{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-53135","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-06-09T07:44:35.387Z","datePublished":"2026-06-25T08:38:24.216Z","dateUpdated":"2026-06-25T08:38:24.216Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-06-25T08:38:24.216Z"},"descriptions":[{"lang":"en","value":"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)"}],"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/amdgpu_dm/amdgpu_dm_debugfs.c"],"versions":[{"version":"c7ba3653e9773256b2b08508a2ed2ca28ea7566b","lessThan":"ee9cfcf77a8e8af637396dc00966df5f701e661c","status":"affected","versionType":"git"},{"version":"c7ba3653e9773256b2b08508a2ed2ca28ea7566b","lessThan":"b781f90a9528555c709e59789550893581ef0be4","status":"affected","versionType":"git"},{"version":"c7ba3653e9773256b2b08508a2ed2ca28ea7566b","lessThan":"a2de1d71891a038a9346b2c1a72b88c8350f2479","status":"affected","versionType":"git"},{"version":"c7ba3653e9773256b2b08508a2ed2ca28ea7566b","lessThan":"7fc4fab4acc307ad2903312c195872b2953d32c3","status":"affected","versionType":"git"},{"version":"c7ba3653e9773256b2b08508a2ed2ca28ea7566b","lessThan":"7ae95c0275c330b5dbae806f8e431720edad776f","status":"affected","versionType":"git"},{"version":"c7ba3653e9773256b2b08508a2ed2ca28ea7566b","lessThan":"bb6f705b73b5f191f14ad004e2c8c4b615806187","status":"affected","versionType":"git"},{"version":"c7ba3653e9773256b2b08508a2ed2ca28ea7566b","lessThan":"c90954cdea4d6998ec345de0d840d030c145b89e","status":"affected","versionType":"git"},{"version":"c7ba3653e9773256b2b08508a2ed2ca28ea7566b","lessThan":"adf67034b1f61f7119295208085bfd43f85f56af","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/amdgpu_dm/amdgpu_dm_debugfs.c"],"versions":[{"version":"5.2","status":"affected"},{"version":"0","lessThan":"5.2","status":"unaffected","versionType":"semver"},{"version":"5.10.259","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.210","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.176","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.143","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.94","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.36","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.0.13","lessThanOrEqual":"7.0.*","status":"unaffected","versionType":"semver"},{"version":"7.1","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.2","versionEndExcluding":"5.10.259"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.2","versionEndExcluding":"5.15.210"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.2","versionEndExcluding":"6.1.176"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.2","versionEndExcluding":"6.6.143"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.2","versionEndExcluding":"6.12.94"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.2","versionEndExcluding":"6.18.36"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.2","versionEndExcluding":"7.0.13"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.2","versionEndExcluding":"7.1"}]}]}],"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"}}}}