#VU91351 Information disclosure in Linux kernel - CVE-2022-48700


Vulnerability identifier: #VU91351

Vulnerability risk: Low

CVSSv4.0: 1.1 [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

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: 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.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: All versions


External links
http://git.kernel.org/stable/c/578d644edc7d2c1ff53f7e4d0a25da473deb4a03
http://git.kernel.org/stable/c/5321908ef74fb593e0dbc8737d25038fc86c9986
http://git.kernel.org/stable/c/5d721bf222936f5cf3ee15ced53cc483ecef7e46
http://git.kernel.org/stable/c/873aefb376bbc0ed1dd2381ea1d6ec88106fdbd4


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability