{"id":"CVE-2026-98962","title":"btrfs: free iov when btrfs_uring_read_extent() fails","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: free iov when btrfs_uring_read_extent() fails\n\nAfter btrfs_uring_read_extent(), the caller always jumped to out_acct.\nThat skips kfree(data->iov), which is only …","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 34310c442e175f286b4c06ab5caa4e0b267ea31c < 7a3addbdc5ad1fd80541a6a4ff4e06cd1331530a","Linux >= 34310c442e175f286b4c06ab5caa4e0b267ea31c < 578ef517142420cf9d36b364ad4b3490b85469fb","Linux >= 34310c442e175f286b4c06ab5caa4e0b267ea31c < a8ea92830b3e0e163d4e829bdcb17ca83c0f951c","Linux 6.13"],"published":"2026-10-23","updated":"2026-10-23","sourceUpdated":"2026-10-23T12:19:30.482Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-98962","references":[{"url":"https://git.kernel.org/stable/c/7a3addbdc5ad1fd80541a6a4ff4e06cd1331530a"},{"url":"https://git.kernel.org/stable/c/578ef517142420cf9d36b364ad4b3490b85469fb"},{"url":"https://git.kernel.org/stable/c/a8ea92830b3e0e163d4e829bdcb17ca83c0f951c"}],"tags":["cve.org"],"ingestedAt":"2026-10-23T13:24:55.555Z","slug":"CVE-2026-98962","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: free iov when btrfs_uring_read_extent() fails\n\nAfter btrfs_uring_read_extent(), the caller always jumped to out_acct.\nThat skips kfree(data->iov), which is only correct for -EIOCBQUEUED\nwhere the deferred path owns the iov. On failure, fall through to\nout_free instead.\n\n## Affected\n\n- `Linux >= 34310c442e175f286b4c06ab5caa4e0b267ea31c < 7a3addbdc5ad1fd80541a6a4ff4e06cd1331530a`\n- `Linux >= 34310c442e175f286b4c06ab5caa4e0b267ea31c < 578ef517142420cf9d36b364ad4b3490b85469fb`\n- `Linux >= 34310c442e175f286b4c06ab5caa4e0b267ea31c < a8ea92830b3e0e163d4e829bdcb17ca83c0f951c`\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":[]}