CVE-2020-15687 Missing authorization in n/a
A malicious entity with root access in the Service VM can abuse PCIe hypercalls to cause a Denial of Service for assigned devices.
- 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-2020-15687?
CVE-2020-15687 is a high-severity missing authorization vulnerability in n/a, published on 31 Aug 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Missing access control restrictions in the Hypervisor component of the ACRN Project (v2.0 and v1.6.1) allow a malicious entity, with root access in the Service VM userspace, to abuse the PCIe assign/de-assign Hypercalls via crafted ioctls and payloads. This attack results in a corrupt state and Denial of Service (DoS) for previously assigned PCIe devices to the Service VM at runtime.
Which versions are affected by CVE-2020-15687?
It affects 1 product.
Products include Linuxfoundation Acrn.
How do I fix CVE-2020-15687?
No fix has been published for CVE-2020-15687 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2020-15687 being exploited?
There is no known exploitation of CVE-2020-15687 in the wild and no public exploit code.
Sources
Also known as GHSA-24gg-6vq3-mg4f.