{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "a1d2a6339961efc078208dc3b2f006e9e9a8e119"
            },
            {
              "fixed": "af1f276d50c9d7ebcd25770f358ca503a89d96d7"
            },
            {
              "fixed": "fd6bc5f1d6b54047b06b82bab25a7e21e4b1c95a"
            },
            {
              "fixed": "ad4e908096dff97646f77b04e2e2825225e215f7"
            },
            {
              "fixed": "788917ba77f5d69bd368c1d176ecceda346a2951"
            },
            {
              "fixed": "79a3331ee436c8b1454f897d539606c9b5ebdf9f"
            },
            {
              "fixed": "e2a7cee341986cb5b544a8286edc7fb0494c592e"
            },
            {
              "fixed": "e0773ad25a34a49aece176721c466cf214e02222"
            },
            {
              "fixed": "3b3bce4a692ac60d9f4a341e6b597dd1fd0a28f9"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.2.0"
            },
            {
              "fixed": "5.10.270"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.221"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.188"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.157"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.110"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.52"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.2.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93183.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/lima: call drm_mm_init() with a valid allocation range\n\nlima_vm_create() is currently run before va_start and va_end are set up,\nmeaning they are both 0. lima_vm_create() runs drm_mm_init() with them\nas arguments for the allocator, and if DRM_DEBUG_MM is enabled the\nDRM_MM_BUG_ON check in drm_mm_init then fires, as seen here on\nexynos4412-odroid-u2:\n\n[    1.736297] ------------[ cut here ]------------\n[    1.740370] kernel BUG at drivers/gpu/drm/drm_mm.c:931!\n[    1.745574] Internal error: Oops - BUG: 0 [#1] SMP ARM\n[    1.750697] Modules linked in:\n[    1.753734] CPU: 0 UID: 0 PID: 41 Comm: kworker/u16:1 Not tainted 7.0.10-postmarketos-exynos4 #11 PREEMPT\n[    1.763372] Hardware name: Samsung Exynos (Flattened Device Tree)\n[    1.769446] Workqueue: events_unbound deferred_probe_work_func\n[    1.775261] PC is at drm_mm_init+0x9c/0xa4\n[    1.779339] LR is at lima_vm_create+0x144/0x17c\n[ ... ]\n\nFix the issue by moving the lima_vm_create() call after va_start and\nva_end are set up.",
  "id": "CVE-2026-93183",
  "modified": "2026-09-19T03:30:39.333684284Z",
  "published": "2026-09-17T16:12:10.072Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3b3bce4a692ac60d9f4a341e6b597dd1fd0a28f9"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/788917ba77f5d69bd368c1d176ecceda346a2951"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/79a3331ee436c8b1454f897d539606c9b5ebdf9f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ad4e908096dff97646f77b04e2e2825225e215f7"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/af1f276d50c9d7ebcd25770f358ca503a89d96d7"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e0773ad25a34a49aece176721c466cf214e02222"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e2a7cee341986cb5b544a8286edc7fb0494c592e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/fd6bc5f1d6b54047b06b82bab25a7e21e4b1c95a"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93183.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-93183"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "drm/lima: call drm_mm_init() with a valid allocation range"
}