CVE-2022-50465
kernel: Linux kernel ext4: Information Disclosure via uninitialized memory leak in fast-commit journal
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · October 1, 2025
Updated · June 30, 2026
Description
A flaw was found in the Linux kernel. A local attacker could exploit an information disclosure vulnerability by not properly zeroing out unused space at the end of fast-commit journal blocks in the ext4 filesystem. This could lead to the leakage of uninitialized memory to disk, potentially allowing information disclosure.
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:H/I:N/A:N
CWE-909 · Missing Initialization of Resource