CVE-2021-36148 Memory corruption in n/a

High 7.8 Published Updated

A buffer overflow in the ACRN hypervisor allows attackers to execute arbitrary code or escalate privileges.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2021-36148?

CVE-2021-36148 is a high-severity memory corruption vulnerability in n/a, published on 2 Jul 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

An issue was discovered in ACRN before 2.5. dmar_free_irte in hypervisor/arch/x86/vtd.c allows an irte_alloc_bitmap buffer overflow.

Weakness: CWE-120

Which versions are affected by CVE-2021-36148?

It affects 1 product.

Products include Linux Acrn.

How do I fix CVE-2021-36148?

No fix has been published for CVE-2021-36148 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2021-36148 being exploited?

There is no known exploitation of CVE-2021-36148 in the wild and no public exploit code.

Sources

Also known as GHSA-fwp2-vqg8-gvfh.

Is CVE-2021-36148 in your software?

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