{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "34310c442e175f286b4c06ab5caa4e0b267ea31c"
            },
            {
              "fixed": "033dda5b321f01661de518a8d5c8607ae8675b14"
            },
            {
              "fixed": "a449433b0e3d4a3715d0bbee078f8c603f03c9f6"
            },
            {
              "fixed": "80a8dbb30d2b00b9c671b02bd73f700f6d20100f"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.57"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.2.11"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98963.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: always return -EIOCBQUEUED after btrfs_uring_read_extent_endio\n\nIf all bios finish before btrfs_encoded_read_regular_fill_pages()\nreturns, it calls btrfs_uring_read_extent_endio() and previously\nreturned the I/O status.  A negative errno then made\nbtrfs_uring_read_extent() unlock and free while\nbtrfs_uring_read_finished() did the same again.\n\nReturn -EIOCBQUEUED so only the deferred path cleans up.",
  "id": "CVE-2026-98963",
  "modified": "2026-10-28T02:30:37.708933799Z",
  "published": "2026-10-23T12:19:31.392Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/033dda5b321f01661de518a8d5c8607ae8675b14"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/80a8dbb30d2b00b9c671b02bd73f700f6d20100f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a449433b0e3d4a3715d0bbee078f8c603f03c9f6"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98963.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-98963"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.2",
  "summary": "btrfs: always return -EIOCBQUEUED after btrfs_uring_read_extent_endio"
}