{"cve":"CVE-2026-74448","nvd":{"published":"2026-08-15T13:17:49.390","modified":"2026-08-18T07:16:54.720","status":"Received","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdkfd: fix QID bit leak in pqm_create_queue()\n\nWhen MES is enabled and amdgpu_amdkfd_alloc_kernel_mem() fails during\nthe first queue creation for a process, pqm_create_queue() returns\nearly via 'return retval' without going through the err_create_queue\ncleanup label.\n\nThis means clear_bit(*qid, pqm->queue_slot_bitmap) is never called,\nleaving the reserved QID bit permanently set in queue_slot_bitmap.\nOver time this leaks QID slots, potentially exhausting all available\nqueue slots.\n\nFix this by replacing 'return retval' with 'goto err_allocate_pqn'\nso that clear_bit() is always called on the error path without\ntouching the uninitialized pqn pointer.\n\nAILIKFD-813\n\n(cherry picked from commit a107f74c38edbb80d6ab64dcaeeb292c14e9779f)","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/2ff5bb3645c72b3690e70c513a62a86600c4632f","https://git.kernel.org/stable/c/38b73293f38658a4685ffcea666462024f858ad9","https://git.kernel.org/stable/c/5f0f2ddeac738e2ca9d12cb76a1ff2904e85ecc3","https://git.kernel.org/stable/c/7c35bf94150d872e670a6632aa819d320279effb","https://git.kernel.org/stable/c/8924e2594a15bdbd07f8696770864366d787ab70"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:49:10.689564601+00:00"},"epss":{"cve":"CVE-2026-74448","score":0.00168,"percentile":0.06076,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}