CVE-2026-46005
kernel: xfs: fix a resource leak in xfs_alloc_buftarg()
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · May 27, 2026
Updated · October 29, 2026
Description
A flaw was found in the Linux kernel's xfs filesystem. This resource leak occurs in the xfs_alloc_buftarg() function's error path, where a DAX (Direct Access) device reference is not properly dropped. An attacker could potentially exploit this flaw to cause resource exhaustion, leading to a Denial of Service (DoS) condition on the system.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-911 · Improper Update of Reference Count