{"id":"CVE-2026-53293","state":"PUBLISHED","title":"drm/amdgpu: fix AMDGPU_INFO_READ_MMR_REG","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: fix AMDGPU_INFO_READ_MMR_REG\n\nThere were multiple issues in that code.\n\nFirst of all the order between the reset semaphore and the mm_lock was\nwrong (e.g. copy_to_user) was called while holding the lock.\n\nThen we allocated memory while holding the reset semaphore which is also\na pretty big bug and can deadlock.\n\nThen we used down_read_trylock() instead of waiting for the reset to\nfinish.\n\n(cherry picked from commit 361b6e6b303d4b691f6c5974d3eaab67ca6dd90e)","publishedAt":"2026-06-26T19:40:52.132Z","updatedAt":"2026-06-26T19:40:52.132Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"8361e3f7882876d98ba98cae0d3149450dd80912","status":"affected","lessThan":"8c4254c8f5836e77ae83e7fc037f02b69f7a0977","versionType":"git"},{"version":"9e823f307074c0f82b5f6044943b0086e3079bed","status":"affected","lessThan":"61957c2e467b39b528a290016367d32a433fa846","versionType":"git"},{"version":"9e823f307074c0f82b5f6044943b0086e3079bed","status":"affected","lessThan":"a31c3feb54b15a90232e497ad0e27e8a82052d8d","versionType":"git"},{"version":"9e823f307074c0f82b5f6044943b0086e3079bed","status":"affected","lessThan":"5c29d20470d4566d1b68df57097d642d01f8b427","versionType":"git"},{"version":"9e823f307074c0f82b5f6044943b0086e3079bed","status":"affected","lessThan":"0ef196a208385b7d7da79f411c161b04e97283e2","versionType":"git"},{"version":"17a98c942cb106ec08564e8f43b5470a4dd5d3f6","status":"affected","versionType":"git"},{"version":"9a98563345697bdb1d3410ff428473b2e781f4db","status":"affected","versionType":"git"},{"version":"6.6.55","status":"affected","lessThan":"6.6.141","versionType":"semver"},{"version":"6.10.14","status":"affected","lessThan":"6.11","versionType":"semver"},{"version":"6.11.3","status":"affected","lessThan":"6.12","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.12","versionType":"semver"},{"version":"6.6.141","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.91","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.33","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.0.10","status":"unaffected","lessThanOrEqual":"7.0.*","versionType":"semver"},{"version":"7.1","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/amdgpu/amdgpu_kms.c"]}],"references":["https://git.kernel.org/stable/c/8c4254c8f5836e77ae83e7fc037f02b69f7a0977","https://git.kernel.org/stable/c/61957c2e467b39b528a290016367d32a433fa846","https://git.kernel.org/stable/c/a31c3feb54b15a90232e497ad0e27e8a82052d8d","https://git.kernel.org/stable/c/5c29d20470d4566d1b68df57097d642d01f8b427","https://git.kernel.org/stable/c/0ef196a208385b7d7da79f411c161b04e97283e2"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:16.098Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/53xxx/CVE-2026-53293.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-53293","state":"PUBLISHED","datePublished":"2026-06-26T19:40:52.132Z","dateUpdated":"2026-06-26T19:40:52.132Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-06-09T07:44:35.396Z"},"containers":{"cna":{"title":"drm/amdgpu: fix AMDGPU_INFO_READ_MMR_REG","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: fix AMDGPU_INFO_READ_MMR_REG\n\nThere were multiple issues in that code.\n\nFirst of all the order between the reset semaphore and the mm_lock was\nwrong (e.g. copy_to_user) was called while holding the lock.\n\nThen we allocated memory while holding the reset semaphore which is also\na pretty big bug and can deadlock.\n\nThen we used down_read_trylock() instead of waiting for the reset to\nfinish.\n\n(cherry picked from commit 361b6e6b303d4b691f6c5974d3eaab67ca6dd90e)"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"8361e3f7882876d98ba98cae0d3149450dd80912","status":"affected","lessThan":"8c4254c8f5836e77ae83e7fc037f02b69f7a0977","versionType":"git"},{"version":"9e823f307074c0f82b5f6044943b0086e3079bed","status":"affected","lessThan":"61957c2e467b39b528a290016367d32a433fa846","versionType":"git"},{"version":"9e823f307074c0f82b5f6044943b0086e3079bed","status":"affected","lessThan":"a31c3feb54b15a90232e497ad0e27e8a82052d8d","versionType":"git"},{"version":"9e823f307074c0f82b5f6044943b0086e3079bed","status":"affected","lessThan":"5c29d20470d4566d1b68df57097d642d01f8b427","versionType":"git"},{"version":"9e823f307074c0f82b5f6044943b0086e3079bed","status":"affected","lessThan":"0ef196a208385b7d7da79f411c161b04e97283e2","versionType":"git"},{"version":"17a98c942cb106ec08564e8f43b5470a4dd5d3f6","status":"affected","versionType":"git"},{"version":"9a98563345697bdb1d3410ff428473b2e781f4db","status":"affected","versionType":"git"},{"version":"6.6.55","status":"affected","lessThan":"6.6.141","versionType":"semver"},{"version":"6.10.14","status":"affected","lessThan":"6.11","versionType":"semver"},{"version":"6.11.3","status":"affected","lessThan":"6.12","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.12","versionType":"semver"},{"version":"6.6.141","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.91","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.33","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.0.10","status":"unaffected","lessThanOrEqual":"7.0.*","versionType":"semver"},{"version":"7.1","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/amdgpu/amdgpu_kms.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/8c4254c8f5836e77ae83e7fc037f02b69f7a0977"},{"url":"https://git.kernel.org/stable/c/61957c2e467b39b528a290016367d32a433fa846"},{"url":"https://git.kernel.org/stable/c/a31c3feb54b15a90232e497ad0e27e8a82052d8d"},{"url":"https://git.kernel.org/stable/c/5c29d20470d4566d1b68df57097d642d01f8b427"},{"url":"https://git.kernel.org/stable/c/0ef196a208385b7d7da79f411c161b04e97283e2"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-06-26T19:40:52.132Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6.55","versionEndExcluding":"6.6.141"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.12","versionEndExcluding":"6.12.91"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.12","versionEndExcluding":"6.18.33"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.12","versionEndExcluding":"7.0.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.12","versionEndExcluding":"7.1"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.10.14"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.11.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}