Ubuntu 23.04 USN-6167-1 Moderate: QEMU Denial Of Service Issues

The problem can be corrected by updating your system to the following package versions: Ubuntu 23.04: qemu-guest-agent 1:7.2+dfsg-5ubuntu2.2 qemu-system 1:7.2+dfsg-5ubuntu2.2 qemu-system-arm 1:7.2+dfsg-5ubuntu2.2 qemu-system-common 1:7.2+dfsg-5ubuntu2.2 qemu-system-data 1:7.2+dfsg-5ubuntu2.2 qemu-system-gui 1:7.2+dfsg-5ubuntu2.2 qemu-system-mips 1:7.2+dfsg-5ubuntu2.2 qemu-system-misc 1:7.2+dfsg-5ubuntu2.2 qemu-system-ppc 1:7.2+dfsg-5ubuntu2.2 qemu-system-s390x 1:7.2+dfsg-5ubuntu2.2 qemu-system-sparc 1:7.2+dfsg-5ubuntu2.2 qemu-system-x86 1:7.2+dfsg-5ubuntu2.2 qemu-system-x86-xen 1:7.2+dfsg-5ubuntu2.2 qemu-system-xen 1:7.2+dfsg-5ubuntu2.2 Ubuntu 22.10: qemu-guest-agent 1:7.0+dfsg-7ubuntu2.6 qemu-system 1:7.0+dfsg-7ubuntu2.6 qemu-system-arm 1:7.0+dfsg-7ubuntu2.6 qemu-system-common 1:7.0+dfsg-7ubuntu2.6 qemu-system-data 1:7.0+dfsg-7ubuntu2.6 qemu-system-gui 1:7.0+dfsg-7ubuntu2.6 qemu-system-mips 1:7.0+dfsg-7ubuntu2.6 qemu-system-misc 1:7.0+dfsg-7ubuntu2.6 qemu-system-ppc 1:7.0+dfsg-7ubuntu2.6 qemu-system-s390x 1:7.0+dfsg-7ubuntu2.6 qemu-system-sparc 1:7.0+dfsg-7ubuntu2.6 qemu-system-x86 1:7.0+dfsg-7ubuntu2.6 qemu-system-x86-xen 1:7.0+dfsg-7ubuntu2.6 qemu-system-xen 1:7.0+dfsg-7ubuntu2.6 Ubuntu 22.04 LTS: qemu 1:6.2+dfsg-2ubuntu6.11 qemu-guest-agent 1:6.2+dfsg-2ubuntu6.11 qemu-system 1:6.2+dfsg-2ubuntu6.11 qemu-system-arm 1:6.2+dfsg-2ubuntu6.11 qemu-system-common 1:6.2+dfsg-2ubuntu6.11 qemu-system-data 1:6.2+dfsg-2ubuntu6.11 qemu-system-gui 1:6.2+dfsg-2ubuntu6.11 qemu-system-mips 1:6.2+dfsg-2ubuntu6.11 qemu-system-misc 1:6.2+dfsg-2ubuntu6.11 qemu-system-ppc 1:6.2+dfsg-2ubuntu6.11 qemu-system-s390x 1:6.2+dfsg-2ubuntu6.11 qemu-system-sparc 1:6.2+dfsg-2ubuntu6.11 qemu-system-x86 1:6.2+dfsg-2ubuntu6.11 qemu-system-x86-microvm 1:6.2+dfsg-2ubuntu6.11 qemu-system-x86-xen 1:6.2+dfsg-2ubuntu6.11 Ubuntu 20.04 LTS: qemu 1:4.2-3ubuntu6.27 qemu-guest-agent 1:4.2-3ubuntu6.27 qemu-kvm 1:4.2-3ubuntu6.27 qemu-system 1:4.2-3ubuntu6.27 qemu-system-arm 1:4.2-3ubuntu6.27 qemu-system-common 1:4.2-3ubuntu6.27 qemu-system-data 1:4.2-3ubuntu6.27 qemu-system-gui 1:4.2-3ubuntu6.27 qemu-system-mips 