SB20241022172 - Improper error handling in Linux kernel iommu intel driver
Published: October 22, 2024 Updated: May 12, 2025
Security Bulletin ID
SB20241022172
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) Improper error handling (CVE-ID: CVE-2022-49000)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper error handling within the has_external_pci() function in drivers/iommu/intel/iommu.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/10ed7655a17f6a3eaecd1293830488259ccd5723
- https://git.kernel.org/stable/c/b6eea8b2e858a20ad58ac62dc2de90fea2413f94
- https://git.kernel.org/stable/c/17f67414718e6aba123335a33b7d15aa594fff34
- https://git.kernel.org/stable/c/afca9e19cc720bfafc75dc5ce429c185ca93f31d
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.158
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.82
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1