Register file data sampling in Xen



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-28746
CWE-ID CWE-200
Exploitation vector Local
Public exploit N/A
Vulnerable software
Subscribe 		Xen
Server applications / Virtualization software

Vendor Xen Project

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Information disclosure

EUVDB-ID: #VU87457

Risk: Low

CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-28746

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to information exposure through microarchitectural state after transient execution from some register files for some Intel Atom Processors. A local user can gain access to sensitive information.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Xen: All versions

CPE2.3 External links

http://xenbits.xen.org/xsa/advisory-452.html


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.



###SIDEBAR###