SB20250620227 - Input validation error in Linux kernel iommu intel driver
Published: June 20, 2025 Updated: June 21, 2025
Security Bulletin ID
SB20250620227
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2022-50093)
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 website.
References
- 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