Memory leak in Linux kernel - CVE-2026-98082
Published: September 28, 2026
Vulnerability identifier: #VU152378
CSH Severity: Low
CVSS v4: 2 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-98082
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to improper resource cleanup in the Btrfs ordered extent bioc_list when handling ordered extents after errors. A local user can trigger an error while processing an ordered extent to cause a denial of service.
The leak can occur when RAID extent insertion fails or when an ordered extent encounters an I/O error.
Affected software
Linux kernel
How to mitigate CVE-2026-98082
Install security update from vendor's repository.