{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "59bc055211b8d266ab6089158058bf8268e02006"
            },
            {
              "fixed": "dbcc7d1b818162aeab2e97fd217d86546d9fde15"
            },
            {
              "fixed": "ec33e6b7a1de20d7e623b12633191a855445657d"
            },
            {
              "fixed": "0c2c54a7d174edc845f7bae24179fe72a926d10f"
            },
            {
              "fixed": "5677737c2cedf417c0fcf61540b9cef0e62273d4"
            },
            {
              "fixed": "f2a1611065c700a374b31c5cc8a7587f5e3bfe73"
            },
            {
              "fixed": "106e1a3b2b3454fbda63a59e9290cb9a253f81aa"
            },
            {
              "fixed": "3371d30a97a257b7b5f2c8009612e9d452180f0a"
            },
            {
              "fixed": "2f7dd9b86fe4076059e6a4a2a2c5d565afd76b9e"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "2.6.33"
            },
            {
              "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-2026-90434.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nisofs: release zisofs block pointer buffer head\n\nzisofs_fill_pages() reads the compressed block pointer table.  The error\npaths release the current buffer_head, the loop also releases the old\nbuffer_head when it advances. However, the success path leaves the last\nbuffer_head referenced. Release it before returning success.",
  "id": "CVE-2026-90434",
  "modified": "2026-09-19T03:30:51.816840540Z",
  "published": "2026-09-17T16:09:53.716Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0c2c54a7d174edc845f7bae24179fe72a926d10f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/106e1a3b2b3454fbda63a59e9290cb9a253f81aa"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2f7dd9b86fe4076059e6a4a2a2c5d565afd76b9e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3371d30a97a257b7b5f2c8009612e9d452180f0a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5677737c2cedf417c0fcf61540b9cef0e62273d4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/dbcc7d1b818162aeab2e97fd217d86546d9fde15"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ec33e6b7a1de20d7e623b12633191a855445657d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f2a1611065c700a374b31c5cc8a7587f5e3bfe73"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90434.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-90434"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "isofs: release zisofs block pointer buffer head"
}