What’s Vulnerable › Vulnerabilities

CVE-2021-36143

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-07-02 · updated 2026-06-17
• Weakness: CWE-476

Description

ACRN before 2.5 has a hw/pci/virtio/virtio.c vq_endchains NULL Pointer Dereference.

Affected products

• Linux Acrn: before 2.5 — fixed in 2.5

How to fix

Upgrade to a fixed version: Linux Acrn 2.5. Check the vendor advisory for mitigations.

References

• https://github.com/projectacrn/acrn-hypervisor/commit/154fe59531c12b82e26d1b24b5531f5066d224f5
• https://github.com/projectacrn/acrn-hypervisor/commit/154fe59531c12b82e26d1b24b5531f5066d224f5

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