#VU111695 Input validation error in Linux kernel - CVE-2022-50093
Published: June 20, 2025 / Updated: June 21, 2025
Vulnerability identifier: #VU111695
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-2022-50093
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 dmar_parse_one_rhsa() function in drivers/iommu/intel/dmar.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/0b4c0003aeda32a600f95df53b2848da8a5aa3fa
- https://git.kernel.org/stable/c/5659efdadf04b56707d58c1b758df16d2e0eff2c
- https://git.kernel.org/stable/c/73ce2046e04ad488cecc66757c36cbe1bdf089d4
- https://git.kernel.org/stable/c/b0b0b77ea611e3088e9523e60860f4f41b62b235
- https://git.kernel.org/stable/c/b12304984654d8e58a2b22ff94c4410906d6267f
- https://git.kernel.org/stable/c/c2304c50f4d94f56c2e326f25c9dc8cf2ba6f5fa
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2