{"id":"CVE-2026-53144","summary":"drm/amdkfd: fix NULL dereference in get_queue_ids()","details":"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 \u003e 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)","modified":"2026-07-09T18:29:58.782090234Z","published":"2026-06-25T08:38:31.569Z","related":["CGA-m9gw-939x-7v66"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53144.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/2bd550b547deabef98bd3b017ff743b7c34d3a6d"},{"type":"WEB","url":"https://git.kernel.org/stable/c/62bd09e23a23da70f9aae02748eba3e6bd93095d"},{"type":"WEB","url":"https://git.kernel.org/stable/c/72e259a32084c42816152c346096d2edd4213e23"},{"type":"WEB","url":"https://git.kernel.org/stable/c/daeceb0fe2a19651c58bbfa3d9d515ecb6ca8996"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e1965e8913cfbf17622ca12638e7a07f68ba0848"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53144.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53144"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"a70a93fa568b4f05aba548dadb673703eccf5480"},{"fixed":"62bd09e23a23da70f9aae02748eba3e6bd93095d"},{"fixed":"daeceb0fe2a19651c58bbfa3d9d515ecb6ca8996"},{"fixed":"72e259a32084c42816152c346096d2edd4213e23"},{"fixed":"e1965e8913cfbf17622ca12638e7a07f68ba0848"},{"fixed":"2bd550b547deabef98bd3b017ff743b7c34d3a6d"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-53144.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.5.0"},{"fixed":"6.6.143"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.94"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.36"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.0.13"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-53144.json"}}],"schema_version":"1.7.5"}