{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "9420139f516d7fbc248ce17f35275cb005ed98ea"
            },
            {
              "fixed": "ac9cd0a669b8be5d178dbd471b0d68039dac58b5"
            },
            {
              "fixed": "db46cb9da83a507d86d2bb080bdb09c865da3d0a"
            },
            {
              "fixed": "d56c3f955b21e5764c1497e295a5b5d0b3a40470"
            },
            {
              "fixed": "06dffc96693083dda3412311406e558cf27f1574"
            },
            {
              "fixed": "a4ace31d732b657d774e31fb444c0c27d42c78e5"
            },
            {
              "fixed": "fb0b39287ba894dbdfac2901c51788b63f5c2291"
            },
            {
              "fixed": "8c486293ddd0af60991408149fc3e964ea888dc4"
            },
            {
              "fixed": "af95a0ebc0a0db0762be75f51eadf770bad01aaa"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "47184b9ddf184cc9a77cf441943a0fe9b7afa575"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "5.8.6"
            },
            {
              "fixed": "5.9"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.9.0"
            },
            {
              "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/2026/90xxx/CVE-2026-90388.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\niommu/dma: Check atomic pool allocation result directly\n\nThe non-blocking, non-coherent allocation path uses dma_alloc_from_pool(),\nwhich returns the allocated page and fills cpu_addr only on success.\n\nDo not rely on cpu_addr to detect allocation failure in this path. Check\nthe returned page directly before using it for the IOMMU mapping.",
  "id": "CVE-2026-90388",
  "modified": "2026-09-20T11:31:05.639470116Z",
  "published": "2026-09-17T16:09:23.140Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/06dffc96693083dda3412311406e558cf27f1574"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8c486293ddd0af60991408149fc3e964ea888dc4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a4ace31d732b657d774e31fb444c0c27d42c78e5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ac9cd0a669b8be5d178dbd471b0d68039dac58b5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/af95a0ebc0a0db0762be75f51eadf770bad01aaa"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d56c3f955b21e5764c1497e295a5b5d0b3a40470"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/db46cb9da83a507d86d2bb080bdb09c865da3d0a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/fb0b39287ba894dbdfac2901c51788b63f5c2291"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90388.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-90388"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "iommu/dma: Check atomic pool allocation result directly"
}