Use After Free in Linux Acrn

CVE-2021-36144

The polling timer handler in ACRN before 2.5 has a use-after-free for a freed virtio device, related to devicemodel/hw/pci/virtio/*.c.

Vulnerability class: Use-After-Free

EPSS: 0.010 (58.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Linux Acrn
N/a — versions n/a

Weakness classification (CWE)

CWE-416 — Use After Free

References

cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-36144?: CVE-2021-36144 is a high-severity vulnerability in Linux Acrn, classified under Use After Free. CVSS score: 7.5/10. Published 2021-07-02.
How severe is CVE-2021-36144?: High severity. CVSS v3 base score is 7.5 out of 10.