# CVE-2025-12464: Qemu-kvm: stack buffer overflow in e1000 device via short frames in loopback mode CVE-2025-12464 is fixed in 25 products on 1 platform, first by DEBIAN-CVE-2025-12464, released October 31, 2025. It is not reported as exploited. Patch Radar priority: Routine. - Web page: https://patchblox.com/security/cve/CVE-2025-12464 - Priority: Routine - CVSS: 6.2 (Moderate) - EPSS: 0.0018 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: Oct 31, 2025 - Weakness: Stack-based Buffer Overflow - Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-12464 ## Description This update for qemu fixes the following issues: Security issues fixed: - CVE-2025-12464: stack-based buffer overflow in the e1000 network device operations can be exploited by a malicious guest user to crash the QEMU process on the host (bsc#1253002). - CVE-2025-11234: use-after-free in WebSocket handshake operations can be exploited by a malicious client with network access to the VNC WebSocket port to cause a denial-of-service (bsc#1250984). Other updates and bugfixes: - [openSUSE][RPM] spec: require qemu-hw-display-virtio-gpu-pci for x86 too. - [openSUSE][RPM] spec: make glusterfs support conditional (bsc#1254494). - [openSUSE][RPM]: really fix *-virtio-gpu-pci dependency on ARM (bsc#1254286). - block/curl: fix curl internal handles handling (bsc#1252768). - [openSUSE][RPM] spec: qemu-vgabios is required on ppc (bsc#1230042). ## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Linux | qemu Debian 13.5 (trixie) | 1:10.0.7+ds-0+deb13u1 | [DEBIAN-CVE-2025-12464](https://patchblox.com/security/data/fix/linux/debian-cve-2025-12464.md) | Oct 31, 2025 | | Linux | qemu Debian 14 | 1:10.1.3+ds-1 | [DEBIAN-CVE-2025-12464](https://patchblox.com/security/data/fix/linux/debian-cve-2025-12464.md) | Oct 31, 2025 | | Linux | qemu opensuse-leap 15.6 | 8.2.10-150600.3.43.1 | [SUSE-SU-2026:0022-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0022-1.md) | Jan 5, 2026 | | Linux | qemu opensuse-leap 16.0 | 10.0.7-160000.1.1 | [OPENSUSE-SU-2025:20171-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2025-20171-1.md) | Dec 18, 2025 | | Linux | qemu sles 15.6 | 8.2.10-150600.3.43.1 | [SUSE-SU-2026:0022-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0022-1.md) | Jan 5, 2026 | | Linux | qemu sles 15.7 | 9.2.4-150700.3.11.1 | [SUSE-SU-2026:0288-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0288-1.md) | Jan 26, 2026 | | Linux | qemu sles 16.0 | 10.0.7-160000.1.1 | [SUSE-SU-2025:21233-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-21233-1.md) | Dec 18, 2025 | | Linux | qemu-block-extra Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.13 | [qemu-block-extra 1:8.2.2+ds-0ubuntu1.13](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-block-extra-1-8.2.2-ds-0ubuntu1.13.md) | Mar 12, 2026 | | Linux | qemu-block-extra Ubuntu 25.10 (questing) | 1:10.1.0+ds-5ubuntu2.4 | [qemu-block-extra 1:10.1.0+ds-5ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-questing-qemu-block-extra-1-10.1.0-ds-5ubuntu2.4.md) | Mar 12, 2026 | | Linux | qemu-block-supplemental Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.13 | [qemu-block-supplemental 1:8.2.2+ds-0ubuntu1.13](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-block-supplemental-1-8.2.2-ds-0ubuntu1.13.md) | Mar 12, 2026 | | Linux | qemu-block-supplemental Ubuntu 25.10 (questing) | 1:10.1.0+ds-5ubuntu2.4 | [qemu-block-supplemental 