Memory leak in Linux kernel - CVE-2022-50770
Published: December 26, 2025 / Updated: December 31, 2025
Vulnerability identifier: #VU120315
CSH Severity: Low
CVSS v4.0: 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-2022-50770
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the ocfs2_fill_super() and ocfs2_mount_volume() functions in fs/ocfs2/super.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2022-50770
Install update from vendor's repository.
Sources
- https://git.kernel.org/stable/c/2b7e59ed2e77136e9360274f8f0fc208a003e95c
- https://git.kernel.org/stable/c/4efe1d2db731bad19891e2fb9b338724b1f598cc
- https://git.kernel.org/stable/c/50ab0ca3aff4da26037113d69f5a756d8c1a92cd
- https://git.kernel.org/stable/c/7ef516888c4d30ae41bfcd79e7077d86d92794c5
- https://git.kernel.org/stable/c/8059e200259e9c483d715fc2df6340c227c3e196
- https://git.kernel.org/stable/c/ce2fcf1516d674a174d9b34d1e1024d64de9fba3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.163
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.107
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.229
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.16
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2