Why & How]\ndp_sdp_message_debugfs_write() dereferences connector->base.state->crtc\nwithout checking for NULL. A connector can be connected but not bound to\nany CRTC (e.g. after hot-plug before the next atomic commit), causing a\nkernel crash when writing to the sdp_message debugfs node.\n\nThe function also ignores the user-provided size argument and always\npasses 36 bytes to copy_from_user(), reading past the user buffer when\nsize < 36.\n\nFix both issues by:\n- Returning -ENODEV when connector->base.state or state->crtc is NULL\n- Clamping write_size to min(size, sizeof(data))\n\n(cherry picked from commit 6ab4c36a522842ff70474a1c0af2e40e50fc8300)"}],"providerMetadata":{"dateUpdated":"2026-06-25T08:38:24.216Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/ee9cfcf77a8e8af637396dc00966df5f701e661c"},{"url":"https://git.kernel.org/stable/c/b781f90a9528555c709e59789550893581ef0be4"},{"url":"https://git.kernel.org/stable/c/a2de1d71891a038a9346b2c1a72b88c8350f2479"},{"url":"https://git.kernel.org/stable/c/7fc4fab4acc307ad2903312c195872b2953d32c3"},{"url":"https://git.kernel.org/stable/c/7ae95c0275c330b5dbae806f8e431720edad776f"},{"url":"https://git.kernel.org/stable/c/bb6f705b73b5f191f14ad004e2c8c4b615806187"},{"url":"https://git.kernel.org/stable/c/c90954cdea4d6998ec345de0d840d030c145b89e"},{"url":"https://git.kernel.org/stable/c/adf67034b1f61f7119295208085bfd43f85f56af"}],"title":"drm/amd/display: Fix NULL deref and buffer over-read in SDP debugfs","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-53135","datePublished":"2026-06-25T08:38:24.216Z","dateReserved":"2026-06-09T07:44:35.387Z","dateUpdated":"2026-06-25T08:38:24.216Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-06-25 09:16:30","lastModifiedDate":"2026-06-25 09:16:30","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"53135","Ordinal":"1","Title":"drm/amd/display: Fix NULL deref and buffer over-read in SDP debu","CVE":"CVE-2026-53135","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"53135","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Fix NULL deref and buffer over-read in SDP debugfs\n\n[Why & How]\ndp_sdp_message_debugfs_write() dereferences connector->base.state->crtc\nwithout checking for NULL. A connector can be connected but not bound to\nany CRTC (e.g. after hot-plug before the next atomic commit), causing a\nkernel crash when writing to the sdp_message debugfs node.\n\nThe function also ignores the user-provided size argument and always\npasses 36 bytes to copy_from_user(), reading past the user buffer when\nsize < 36.\n\nFix both issues by:\n- Returning -ENODEV when connector->base.state or state->crtc is NULL\n- Clamping write_size to min(size, sizeof(data))\n\n(cherry picked from commit 6ab4c36a522842ff70474a1c0af2e40e50fc8300)","Type":"Description","Title":"drm/amd/display: Fix NULL deref and buffer over-read in SDP debu"}]}}}