Information disclosure in Linux kernel - CVE-2022-48700
Published: June 8, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU91351
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-48700
CWE-ID: CWE-200
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 gain access to sensitive information.
The vulnerability exists due to information disclosure within the vaddr_get_pfns() function in drivers/vfio/vfio_iommu_type1.c. A local user can gain access to sensitive information.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/578d644edc7d2c1ff53f7e4d0a25da473deb4a03
- https://git.kernel.org/stable/c/5321908ef74fb593e0dbc8737d25038fc86c9986
- https://git.kernel.org/stable/c/5d721bf222936f5cf3ee15ced53cc483ecef7e46
- https://git.kernel.org/stable/c/873aefb376bbc0ed1dd2381ea1d6ec88106fdbd4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.146
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.68
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.9
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0