CVE-2024-8354 Qemu-kvm: usb: assertion failure in usb_ep_get()
A malicious unprivileged guest user can crash the QEMU host process via an assertion failure in USB endpoint handling, causing denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-8354?
CVE-2024-8354 is a medium-severity denial of service vulnerability in Qemu Qemu, published on 19 Sep 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A flaw was found in QEMU. An assertion failure was present in the usb_ep_get() function in hw/net/core.c when trying to get the USB endpoint from a USB device. This flaw may allow a malicious unprivileged guest user to crash the QEMU process on the host and cause a denial of service condition.
Weakness: CWE-617
Which versions are affected by CVE-2024-8354?
It affects 2 products.
Products include Qemu Qemu, Redhat Enterprise Linux.
How do I fix CVE-2024-8354?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2024-8354 being exploited?
There is no known exploitation of CVE-2024-8354 in the wild and no public exploit code.
Other vulnerabilities in Qemu Qemu
Sources
Also known as AZL-60064, AZL-60778, BELL-CVE-2024-8354, DEBIAN-CVE-2024-8354, ECHO-5789-a454-b554, GHSA-xx3p-5m4j-rhw8 and 7 more.