{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2"
            },
            {
              "fixed": "8924e2594a15bdbd07f8696770864366d787ab70"
            },
            {
              "fixed": "2ff5bb3645c72b3690e70c513a62a86600c4632f"
            },
            {
              "fixed": "5f0f2ddeac738e2ca9d12cb76a1ff2904e85ecc3"
            },
            {
              "fixed": "7c35bf94150d872e670a6632aa819d320279effb"
            },
            {
              "fixed": "38b73293f38658a4685ffcea666462024f858ad9"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6.6.151"
            },
            {
              "fixed": "6.12.103"
            },
            {
              "fixed": "6.18.44"
            },
            {
              "fixed": "7.1.8"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6.6.151"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.103"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.44"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.1.8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74448.json"
  },
  "details": "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-\u003equeue_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)",
  "id": "CVE-2026-74448",
  "modified": "2026-08-18T03:31:26.214344099Z",
  "published": "2026-08-15T12:26:53.915Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2ff5bb3645c72b3690e70c513a62a86600c4632f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/38b73293f38658a4685ffcea666462024f858ad9"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5f0f2ddeac738e2ca9d12cb76a1ff2904e85ecc3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7c35bf94150d872e670a6632aa819d320279effb"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8924e2594a15bdbd07f8696770864366d787ab70"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74448.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-74448"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "drm/amdkfd: fix QID bit leak in pqm_create_queue()"
}