REDHAT-BUG-1973784
First published: Fri Jun 18 2021(Updated: )
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: <a href="https://bugs.launchpad.net/qemu/+bug/1907497">https://bugs.launchpad.net/qemu/+bug/1907497</a> <a href="https://gitlab.com/qemu-project/qemu/-/issues/542">https://gitlab.com/qemu-project/qemu/-/issues/542</a>
| Affected Software | Affected Version | How to fix |
|---|---|---|
| QEMU |
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Reference Links
- https://bugs.launchpad.net/qemu/+bug/1907497
- https://gitlab.com/qemu-project/qemu/-/issues/542
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1975833
- https://patchew.org/QEMU/20200903110831.353476-1-philmd@redhat.com
- https://mail.gnu.org/archive/html/qemu-devel/2020-09/msg00906.html
- https://gitlab.com/qemu-project/qemu/-/commit/79fa99831debc9782087e834382c577215f2f511
- https://access.redhat.com/errata/RHSA-2022:7967
- https://access.redhat.com/security/cve/cve-2021-3611
- https://bugzilla.redhat.com/show_bug.cgi?id=1973784
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.
- agent/type
- agent/last-modified-date
- collector/redhat-bugzilla
- source/Red Hat
- alias/CVE-2021-3611
- agent/first-publish-date
- agent/references
- agent/severity
- agent/description
- agent/event
- agent/source
- agent/tags
- agent/softwarecombine
- agent/guess-ai
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- vendor/qemu
- canonical/qemu