REDHAT-BUG-2063257: Low severity qemu vulnerability
A flaw was found in the vhost-vsock device of QEMU. In case of error, vhostvsockcommonsendtransportreset() did not detach the invalid element from the virtqueue before freeing its memory, leading to memory leakage or other unexpected results.
Upstream commit: https://gitlab.com/qemu-project/qemu/-/commit/8d1b247f3748ac4078524130c6d7ae42b6140aaf
Affected Software
Event History
Frequently Asked Questions
What is the severity of REDHAT-BUG-2063257?
The severity of REDHAT-BUG-2063257 is classified as moderate due to potential memory leakage issues.
How do I fix REDHAT-BUG-2063257?
To fix REDHAT-BUG-2063257, update to the latest version of QEMU where the memory management issues are resolved.
What causes REDHAT-BUG-2063257?
REDHAT-BUG-2063257 is caused by a flaw in the vhost-vsock device's error handling, which fails to detach invalid elements from the virtqueue.
What platforms are affected by REDHAT-BUG-2063257?
REDHAT-BUG-2063257 affects systems running the QEMU virtualization software that utilize the vhost-vsock device.
Is there a known workaround for REDHAT-BUG-2063257?
Currently, there is no documented workaround for REDHAT-BUG-2063257, and it is recommended to apply the necessary software update.