Input validation error in Linux kernel - CVE-2022-50273
Published: September 16, 2025 / Updated: September 22, 2025
Vulnerability identifier: #VU115499
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-2022-50273
CWE-ID: CWE-20
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 improper input validation within the do_recover_data() function in fs/f2fs/recovery.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2022-50273
Install update from vendor's repository.
Sources
- https://git.kernel.org/stable/c/0ef4ca04a3f9223ff8bc440041c524b2123e09a3
- https://git.kernel.org/stable/c/3a4d24d746866dd45d970bd565ff3886e839366a
- https://git.kernel.org/stable/c/68b1e607559d3dc85f94b0d738d7c4e8029b0cfa
- https://git.kernel.org/stable/c/73fb4bd2c055a393816f078f158cdd3025006f1d
- https://git.kernel.org/stable/c/8f0a47def4722c5fd8d6b9268b5ffed8a249e2db
- https://git.kernel.org/stable/c/ed854f10e6afd5cbd5c3274d4c4df4bfe0ab4362
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.75