1:10.1.0+ds-5ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-questing-qemu-block-supplemental-1-10.1.0-ds-5ubuntu2.4.md) | Mar 12, 2026 | | Linux | qemu-guest-agent Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.13 | [qemu-guest-agent 1:8.2.2+ds-0ubuntu1.13](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-guest-agent-1-8.2.2-ds-0ubuntu1.13.md) | Mar 12, 2026 | | Linux | qemu-guest-agent Ubuntu 25.10 (questing) | 1:10.1.0+ds-5ubuntu2.4 | [qemu-guest-agent 1:10.1.0+ds-5ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-questing-qemu-guest-agent-1-10.1.0-ds-5ubuntu2.4.md) | Mar 12, 2026 | | Linux | qemu-linux-user opensuse-leap 15.6 | 8.2.10-150600.3.43.1 | [SUSE-SU-2026:0022-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0022-1.md) | Jan 5, 2026 | | Linux | qemu-linux-user opensuse-leap 16.0 | 10.0.7-160000.1.1 | [OPENSUSE-SU-2025:20171-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2025-20171-1.md) | Dec 18, 2025 | | Linux | qemu-linux-user sles 15.7 | 9.2.4-150700.3.11.1 | [SUSE-SU-2026:0288-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-0288-1.md) | Jan 26, 2026 | | Linux | qemu-linux-user sles 16.0 | 10.0.7-160000.1.1 | [SUSE-SU-2025:21233-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-21233-1.md) | Dec 18, 2025 | | Linux | qemu-system Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.13 | [qemu-system 1:8.2.2+ds-0ubuntu1.13](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-system-1-8.2.2-ds-0ubuntu1.13.md) | Mar 12, 2026 | | Linux | qemu-system Ubuntu 25.10 (questing) | 1:10.1.0+ds-5ubuntu2.4 | [qemu-system 1:10.1.0+ds-5ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-questing-qemu-system-1-10.1.0-ds-5ubuntu2.4.md) | Mar 12, 2026 | | Linux | qemu-system-arm Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.13 | [qemu-system-arm 1:8.2.2+ds-0ubuntu1.13](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-system-arm-1-8.2.2-ds-0ubuntu1.13.md) | Mar 12, 2026 | | Linux | qemu-system-arm Ubuntu 25.10 (questing) | 1:10.1.0+ds-5ubuntu2.4 | [qemu-system-arm 1:10.1.0+ds-5ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-questing-qemu-system-arm-1-10.1.0-ds-5ubuntu2.4.md) | Mar 12, 2026 | | Linux | qemu-system-common Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.13 | [qemu-system-common 1:8.2.2+ds-0ubuntu1.13](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-system-common-1-8.2.2-ds-0ubuntu1.13.md) | Mar 12, 2026 | | Linux | qemu-system-common Ubuntu 25.10 (questing) | 1:10.1.0+ds-5ubuntu2.4 | [qemu-system-common 1:10.1.0+ds-5ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-questing-qemu-system-common-1-10.1.0-ds-5ubuntu2.4.md) | Mar 12, 2026 | | Linux | qemu-system-data Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.13 | [qemu-system-data 1:8.2.2+ds-0ubuntu1.13](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-system-data-1-8.2.2-ds-0ubuntu1.13.md) | Mar 12, 2026 | | Linux | qemu-system-data Ubuntu 25.10 (questing) | 1:10.1.0+ds-5ubuntu2.4 | [qemu-system-data 1:10.1.0+ds-5ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-questing-qemu-system-data-1-10.1.0-ds-5ubuntu2.4.md) | Mar 12, 2026 | | Linux | qemu-system-gui Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.13 | [qemu-system-gui 1:8.2.2+ds-0ubuntu1.13](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-system-gui-1-8.2.2-ds-0ubuntu1.13.md) | Mar 12, 2026 | | Linux | qemu-system-gui Ubuntu 25.10 (questing) | 1:10.1.0+ds-5ubuntu2.4 | [qemu-system-gui 