CVE-2020-28346 : ACRN through 2.2 has a devicemodel/hw/pci/virtio/virtio.c NULL Pointer Dereferen

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

Published 2021-03-26 04:15:15

Updated 2021-03-27 04:00:01

Source MITRE

View at NVD, CVE.org

Vulnerability category: Memory Corruption

Products affected by CVE-2020-28346

Projectacrn » Acrn
Versions up to, including, (<=) 2.2
cpe:2.3:a:projectacrn:acrn:*:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.34%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 53 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:N/I:N/A:P	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

Assigned by: nvd@nist.gov (Primary)

https://github.com/projectacrn/acrn-hypervisor/pull/5453/commits/ae0ab82434509d6e75f4a2f1e1a0dd2ee3dc3681

dm: virtio: check for paddr_guest2host return value by tomasbw · Pull Request #5453 · projectacrn/acrn-hypervisor · GitHub
Patch;Third Party Advisory
https://github.com/projectacrn/acrn-hypervisor/pull/5453

dm: virtio: check for paddr_guest2host return value by tomasbw · Pull Request #5453 · projectacrn/acrn-hypervisor · GitHub
Patch;Third Party Advisory

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