{"cve":"CVE-2026-98963","nvd":{"published":"2026-10-23T13:17:17.713","modified":"2026-10-23T13:17:17.713","status":"Received","description":"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.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/033dda5b321f01661de518a8d5c8607ae8675b14","https://git.kernel.org/stable/c/80a8dbb30d2b00b9c671b02bd73f700f6d20100f","https://git.kernel.org/stable/c/a449433b0e3d4a3715d0bbee078f8c603f03c9f6"],"products":[],"source":"nvd","synced_at":"2026-10-23T16:39:28.036610720+00:00"},"epss":{"cve":"CVE-2026-98963","score":0.00174,"percentile":0.06807,"date":"2026-10-25"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}