{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "7e00b52c8cdd9d3a985d63d72ecae7bde6314883"
            },
            {
              "fixed": "cd75e77125c8a51754ca4cd60b4ca083ed735d1d"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "5c65f097124770c3e5b9b83ed1a8b68c119bc7b5"
            },
            {
              "fixed": "0616137b70e6d9a547d4b60df8e1b64e36d83661"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "2bed9455db7cc0ab7ece6b3d846472097b52855a"
            },
            {
              "fixed": "36990407cdd257473607e33802d00e978af2759e"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "194b3348bdbb7db65375c72f3f774aee4cc6614e"
            },
            {
              "fixed": "c93f23375d8c410954b0df825e814b632fd62b9d"
            },
            {
              "fixed": "5962c30a6f05ea1ab73f039e235bb30716243517"
            },
            {
              "fixed": "36244dfd3853f7bf89d03b8e90d56b23ce7fbc16"
            },
            {
              "fixed": "d15cda135148ea7ba929cfdbcf208182bc29a7aa"
            },
            {
              "fixed": "22d169bdd2849fe6bd18c2643742e1c02be6451c"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "1b48c70feefc499b62670521efa002ab01e05df5"
            },
            {
              "last_affected": "bc348a6cc8f92e9979fbfbb3c6b48fd51b4b1dbf"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "5.10.175"
            },
            {
              "fixed": "5.10.252"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "5.15.103"
            },
            {
              "fixed": "5.15.202"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "6.1.16"
            },
            {
              "fixed": "6.1.165"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "5.4.237"
            },
            {
              "fixed": "5.5"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "6.2.3"
            },
            {
              "fixed": "6.3"
            }
          ],
          "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": "5.10.252"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.202"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.165"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.128"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.3.0"
            },
            {
              "fixed": "6.12.75"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.18.14"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.19.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/45xxx/CVE-2026-45862.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\niommu/vt-d: Flush cache for PASID table before using it\n\nWhen writing the address of a freshly allocated zero-initialized PASID\ntable to a PASID directory entry, do that after the CPU cache flush for\nthis PASID table, not before it, to avoid the time window when this\nPASID table may be already used by non-coherent IOMMU hardware while\nits contents in RAM is still some random old data, not zero-initialized.",
  "id": "CVE-2026-45862",
  "modified": "2026-07-08T05:36:47.041117822Z",
  "published": "2026-05-27T12:15:41.903Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0616137b70e6d9a547d4b60df8e1b64e36d83661"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/22d169bdd2849fe6bd18c2643742e1c02be6451c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/36244dfd3853f7bf89d03b8e90d56b23ce7fbc16"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/36990407cdd257473607e33802d00e978af2759e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5962c30a6f05ea1ab73f039e235bb30716243517"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c93f23375d8c410954b0df825e814b632fd62b9d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/cd75e77125c8a51754ca4cd60b4ca083ed735d1d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d15cda135148ea7ba929cfdbcf208182bc29a7aa"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/45xxx/CVE-2026-45862.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-45862"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.7.5",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "iommu/vt-d: Flush cache for PASID table before using it"
}