CVE-2020-28346 Explained : Impact and Mitigation

ACRN through 2.2 has a devicemodel/hw/pci/virtio/virtio.c NULL Pointer Dereference.

Understanding CVE-2020-28346

This CVE involves a NULL Pointer Dereference in ACRN through version 2.2.

What is CVE-2020-28346?

CVE-2020-28346 is a vulnerability in ACRN that allows attackers to trigger a NULL Pointer Dereference in the virtio.c file.

The Impact of CVE-2020-28346

The vulnerability could lead to a denial of service (DoS) condition or potentially arbitrary code execution.

Technical Details of CVE-2020-28346

This section provides more technical insights into the CVE.

Vulnerability Description

The issue arises from improper handling of NULL pointers in the virtio.c file of ACRN.

Affected Systems and Versions

ACRN versions up to 2.2 are affected by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by sending specially crafted input to trigger the NULL Pointer Dereference.

Mitigation and Prevention

Protecting systems from CVE-2020-28346 is crucial to maintaining security.

Immediate Steps to Take

Apply patches provided by the vendor to address the vulnerability.
Monitor vendor updates for security patches related to ACRN.

Long-Term Security Practices

Regularly update and patch software to prevent known vulnerabilities.
Implement proper input validation mechanisms to mitigate similar issues.

Patching and Updates

Ensure that ACRN is updated to version 2.3 or later to mitigate the NULL Pointer Dereference vulnerability.