{"id":"CVE-2026-53144","state":"PUBLISHED","title":"drm/amdkfd: fix NULL dereference in get_queue_ids()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdkfd: fix NULL dereference in get_queue_ids()\n\nWhen usr_queue_id_array is NULL and num_queues is non-zero,\nget_queue_ids() returns NULL. The callers check only IS_ERR() on the\nreturn value; since IS_ERR(NULL) == false the check passes, and\nsuspend_queues() calls q_array_invalidate() which immediately\ndereferences NULL while iterating num_queues times.\n\nUserspace can trigger this via kfd_ioctl_set_debug_trap() by supplying\nnum_queues > 0 with a zero queue_array_ptr, causing a kernel panic.\n\nA NULL usr_queue_id_array with num_queues == 0 is a legitimate no-op\n(q_array_invalidate never executes, and resume_queues already guards\nall queue_ids dereferences behind a NULL check). Return ERR_PTR(-EINVAL)\nonly when num_queues is non-zero and the pointer is absent; both callers\nalready propagate IS_ERR() returns correctly to userspace.\n\n(cherry picked from commit f165a82cdf503884bb1797771c61b2fcc72113d4)","publishedAt":"2026-06-25T08:38:31.569Z","updatedAt":"2026-06-25T08:38:31.569Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"a70a93fa568b4f05aba548dadb673703eccf5480","status":"affected","lessThan":"62bd09e23a23da70f9aae02748eba3e6bd93095d","versionType":"git"},{"version":"a70a93fa568b4f05aba548dadb673703eccf5480","status":"affected","lessThan":"daeceb0fe2a19651c58bbfa3d9d515ecb6ca8996","versionType":"git"},{"version":"a70a93fa568b4f05aba548dadb673703eccf5480","status":"affected","lessThan":"72e259a32084c42816152c346096d2edd4213e23","versionType":"git"},{"version":"a70a93fa568b4f05aba548dadb673703eccf5480","status":"affected","lessThan":"e1965e8913cfbf17622ca12638e7a07f68ba0848","versionType":"git"},{"version":"a70a93fa568b4f05aba548dadb673703eccf5480","status":"affected","lessThan":"2bd550b547deabef98bd3b017ff743b7c34d3a6d","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.5","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.5","versionType":"semver"},{"version":"6.6.143","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.94","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.36","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.0.13","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/amdkfd/kfd_device_queue_manager.c"]}],"references":["https://git.kernel.org/stable/c/62bd09e23a23da70f9aae02748eba3e6bd93095d","https://git.kernel.org/stable/c/daeceb0fe2a19651c58bbfa3d9d515ecb6ca8996","https://git.kernel.org/stable/c/72e259a32084c42816152c346096d2edd4213e23","https://git.kernel.org/stable/c/e1965e8913cfbf17622ca12638e7a07f68ba0848","https://git.kernel.org/stable/c/2bd550b547deabef98bd3b017ff743b7c34d3a6d"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:16.098Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/53xxx/CVE-2026-53144.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-53144","state":"PUBLISHED","datePublished":"2026-06-25T08:38:31.569Z","dateUpdated":"2026-06-25T08:38:31.569Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-06-09T07:44:35.387Z"},"containers":{"cna":{"title":"drm/amdkfd: fix NULL dereference in get_queue_ids()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdkfd: fix NULL dereference in get_queue_ids()\n\nWhen usr_queue_id_array is NULL and num_queues is non-zero,\nget_queue_ids() returns NULL. The callers check only IS_ERR() on the\nreturn value; since IS_ERR(NULL) == false the check passes, and\nsuspend_queues() calls q_array_invalidate() which immediately\ndereferences NULL while iterating num_queues times.\n\nUserspace can trigger this via kfd_ioctl_set_debug_trap() by supplying\nnum_queues > 0 with a zero queue_array_ptr, causing a kernel panic.\n\nA NULL usr_queue_id_array with num_queues == 0 is a legitimate no-op\n(q_array_invalidate never executes, and resume_queues already guards\nall queue_ids dereferences behind a NULL check). Return ERR_PTR(-EINVAL)\nonly when num_queues is non-zero and the pointer is absent; both callers\nalready propagate IS_ERR() returns correctly to userspace.\n\n(cherry picked from commit f165a82cdf503884bb1797771c61b2fcc72113d4)"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"a70a93fa568b4f05aba548dadb673703eccf5480","status":"affected","lessThan":"62bd09e23a23da70f9aae02748eba3e6bd93095d","versionType":"git"},{"version":"a70a93fa568b4f05aba548dadb673703eccf5480","status":"affected","lessThan":"daeceb0fe2a19651c58bbfa3d9d515ecb6ca8996","versionType":"git"},{"version":"a70a93fa568b4f05aba548dadb673703eccf5480","status":"affected","lessThan":"72e259a32084c42816152c346096d2edd4213e23","versionType":"git"},{"version":"a70a93fa568b4f05aba548dadb673703eccf5480","status":"affected","lessThan":"e1965e8913cfbf17622ca12638e7a07f68ba0848","versionType":"git"},{"version":"a70a93fa568b4f05aba548dadb673703eccf5480","status":"affected","lessThan":"2bd550b547deabef98bd3b017ff743b7c34d3a6d","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.5","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.5","versionType":"semver"},{"version":"6.6.143","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.94","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.36","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.0.13","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/amdkfd/kfd_device_queue_manager.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/62bd09e23a23da70f9aae02748eba3e6bd93095d"},{"url":"https://git.kernel.org/stable/c/daeceb0fe2a19651c58bbfa3d9d515ecb6ca8996"},{"url":"https://git.kernel.org/stable/c/72e259a32084c42816152c346096d2edd4213e23"},{"url":"https://git.kernel.org/stable/c/e1965e8913cfbf17622ca12638e7a07f68ba0848"},{"url":"https://git.kernel.org/stable/c/2bd550b547deabef98bd3b017ff743b7c34d3a6d"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-06-25T08:38:31.569Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.5","versionEndExcluding":"6.6.143"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.5","versionEndExcluding":"6.12.94"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.5","versionEndExcluding":"6.18.36"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.5","versionEndExcluding":"7.0.13"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.5","versionEndExcluding":"7.1"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}