{"id":"CVE-2026-98962","state":"PUBLISHED","title":"btrfs: free iov when btrfs_uring_read_extent() fails","description":"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 correct for -EIOCBQUEUED\nwhere the deferred path owns the iov. On failure, fall through to\nout_free instead.","publishedAt":"2026-10-23T12:19:30.482Z","updatedAt":"2026-10-23T12:19:30.482Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"34310c442e175f286b4c06ab5caa4e0b267ea31c","status":"affected","lessThan":"7a3addbdc5ad1fd80541a6a4ff4e06cd1331530a","versionType":"git"},{"version":"34310c442e175f286b4c06ab5caa4e0b267ea31c","status":"affected","lessThan":"578ef517142420cf9d36b364ad4b3490b85469fb","versionType":"git"},{"version":"34310c442e175f286b4c06ab5caa4e0b267ea31c","status":"affected","lessThan":"a8ea92830b3e0e163d4e829bdcb17ca83c0f951c","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/btrfs/ioctl.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.13","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.13","versionType":"semver"},{"version":"6.18.57","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.11","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/btrfs/ioctl.c"]}],"references":["https://git.kernel.org/stable/c/7a3addbdc5ad1fd80541a6a4ff4e06cd1331530a","https://git.kernel.org/stable/c/578ef517142420cf9d36b364ad4b3490b85469fb","https://git.kernel.org/stable/c/a8ea92830b3e0e163d4e829bdcb17ca83c0f951c"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:43.249Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/98xxx/CVE-2026-98962.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-98962","state":"PUBLISHED","datePublished":"2026-10-23T12:19:30.482Z","dateUpdated":"2026-10-23T12:19:30.482Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-25T10:25:14.382Z"},"containers":{"cna":{"title":"btrfs: free iov when btrfs_uring_read_extent() fails","descriptions":[{"lang":"en","value":"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 correct for -EIOCBQUEUED\nwhere the deferred path owns the iov. On failure, fall through to\nout_free instead."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"34310c442e175f286b4c06ab5caa4e0b267ea31c","status":"affected","lessThan":"7a3addbdc5ad1fd80541a6a4ff4e06cd1331530a","versionType":"git"},{"version":"34310c442e175f286b4c06ab5caa4e0b267ea31c","status":"affected","lessThan":"578ef517142420cf9d36b364ad4b3490b85469fb","versionType":"git"},{"version":"34310c442e175f286b4c06ab5caa4e0b267ea31c","status":"affected","lessThan":"a8ea92830b3e0e163d4e829bdcb17ca83c0f951c","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/btrfs/ioctl.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.13","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.13","versionType":"semver"},{"version":"6.18.57","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.11","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/btrfs/ioctl.c"]}],"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"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-23T12:19:30.482Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"6.18.57"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"7.2.11"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}