CVE-2026-98091

btrfs: detach failed sprout device from transaction update list

State: Published
Severity: Not scored
Published: Sep 25, 2026
Updated: Oct 19, 2026
Reserved: Sep 25, 2026

Description

In the Linux kernel, the following vulnerability has been resolved:

btrfs: detach failed sprout device from transaction update list

When creating the first metadata chunk for a sprout filesystem, create_chunk() adds the new device to the transaction dev_update_list through device->post_commit_list.

If the subsequent system chunk creation fails, btrfs_init_new_device() aborts the transaction and releases the device while post_commit_list is still linked. This triggers a warning in btrfs_free_device() and leaves the transaction list referencing freed memory.

Detach the device while holding chunk_mutex before releasing it.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	bbbf7243d62d8be73b7ef60721c127b36b2d523e to before 2a57fb1d5ce8f316b81bbb60e6df245ebc816ffcAffected bbbf7243d62d8be73b7ef60721c127b36b2d523e to before 86eff3052054e8f3b059b2d5845b6dcca021f20cAffected bbbf7243d62d8be73b7ef60721c127b36b2d523e to before 63bfa52eb3289517aa82cb90e1189385873aae21Affected bbbf7243d62d8be73b7ef60721c127b36b2d523e to before 7fe9dfbca43464baa8f050447a4837587b18adecAffected bbbf7243d62d8be73b7ef60721c127b36b2d523e to before e9e7e37afa85db770e6084360b21a21a8b3a583fAffected bbbf7243d62d8be73b7ef60721c127b36b2d523e to before 8b001df2b37ca022f710f3254fbb0bcd6d9e1bedAffected bbbf7243d62d8be73b7ef60721c127b36b2d523e to before 0ea6814bc0ff7cff443241bd34db9f0f828f3190Affected bbbf7243d62d8be73b7ef60721c127b36b2d523e to before c93b3c43df561cd9f592cee20ae058b563f9e5b6Affected
LinuxLinux	5.2Affected before 5.2Not affected 5.10.271 through 5.10.Not affected 5.15.222 through 5.15.Not affected 6.1.189 through 6.1.Not affected 6.6.158 through 6.6.Not affected 6.12.111 through 6.12.Not affected 6.18.53 through 6.18.Not affected 7.2.7 through 7.2.*Not affected 7.3 and laterNot affected

Product

Versions

LinuxLinux

bbbf7243d62d8be73b7ef60721c127b36b2d523e to before 2a57fb1d5ce8f316b81bbb60e6df245ebc816ffcAffected
bbbf7243d62d8be73b7ef60721c127b36b2d523e to before 86eff3052054e8f3b059b2d5845b6dcca021f20cAffected
bbbf7243d62d8be73b7ef60721c127b36b2d523e to before 63bfa52eb3289517aa82cb90e1189385873aae21Affected
bbbf7243d62d8be73b7ef60721c127b36b2d523e to before 7fe9dfbca43464baa8f050447a4837587b18adecAffected
bbbf7243d62d8be73b7ef60721c127b36b2d523e to before e9e7e37afa85db770e6084360b21a21a8b3a583fAffected
bbbf7243d62d8be73b7ef60721c127b36b2d523e to before 8b001df2b37ca022f710f3254fbb0bcd6d9e1bedAffected
bbbf7243d62d8be73b7ef60721c127b36b2d523e to before 0ea6814bc0ff7cff443241bd34db9f0f828f3190Affected
bbbf7243d62d8be73b7ef60721c127b36b2d523e to before c93b3c43df561cd9f592cee20ae058b563f9e5b6Affected

LinuxLinux

5.2Affected
before 5.2Not affected
5.10.271 through 5.10.*Not affected
5.15.222 through 5.15.*Not affected
6.1.189 through 6.1.*Not affected
6.6.158 through 6.6.*Not affected
6.12.111 through 6.12.*Not affected
6.18.53 through 6.18.*Not affected
7.2.7 through 7.2.*Not affected
7.3 and laterNot affected

References

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