1:4.2-3ubuntu6.27 qemu-system-misc 1:4.2-3ubuntu6.27 qemu-system-ppc 1:4.2-3ubuntu6.27 qemu-system-s390x 1:4.2-3ubuntu6.27 qemu-system-sparc 1:4.2-3ubuntu6.27 qemu-system-x86 1:4.2-3ubuntu6.27 qemu-system-x86-microvm 1:4.2-3ubuntu6.27 qemu-system-x86-xen 1:4.2-3ubuntu6.27 Ubuntu 18.04 LTS (Available with Ubuntu Pro): qemu 1:2.11+dfsg-1ubuntu7.42+esm1 qemu-guest-agent 1:2.11+dfsg-1ubuntu7.42+esm1 qemu-kvm 1:2.11+dfsg-1ubuntu7.42+esm1 qemu-system 1:2.11+dfsg-1ubuntu7.42+esm1 qemu-system-arm 1:2.11+dfsg-1ubuntu7.42+esm1 qemu-system-common 1:2.11+dfsg-1ubuntu7.42+esm1 qemu-system-mips 1:2.11+dfsg-1ubuntu7.42+esm1 qemu-system-misc 1:2.11+dfsg-1ubuntu7.42+esm1 qemu-system-ppc 1:2.11+dfsg-1ubuntu7.42+esm1 qemu-system-s390x 1:2.11+dfsg-1ubuntu7.42+esm1 qemu-system-sparc 1:2.11+dfsg-1ubuntu7.42+esm1 qemu-system-x86 1:2.11+dfsg-1ubuntu7.42+esm1 Ubuntu 16.04 LTS (Available with Ubuntu Pro): qemu 1:2.5+dfsg-5ubuntu10.51+esm2 qemu-guest-agent 1:2.5+dfsg-5ubuntu10.51+esm2 qemu-kvm 1:2.5+dfsg-5ubuntu10.51+esm2 qemu-system 1:2.5+dfsg-5ubuntu10.51+esm2 qemu-system-aarch64 1:2.5+dfsg-5ubuntu10.51+esm2 qemu-system-arm 1:2.5+dfsg-5ubuntu10.51+esm2 qemu-system-common 1:2.5+dfsg-5ubuntu10.51+esm2 qemu-system-mips 1:2.5+dfsg-5ubuntu10.51+esm2 qemu-system-misc 1:2.5+dfsg-5ubuntu10.51+esm2 qemu-system-ppc 1:2.5+dfsg-5ubuntu10.51+esm2 qemu-system-s390x 1:2.5+dfsg-5ubuntu10.51+esm2 qemu-system-sparc 1:2.5+dfsg-5ubuntu10.51+esm2 qemu-system-x86 1:2.5+dfsg-5ubuntu10.51+esm2 Ubuntu 14.04 LTS (Available with Ubuntu Pro): qemu 2.0.0+dfsg-2ubuntu1.47+esm3 qemu-common 2.0.0+dfsg-2ubuntu1.47+esm3 qemu-guest-agent 2.0.0+dfsg-2ubuntu1.47+esm3 qemu-kvm 2.0.0+dfsg-2ubuntu1.47+esm3 qemu-system 2.0.0+dfsg-2ubuntu1.47+esm3 qemu-system-aarch64 2.0.0+dfsg-2ubuntu1.47+esm3 qemu-system-arm 2.0.0+dfsg-2ubuntu1.47+esm3 qemu-system-common 2.0.0+dfsg-2ubuntu1.47+esm3 qemu-system-mips 2.0.0+dfsg-2ubuntu1.47+esm3 qemu-system-misc 2.0.0+dfsg-2ubuntu1.47+esm3 qemu-system-ppc 2.0.0+dfsg-2ubuntu1.47+esm3 qemu-system-sparc 2.0.0+dfsg-2ubuntu1.47+esm3 qemu-system-x86 2.0.0+dfsg-2ubuntu1.47+esm3 After a standard system update you need to restart all QEMU virtual machines to make all the necessary changes.