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CVE-2026-98091 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.5 MEDIUMVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://git.kernel.org/stable/c/0ea6814bc0ff7cff443241bd34db9f0f828f3190	kernel.org	Patch
https://git.kernel.org/stable/c/2a57fb1d5ce8f316b81bbb60e6df245ebc816ffc	kernel.org	Patch
https://git.kernel.org/stable/c/63bfa52eb3289517aa82cb90e1189385873aae21	kernel.org	Patch
https://git.kernel.org/stable/c/7fe9dfbca43464baa8f050447a4837587b18adec	kernel.org	Patch
https://git.kernel.org/stable/c/86eff3052054e8f3b059b2d5845b6dcca021f20c	kernel.org	Patch
https://git.kernel.org/stable/c/8b001df2b37ca022f710f3254fbb0bcd6d9e1bed	kernel.org	Patch
https://git.kernel.org/stable/c/c93b3c43df561cd9f592cee20ae058b563f9e5b6	kernel.org	Patch
https://git.kernel.org/stable/c/e9e7e37afa85db770e6084360b21a21a8b3a583f	kernel.org	Patch

see all 8 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-416	Use After Free	[email protected]

Affected Products

Product	Versions
linux linux kernel	>= 5.2, < 5.10.271 >= 5.11, < 5.15.222 >= 5.16, < 6.1.189 >= 6.2, < 6.6.158 >= 6.7, < 6.12.111
CPE cpe:2.3:o:linux:linux_kernel:::::::: cpe:2.3:o:linux:linux_kernel:7.3:rc1:::::: Remediation No remediation found in references.

Change History

4 change records found show changes

Date	Action	Recorded By
Oct 23, 2026	Initial Analysis	[email protected]
Oct 19, 2026	CVE Modified	kernel.org
Oct 3, 2026	CVE Modified	kernel.org
Sep 25, 2026	New CVE Received	kernel.org