CVE-2024-3567 Qemu-kvm: net: assertion failure in update_sctp_checksum()
A malicious guest can crash QEMU via an assertion failure in SCTP checksum calculation, causing a 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-2024-3567?
CVE-2024-3567 is a medium-severity denial of service vulnerability in Qemu Qemu, published on 10 Apr 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 update_sctp_checksum() function in hw/net/net_tx_pkt.c when trying to calculate the checksum of a short-sized fragmented packet. This flaw allows a malicious guest to crash QEMU and cause a denial of service condition.
Weakness: CWE-617
Which versions are affected by CVE-2024-3567?
It affects 2 products.
Products include Qemu Qemu, Redhat Enterprise Linux.
How do I fix CVE-2024-3567?
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-2024-3567 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-3567 exists.
Other vulnerabilities in Qemu Qemu
Sources
Also known as AZL-43050, BELL-CVE-2024-3567, DEBIAN-CVE-2024-3567, GHSA-mqq7-33jf-2x53, UBUNTU-CVE-2024-3567.