1:10.1.0+ds-5ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-questing-qemu-system-gui-1-10.1.0-ds-5ubuntu2.4.md) | Mar 12, 2026 | | Linux | qemu-system-mips Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.13 | [qemu-system-mips 1:8.2.2+ds-0ubuntu1.13](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-system-mips-1-8.2.2-ds-0ubuntu1.13.md) | Mar 12, 2026 | | Linux | qemu-system-mips Ubuntu 25.10 (questing) | 1:10.1.0+ds-5ubuntu2.4 | [qemu-system-mips 1:10.1.0+ds-5ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-questing-qemu-system-mips-1-10.1.0-ds-5ubuntu2.4.md) | Mar 12, 2026 | | Linux | qemu-system-misc Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.13 | [qemu-system-misc 1:8.2.2+ds-0ubuntu1.13](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-system-misc-1-8.2.2-ds-0ubuntu1.13.md) | Mar 12, 2026 | | Linux | qemu-system-misc Ubuntu 25.10 (questing) | 1:10.1.0+ds-5ubuntu2.4 | [qemu-system-misc 1:10.1.0+ds-5ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-questing-qemu-system-misc-1-10.1.0-ds-5ubuntu2.4.md) | Mar 12, 2026 | | Linux | qemu-system-modules-opengl Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.13 | [qemu-system-modules-opengl 1:8.2.2+ds-0ubuntu1.13](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-system-modules-opengl-1-8.2.2-ds-0ubuntu1.13.md) | Mar 12, 2026 | | Linux | qemu-system-modules-opengl Ubuntu 25.10 (questing) | 1:10.1.0+ds-5ubuntu2.4 | [qemu-system-modules-opengl 1:10.1.0+ds-5ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-questing-qemu-system-modules-opengl-1-10.1.0-ds-5ubuntu2.4.md) | Mar 12, 2026 | | Linux | qemu-system-modules-spice Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.13 | [qemu-system-modules-spice 1:8.2.2+ds-0ubuntu1.13](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-system-modules-spice-1-8.2.2-ds-0ubuntu1.13.md) | Mar 12, 2026 | | Linux | qemu-system-modules-spice Ubuntu 25.10 (questing) | 1:10.1.0+ds-5ubuntu2.4 | [qemu-system-modules-spice 1:10.1.0+ds-5ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-questing-qemu-system-modules-spice-1-10.1.0-ds-5ubuntu2.4.md) | Mar 12, 2026 | | Linux | qemu-system-ppc Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.13 | [qemu-system-ppc 1:8.2.2+ds-0ubuntu1.13](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-system-ppc-1-8.2.2-ds-0ubuntu1.13.md) | Mar 12, 2026 | | Linux | qemu-system-ppc Ubuntu 25.10 (questing) | 1:10.1.0+ds-5ubuntu2.4 | [qemu-system-ppc 1:10.1.0+ds-5ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-questing-qemu-system-ppc-1-10.1.0-ds-5ubuntu2.4.md) | Mar 12, 2026 | | Linux | qemu-system-riscv Ubuntu 25.10 (questing) | 1:10.1.0+ds-5ubuntu2.4 | [qemu-system-riscv 1:10.1.0+ds-5ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-questing-qemu-system-riscv-1-10.1.0-ds-5ubuntu2.4.md) | Mar 12, 2026 | | Linux | qemu-system-s390x Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.13 | [qemu-system-s390x 1:8.2.2+ds-0ubuntu1.13](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-system-s390x-1-8.2.2-ds-0ubuntu1.13.md) | Mar 12, 2026 | | Linux | qemu-system-s390x Ubuntu 25.10 (questing) | 1:10.1.0+ds-5ubuntu2.4 | [qemu-system-s390x 1:10.1.0+ds-5ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-questing-qemu-system-s390x-1-10.1.0-ds-5ubuntu2.4.md) | Mar 12, 2026 | | Linux | qemu-system-sparc Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.13 | [qemu-system-sparc 