{"id":"CVE-2026-98963","title":"btrfs: always return -EIOCBQUEUED after btrfs_uring_read_extent_endio","summary":"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_r…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 34310c442e175f286b4c06ab5caa4e0b267ea31c < 033dda5b321f01661de518a8d5c8607ae8675b14","Linux >= 34310c442e175f286b4c06ab5caa4e0b267ea31c < a449433b0e3d4a3715d0bbee078f8c603f03c9f6","Linux >= 34310c442e175f286b4c06ab5caa4e0b267ea31c < 80a8dbb30d2b00b9c671b02bd73f700f6d20100f","Linux 6.13"],"published":"2026-10-23","updated":"2026-10-23","sourceUpdated":"2026-10-23T12:19:31.392Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-98963","references":[{"url":"https://git.kernel.org/stable/c/033dda5b321f01661de518a8d5c8607ae8675b14"},{"url":"https://git.kernel.org/stable/c/a449433b0e3d4a3715d0bbee078f8c603f03c9f6"},{"url":"https://git.kernel.org/stable/c/80a8dbb30d2b00b9c671b02bd73f700f6d20100f"}],"tags":["cve.org"],"ingestedAt":"2026-10-23T13:24:55.555Z","slug":"CVE-2026-98963","body":"## Overview\n\nIn 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.\n\n## Affected\n\n- `Linux >= 34310c442e175f286b4c06ab5caa4e0b267ea31c < 033dda5b321f01661de518a8d5c8607ae8675b14`\n- `Linux >= 34310c442e175f286b4c06ab5caa4e0b267ea31c < a449433b0e3d4a3715d0bbee078f8c603f03c9f6`\n- `Linux >= 34310c442e175f286b4c06ab5caa4e0b267ea31c < 80a8dbb30d2b00b9c671b02bd73f700f6d20100f`\n- `Linux 6.13`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}