Amazon Linux 2 Security Advisory: ALAS2-2025-3044
Advisory Released Date: 2025-10-27
Advisory Updated Date: 2025-10-27
Severity:
Important
Issue Overview:
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. (CVE-2025-11234)
Affected Packages:
qemu
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update qemu or yum update --advisory ALAS2-2025-3044 to update your system.
New Packages:
aarch64:
qemu-3.1.0-8.amzn2.0.21.aarch64
qemu-common-3.1.0-8.amzn2.0.21.aarch64
qemu-guest-agent-3.1.0-8.amzn2.0.21.aarch64
qemu-img-3.1.0-8.amzn2.0.21.aarch64
ivshmem-tools-3.1.0-8.amzn2.0.21.aarch64
qemu-block-curl-3.1.0-8.amzn2.0.21.aarch64
qemu-block-dmg-3.1.0-8.amzn2.0.21.aarch64
qemu-block-iscsi-3.1.0-8.amzn2.0.21.aarch64
qemu-block-nfs-3.1.0-8.amzn2.0.21.aarch64
qemu-block-rbd-3.1.0-8.amzn2.0.21.aarch64
qemu-block-ssh-3.1.0-8.amzn2.0.21.aarch64
qemu-audio-alsa-3.1.0-8.amzn2.0.21.aarch64
qemu-audio-oss-3.1.0-8.amzn2.0.21.aarch64
qemu-audio-pa-3.1.0-8.amzn2.0.21.aarch64
qemu-audio-sdl-3.1.0-8.amzn2.0.21.aarch64
qemu-ui-curses-3.1.0-8.amzn2.0.21.aarch64
qemu-ui-gtk-3.1.0-8.amzn2.0.21.aarch64
qemu-ui-sdl-3.1.0-8.amzn2.0.21.aarch64
qemu-kvm-3.1.0-8.amzn2.0.21.aarch64
qemu-kvm-core-3.1.0-8.amzn2.0.21.aarch64
qemu-user-3.1.0-8.amzn2.0.21.aarch64
qemu-user-binfmt-3.1.0-8.amzn2.0.21.aarch64
qemu-user-static-3.1.0-8.amzn2.0.21.aarch64
qemu-system-aarch64-3.1.0-8.amzn2.0.21.aarch64
qemu-system-aarch64-core-3.1.0-8.amzn2.0.21.aarch64
qemu-system-x86-3.1.0-8.amzn2.0.21.aarch64
qemu-system-x86-core-3.1.0-8.amzn2.0.21.aarch64
qemu-debuginfo-3.1.0-8.amzn2.0.21.aarch64
src:
qemu-3.1.0-8.amzn2.0.21.src
x86_64:
qemu-3.1.0-8.amzn2.0.21.x86_64
qemu-common-3.1.0-8.amzn2.0.21.x86_64
qemu-guest-agent-3.1.0-8.amzn2.0.21.x86_64
qemu-img-3.1.0-8.amzn2.0.21.x86_64
ivshmem-tools-3.1.0-8.amzn2.0.21.x86_64
qemu-block-curl-3.1.0-8.amzn2.0.21.x86_64
qemu-block-dmg-3.1.0-8.amzn2.0.21.x86_64
qemu-block-iscsi-3.1.0-8.amzn2.0.21.x86_64
qemu-block-nfs-3.1.0-8.amzn2.0.21.x86_64
qemu-block-rbd-3.1.0-8.amzn2.0.21.x86_64
qemu-block-ssh-3.1.0-8.amzn2.0.21.x86_64
qemu-audio-alsa-3.1.0-8.amzn2.0.21.x86_64
qemu-audio-oss-3.1.0-8.amzn2.0.21.x86_64
qemu-audio-pa-3.1.0-8.amzn2.0.21.x86_64
qemu-audio-sdl-3.1.0-8.amzn2.0.21.x86_64
qemu-ui-curses-3.1.0-8.amzn2.0.21.x86_64
qemu-ui-gtk-3.1.0-8.amzn2.0.21.x86_64
qemu-ui-sdl-3.1.0-8.amzn2.0.21.x86_64
qemu-kvm-3.1.0-8.amzn2.0.21.x86_64
qemu-kvm-core-3.1.0-8.amzn2.0.21.x86_64
qemu-user-3.1.0-8.amzn2.0.21.x86_64
qemu-user-binfmt-3.1.0-8.amzn2.0.21.x86_64
qemu-user-static-3.1.0-8.amzn2.0.21.x86_64
qemu-system-aarch64-3.1.0-8.amzn2.0.21.x86_64
qemu-system-aarch64-core-3.1.0-8.amzn2.0.21.x86_64
qemu-system-x86-3.1.0-8.amzn2.0.21.x86_64
qemu-system-x86-core-3.1.0-8.amzn2.0.21.x86_64
qemu-debuginfo-3.1.0-8.amzn2.0.21.x86_64