Use-After-Free Vulnerability in ACRN Hypervisor by Project ACRN
CVE-2021-36145

7.5HIGH

Key Information:

Vendor

Linux
Status
Acrn
Vendor
CVE Published:
2 July 2021

What is CVE-2021-36145?

A use-after-free vulnerability exists in the Device Model of the ACRN Hypervisor prior to version 2.5. The flaw originates from improper memory management in the devicemodel/core/mem.c file, specifically related to freed rb_entry structures. This can lead to potential exploitation scenarios where an attacker could execute arbitrary code in the context of the hypervisor. Users are advised to upgrade to the latest version to mitigate the risk associated with this vulnerability.

References

https://github.com/projectacrn/acrn-hypervisor/pull/6058/...
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.