CVE-2022-50743
kernel: Linux kernel: Denial of Service in erofs due to memory leak
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · December 24, 2025
Updated · June 28, 2026
Description
A flaw was found in the Linux kernel's erofs filesystem. A local user can trigger a memory leak by exploiting a condition in the z_erofs_register_pcluster() function where a pcluster's block address is zero, leading to an unreleased reference count. This vulnerability can result in resource exhaustion, causing a Denial of Service (DoS) 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-772 · Missing Release of Resource after Effective Lifetime