Improper error handling in Linux kernel - CVE-2022-50782
Published: December 26, 2025 / Updated: December 31, 2025
Vulnerability identifier: #VU120541
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-2022-50782
CWE-ID: CWE-388
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 error handling within the vfs_setup_quota_inode() function in fs/quota/dquot.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2022-50782
Install update from vendor's repository.
Sources
- https://git.kernel.org/stable/c/0dcbf4dc3d54aab5990952cfd832042fb300dbe3
- https://git.kernel.org/stable/c/1d5524832ff204b8a8cd54ae1628b2122f6e9a8d
- https://git.kernel.org/stable/c/1daff79463d7d76096c84c57cddc30c5d4be2226
- https://git.kernel.org/stable/c/794c9175db1f2e5d2a28c326f10bd024dbd944f8
- https://git.kernel.org/stable/c/98004f926d27eaccdd2d336b7916a42e07392da1
- https://git.kernel.org/stable/c/d323877484765aaacbb2769b06e355c2041ed115
- https://git.kernel.org/stable/c/fb1d3b4107b4837b4a0dbbf01954269bd6acfdc3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.270