1:8.2.2+ds-0ubuntu1.13](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-system-sparc-1-8.2.2-ds-0ubuntu1.13.md) | Mar 12, 2026 | | Linux | qemu-system-sparc Ubuntu 25.10 (questing) | 1:10.1.0+ds-5ubuntu2.4 | [qemu-system-sparc 1:10.1.0+ds-5ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-questing-qemu-system-sparc-1-10.1.0-ds-5ubuntu2.4.md) | Mar 12, 2026 | | Linux | qemu-system-x86 Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.13 | [qemu-system-x86 1:8.2.2+ds-0ubuntu1.13](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-system-x86-1-8.2.2-ds-0ubuntu1.13.md) | Mar 12, 2026 | | Linux | qemu-system-x86 Ubuntu 25.10 (questing) | 1:10.1.0+ds-5ubuntu2.4 | [qemu-system-x86 1:10.1.0+ds-5ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-questing-qemu-system-x86-1-10.1.0-ds-5ubuntu2.4.md) | Mar 12, 2026 | | Linux | qemu-system-x86-xen Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.13 | [qemu-system-x86-xen 1:8.2.2+ds-0ubuntu1.13](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-system-x86-xen-1-8.2.2-ds-0ubuntu1.13.md) | Mar 12, 2026 | | Linux | qemu-system-x86-xen Ubuntu 25.10 (questing) | 1:10.1.0+ds-5ubuntu2.4 | [qemu-system-x86-xen 1:10.1.0+ds-5ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-questing-qemu-system-x86-xen-1-10.1.0-ds-5ubuntu2.4.md) | Mar 12, 2026 | | Linux | qemu-system-xen Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.13 | [qemu-system-xen 1:8.2.2+ds-0ubuntu1.13](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-system-xen-1-8.2.2-ds-0ubuntu1.13.md) | Mar 12, 2026 | | Linux | qemu-system-xen Ubuntu 25.10 (questing) | 1:10.1.0+ds-5ubuntu2.4 | [qemu-system-xen 1:10.1.0+ds-5ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-questing-qemu-system-xen-1-10.1.0-ds-5ubuntu2.4.md) | Mar 12, 2026 | | Linux | qemu-user Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.13 | [qemu-user 1:8.2.2+ds-0ubuntu1.13](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-user-1-8.2.2-ds-0ubuntu1.13.md) | Mar 12, 2026 | | Linux | qemu-user Ubuntu 25.10 (questing) | 1:10.1.0+ds-5ubuntu2.4 | [qemu-user 1:10.1.0+ds-5ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-questing-qemu-user-1-10.1.0-ds-5ubuntu2.4.md) | Mar 12, 2026 | | Linux | qemu-user-binfmt Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.13 | [qemu-user-binfmt 1:8.2.2+ds-0ubuntu1.13](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-user-binfmt-1-8.2.2-ds-0ubuntu1.13.md) | Mar 12, 2026 | | Linux | qemu-user-binfmt Ubuntu 25.10 (questing) | 1:10.1.0+ds-5ubuntu2.4 | [qemu-user-binfmt 1:10.1.0+ds-5ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-questing-qemu-user-binfmt-1-10.1.0-ds-5ubuntu2.4.md) | Mar 12, 2026 | | Linux | qemu-user-static Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.13 | [qemu-user-static 1:8.2.2+ds-0ubuntu1.13](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-user-static-1-8.2.2-ds-0ubuntu1.13.md) | Mar 12, 2026 | | Linux | qemu-utils Ubuntu 24.04.5 LTS (noble) | 1:8.2.2+ds-0ubuntu1.13 | [qemu-utils 1:8.2.2+ds-0ubuntu1.13](https://patchblox.com/security/data/fix/linux/ubuntu-noble-qemu-utils-1-8.2.2-ds-0ubuntu1.13.md) | Mar 12, 2026 | | Linux | qemu-utils Ubuntu 25.10 (questing) | 1:10.1.0+ds-5ubuntu2.4 | [qemu-utils 1:10.1.0+ds-5ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-questing-qemu-utils-1-10.1.0-ds-5ubuntu2.4.md) | Mar 12, 2026 | --- Data as of 2026-11-08T06:59:42Z UTC. 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