#VU120826 Input validation error in Linux kernel - CVE-2022-50815
Published: December 30, 2025 / Updated: December 30, 2025
Vulnerability identifier: #VU120826
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-2022-50815
CWE-ID: CWE-20
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 improper input validation within the ext2_fill_super() function in fs/ext2/super.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/321440079763998076b75e0c802524e2218a7d97
- https://git.kernel.org/stable/c/40ff52527daec00cf1530c17a95636916ddd3b38
- https://git.kernel.org/stable/c/d766f2d1e3e3bd44024a7f971ffcf8b8fbb7c5d2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.17
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1