REDHAT-BUG-1973784: Low severity qemu vulnerability
A KVM guest can crash qemu-kvm (likely with a stack overflow) when the guest has been started with the intel-hda device. According to the upstream ticket, the crash is due to a stack overflow.
References: https://bugs.launchpad.net/qemu/+bug/1907497 https://gitlab.com/qemu-project/qemu/-/issues/542
Affected Software
Event History
Frequently Asked Questions
What is the severity of REDHAT-BUG-1973784?
The severity of REDHAT-BUG-1973784 is considered high due to the potential for the KVM guest to crash and cause service disruption.
How do I fix REDHAT-BUG-1973784?
To fix REDHAT-BUG-1973784, ensure that you update your QEMU installation to the latest version that resolves the stack overflow issue.
What are the symptoms of REDHAT-BUG-1973784?
Symptoms of REDHAT-BUG-1973784 include instability in the qemu-kvm service and crashes when running a KVM guest with the intel-hda device.
What systems are affected by REDHAT-BUG-1973784?
The systems affected by REDHAT-BUG-1973784 are those running QEMU qemu-kvm with the intel-hda device configured.
Is there a workaround for REDHAT-BUG-1973784?
A possible workaround for REDHAT-BUG-1973784 is to avoid using the intel-hda device in KVM guests until the issue is resolved.