#VU99060 Improper error handling in Linux kernel - CVE-2022-49000
Published: October 22, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU99060
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-2022-49000
CWE-ID: CWE-388
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 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.
External links
- 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