{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "a677ebd8ca2f2632ccdecbad7b87641274e15aac"
            },
            {
              "fixed": "61a8d06600c8c397f9a7e01940479d4c94a82f5f"
            },
            {
              "fixed": "f25e93768fcc5d8287e50b1ec52a42e4c276df34"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "88b7f1143b15b29cccb8392b4f38e75b7bb3e300"
            },
            {
              "last_affected": "51a6c2af9d20203ddeeaf73314ba8854b38d01bd"
            },
            {
              "last_affected": "a637fabac554270a851033f5ab402ecb90bc479c"
            },
            {
              "last_affected": "76af689a45aa44714b46d1a7de4ffdf851ded896"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "5.15.157"
            },
            {
              "fixed": "5.16"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "6.1.85"
            },
            {
              "fixed": "6.2"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "6.6.26"
            },
            {
              "fixed": "6.7"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "6.8.5"
            },
            {
              "fixed": "6.9"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.9.0"
            },
            {
              "fixed": "7.2.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89792.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: prevent out-of-bounds reads in share config responses\n\nValidate IPC share configuration payload sizes before consuming\nvariable-length fields. Bound veto list parsing and account for\nthe separator byte when deriving the path length.",
  "id": "CVE-2026-89792",
  "modified": "2026-09-18T03:30:33.001557425Z",
  "published": "2026-09-16T08:50:06.516Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/61a8d06600c8c397f9a7e01940479d4c94a82f5f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f25e93768fcc5d8287e50b1ec52a42e4c276df34"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89792.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-89792"
    },
    {
      "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:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "ksmbd: prevent out-of-bounds reads in share config responses"
}