CVE-2021-36144 Use after free in n/a
A use-after-free vulnerability in the ACRN hypervisor's polling timer handler allows attackers to potentially execute code or cause a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-36144?
CVE-2021-36144 is a high-severity use after free vulnerability in n/a, published on 2 Jul 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-416
Which versions are affected by CVE-2021-36144?
It affects 1 product.
Products include Linux Acrn.
How do I fix CVE-2021-36144?
No fix has been published for CVE-2021-36144 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2021-36144 being exploited?
There is no known exploitation of CVE-2021-36144 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-cqgc-44vw-w3h7.