#VU59812 Permissions, Privileges, and Access Controls in Oracle VM Server for x86 - CVE-2021-4155

Vulnerability identifier: #VU59812

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-2021-4155

CWE-ID: CWE-264

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Oracle VM Server for x86
Server applications / Other server solutions

Vendor: Oracle

Description

The vulnerability allows a local user to bypass implemented security restrictions.

The vulnerability exists due to the OS kernel does not impose correctly security restrictions. A local user can gain access to sensitive information on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Oracle VM Server for x86: 3.2 - 3.4

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External links
https://www.oracle.com/security-alerts/ovmbulletinjan2022.html

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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.