Improper input validation in Oracle VM VirtualBox - CVE-2021-35540

Vulnerability identifier: #VU67015

CSH Severity: Low

CVSS v4: 6.8 [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]

CVE-ID: CVE-2021-35540

CWE-ID: CWE-20

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local authenticated user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the Core component in Oracle VM VirtualBox. A local authenticated user can exploit this vulnerability to perform a denial of service (DoS) attack.

Oracle VM VirtualBox
Gentoo Linux
Arch Linux
virtualbox
app-emulation/virtualbox
app-emulation/virtualbox-additions
app-emulation/virtualbox-extpack-oracle
app-emulation/virtualbox-guest-additions
app-emulation/virtualbox-modules

Install updates from vendor's website.

Oracle VM VirtualBox - update to 6.1.28
virtualbox - update to 6.1.28-1
app-emulation/virtualbox - update to 6.1.36
app-emulation/virtualbox-additions - update to 6.1.36
app-emulation/virtualbox-extpack-oracle - update to 6.1.36
app-emulation/virtualbox-guest-additions - update to 6.1.36
app-emulation/virtualbox-modules - update to 6.1.36

• https://www.oracle.com/security-alerts/cpuoct2021.html

• Multiple vulnerabilities in Oracle VM VirtualBox
• Gentoo update for Oracle VirtualBox
• Arch Linux update for virtualbox