{"id":"CVE-2026-80703","state":"PUBLISHED","title":"drm/amdkfd: Fix missing authorization check in KFD_IOC_DBG_TRAP_DISABLE","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdkfd: Fix missing authorization check in KFD_IOC_DBG_TRAP_DISABLE\n\nPrevent unauthorized termination of active GPU debug sessions.\nPreviously, users with /dev/kfd access could terminate another process's\ndebug session without proper ownership or ptrace authorization.\n\n(cherry picked from commit 4db4c5ffd5585b72622ecf6ffedf2da258ee23f5)","publishedAt":"2026-08-28T06:53:05.851Z","updatedAt":"2026-08-30T07:08:35.224Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"0ab2d7532b05a3e7c06fd3b0c8bd6b46c1dfb508","status":"affected","lessThan":"ce813614f63b020a826071276a92f2cfae7cba79","versionType":"git"},{"version":"0ab2d7532b05a3e7c06fd3b0c8bd6b46c1dfb508","status":"affected","lessThan":"b8c05061997408bf81759f2dd31cd5f66771d15f","versionType":"git"},{"version":"0ab2d7532b05a3e7c06fd3b0c8bd6b46c1dfb508","status":"affected","lessThan":"9e52212aff8ed1fd9087728f61243ce3efd9d0ac","versionType":"git"},{"version":"0ab2d7532b05a3e7c06fd3b0c8bd6b46c1dfb508","status":"affected","lessThan":"4070909ac042f44654aac72f7986ea550c96f591","versionType":"git"},{"version":"0ab2d7532b05a3e7c06fd3b0c8bd6b46c1dfb508","status":"affected","lessThan":"99b2fe4f19e3be0a8d0a0b5ea98d855970889653","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/amdkfd/kfd_chardev.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.5","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.5","versionType":"semver"},{"version":"6.6.151","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.103","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.44","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.8","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","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/amdkfd/kfd_chardev.c"]}],"references":["https://git.kernel.org/stable/c/ce813614f63b020a826071276a92f2cfae7cba79","https://git.kernel.org/stable/c/b8c05061997408bf81759f2dd31cd5f66771d15f","https://git.kernel.org/stable/c/9e52212aff8ed1fd9087728f61243ce3efd9d0ac","https://git.kernel.org/stable/c/4070909ac042f44654aac72f7986ea550c96f591","https://git.kernel.org/stable/c/99b2fe4f19e3be0a8d0a0b5ea98d855970889653"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:07.220Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/80xxx/CVE-2026-80703.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-80703","state":"PUBLISHED","datePublished":"2026-08-28T06:53:05.851Z","dateUpdated":"2026-08-30T07:08:35.224Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-08-26T14:34:25.786Z"},"containers":{"cna":{"title":"drm/amdkfd: Fix missing authorization check in KFD_IOC_DBG_TRAP_DISABLE","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdkfd: Fix missing authorization check in KFD_IOC_DBG_TRAP_DISABLE\n\nPrevent unauthorized termination of active GPU debug sessions.\nPreviously, users with /dev/kfd access could terminate another process's\ndebug session without proper ownership or ptrace authorization.\n\n(cherry picked from commit 4db4c5ffd5585b72622ecf6ffedf2da258ee23f5)"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"0ab2d7532b05a3e7c06fd3b0c8bd6b46c1dfb508","status":"affected","lessThan":"ce813614f63b020a826071276a92f2cfae7cba79","versionType":"git"},{"version":"0ab2d7532b05a3e7c06fd3b0c8bd6b46c1dfb508","status":"affected","lessThan":"b8c05061997408bf81759f2dd31cd5f66771d15f","versionType":"git"},{"version":"0ab2d7532b05a3e7c06fd3b0c8bd6b46c1dfb508","status":"affected","lessThan":"9e52212aff8ed1fd9087728f61243ce3efd9d0ac","versionType":"git"},{"version":"0ab2d7532b05a3e7c06fd3b0c8bd6b46c1dfb508","status":"affected","lessThan":"4070909ac042f44654aac72f7986ea550c96f591","versionType":"git"},{"version":"0ab2d7532b05a3e7c06fd3b0c8bd6b46c1dfb508","status":"affected","lessThan":"99b2fe4f19e3be0a8d0a0b5ea98d855970889653","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/amdkfd/kfd_chardev.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.5","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.5","versionType":"semver"},{"version":"6.6.151","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.103","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.44","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.8","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","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/amdkfd/kfd_chardev.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/ce813614f63b020a826071276a92f2cfae7cba79"},{"url":"https://git.kernel.org/stable/c/b8c05061997408bf81759f2dd31cd5f66771d15f"},{"url":"https://git.kernel.org/stable/c/9e52212aff8ed1fd9087728f61243ce3efd9d0ac"},{"url":"https://git.kernel.org/stable/c/4070909ac042f44654aac72f7986ea550c96f591"},{"url":"https://git.kernel.org/stable/c/99b2fe4f19e3be0a8d0a0b5ea98d855970889653"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-08-30T07:08:35.224Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.5","versionEndExcluding":"6.6.151"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.5","versionEndExcluding":"6.12.103"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.5","versionEndExcluding":"6.18.44"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.5","versionEndExcluding":"7.1.8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.5","versionEndExcluding":"7.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}