{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "bda324fd037a6b0d44da5699574ce741ca161bc4"
            },
            {
              "fixed": "ddb57354634b6ba851b79da45f1de42c646f27d0"
            },
            {
              "fixed": "7441d35d14d9a3d66d925d90cb73c75394e6d454"
            },
            {
              "fixed": "406db68f9cb976a8ddfafd631197264f2307e9c9"
            },
            {
              "fixed": "cd025c1e876b4e262e71398236a1550486a73ede"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.19.0"
            },
            {
              "fixed": "6.12.75"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.16"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "6.19.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43248.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nvhost: move vdpa group bound check to vhost_vdpa\n\nRemove duplication by consolidating these here.  This reduces the\nposibility of a parent driver missing them.\n\nWhile we're at it, fix a bug in vdpa_sim where a valid ASID can be\nassigned to a group equal to ngroups, causing an out of bound write.",
  "id": "CVE-2026-43248",
  "modified": "2026-07-08T05:38:36.535101202Z",
  "published": "2026-05-06T11:28:39.578Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/406db68f9cb976a8ddfafd631197264f2307e9c9"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7441d35d14d9a3d66d925d90cb73c75394e6d454"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/cd025c1e876b4e262e71398236a1550486a73ede"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ddb57354634b6ba851b79da45f1de42c646f27d0"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43248.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-43248"
    },
    {
      "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:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "vhost: move vdpa group bound check to vhost_vdpa"
}