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Affected Component
Analysis
qemu
Patched
Name
CVE-2025-11234
Description
A flaw was found in QEMU. If the QIOChannelWebsock object is freed while it is waiting to complete a handshake, a GSource is leaked. This can lead to the callback firing later on and triggering a use-after-free in the use of the channel. This can be abused by a malicious client with network access to the VNC WebSocket port to cause a denial of service during the WebSocket handshake prior to the VNC client authentication.
CWEs
Published Date
Updated Date
Workaround
-
Advisories
Analysis#
Vulnerability Ratings#
7.5
CVSSv31
NaN
other
Others affected components#
Resolved with patches#
qemu (yocto:scarthgap)
#
Title
Author
Resolve
1
io: fix use after free in websocket handshake code
=?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= <berrange@redhat.com>
CVE-2025-11234
2
io: move websock resource release to close method
=?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= <berrange@redhat.com>
CVE-2025-11234