CVE-2026-43066
kernel: ext4: fix iloc.bh leak in ext4_fc_replay_inode() error paths
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · May 5, 2026
Updated · July 3, 2026
Description
A flaw was found in the Linux kernel's ext4 filesystem. Specific error handling paths within the ext4_fc_replay_inode() function failed to release a buffer head resource, leading to a resource leak. A local attacker could potentially exploit this vulnerability by triggering these error paths, which may result in a Denial of Service (DoS) due to resource exhaustion.
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-772 · Missing Release of Resource after Effective Lifetime