Integer overflow in Linux kernel - CVE-2022-50623
Published: December 8, 2025 / Updated: December 12, 2025
Vulnerability identifier: #VU119355
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-50623
CWE-ID: CWE-190
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 execute arbitrary code.
The vulnerability exists due to integer overflow within the dfl_feature_ioctl_set_irq() function in drivers/fpga/dfl.c. A local user can execute arbitrary code.
How to mitigate CVE-2022-50623
Install update from vendor's repository.
Sources
- https://git.kernel.org/stable/c/1b5a931594f7ffd26d706614c37d4da0f2ffb6e7
- https://git.kernel.org/stable/c/939bc5453b8cbdde9f1e5110ce8309aedb1b501a
- https://git.kernel.org/stable/c/940253af8b3865b76de8d1b46bcd4a700104852e
- https://git.kernel.org/stable/c/b94605f5cb99e90c8ca91523597a40e1bd59546b
- https://git.kernel.org/stable/c/f59861946fa51bcc1f305809e4ebc1013b0ee61c
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.150