CVE Vulnerabilities

CVE-2021-36146

NULL Pointer Dereference

Published: Jul 02, 2021 | Modified: Jul 08, 2021

CVSS 3.x

7.5

HIGH

Source:

NVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS 2.x

5 MEDIUM

RedHat/V2

RedHat/V3

Ubuntu

Additional information

NVD	https://nvd.nist.gov/vuln/detail/CVE-2021-36146
CWE	https://cwe.mitre.org/data/definitions/476.html

ACRN before 2.5 has a devicemodel/hw/pci/xhci.c NULL Pointer Dereference for a trb pointer.

Weakness

A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.

Affected Software

Name	Vendor	Start Version	End Version
Acrn	Linux	*	2.5 (excluding)

Potential Mitigations

References

https://github.com/projectacrn/acrn-hypervisor/pull/6173/commits/330359921e2e4c2f3f3a10b5bab86942d63c4428

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