#VU116347 Memory leak in Linux kernel - CVE-2022-50465
Published: October 1, 2025 / Updated: October 27, 2025
Vulnerability identifier: #VU116347
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-50465
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the ext4_fc_reserve_space() and ext4_fc_write_tail() functions in fs/ext4/fast_commit.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/594bc43b410316d70bb42aeff168837888d96810
- https://git.kernel.org/stable/c/7c1fb65e8ce85c281d2cba9c236f9edbbc4eaca6
- https://git.kernel.org/stable/c/871800770d7f2f952c7249ad52485c3564dab44e
- https://git.kernel.org/stable/c/b8b7922374b00a44137e5bcdd46ef86c8b065f27
- https://git.kernel.org/stable/c/d9ba03eb03dc2dccb5450de388ea46bdcaaf8348
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.18