https://cve.radiocsirt.org Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Sat, 03 Oct 2026 20:36:43 +0000 https://cve.radiocsirt.org/vuln/alsa-2022:5821 <p><strong>Affected:</strong> AlmaLinux:8: SLOF, AlmaLinux:8: hivex, AlmaLinux:8: hivex-devel, AlmaLinux:8: libguestfs, AlmaLinux:8: libguestfs-appliance, AlmaLinux:8: libguestfs-bash-completion, AlmaLinux:8: libguestfs-devel, AlmaLinux:8: libguestfs-gfs2, AlmaLinux:8: libguestfs-gobject, AlmaLinux:8: libguestfs-gobject-devel and 120 more</p> <p>Kernel-based Virtual Machine (KVM) offers a full virtualization solution for Linux on numerous hardware platforms. The virt:rhel module contains packages which provide user-space components used to run virtual machines using KVM. The packages also provide APIs for managing and interacting with the virtualized systems. Security Fix(es): * QEMU: QXL: integer overflow in cursor_alloc() can lead to heap buffer overflow (CVE-2021-4206) * QEMU: QXL: double fetch in qxl_cursor() can lead to heap buffer overflow (CVE-2021-4207) * QEMU: virtio-net: map leaking on error during receive (CVE-2022-26353) * QEMU: vhost-vsock: missing virtqueue detach on error can lead to memory leak (CVE-2022-26354) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Bug Fix(es): * AlmaLinux 9.0 guest with vsock device migration failed from AlmaLinux 9.0 &gt; AlmaLinux 8.6 (BZ#2071103) * Fail to rebuild the reference count tables of qcow2 image on host block devices (e.g. LVs) (BZ#2072242) * Remove upstream-only devices from the qemu-kvm binary (BZ#2077928) * When doing a cpu-baseline between skylake and cascadelake, cascadelake is selected as baseline. (BZ#2084030) * Virt-v2v can&#39;t convert rhel8.6 guest from VMware on rhel8.6 (BZ#2093415) Enhancement(s): * Allow memory prealloc from multiple threads (BZ#2075569)</p> <p><strong>Affected:</strong> AlmaLinux:8: SLOF, AlmaLinux:8: hivex, AlmaLinux:8: hivex-devel, AlmaLinux:8: libguestfs, AlmaLinux:8: libguestfs-appliance, AlmaLinux:8: libguestfs-bash-completion, AlmaLinux:8: libguestfs-devel, AlmaLinux:8: libguestfs-gfs2, AlmaLinux:8: libguestfs-gobject, AlmaLinux:8: libguestfs-gobject-devel and 120 more</p> <p>Kernel-based Virtual Machine (KVM) offers a full virtualization solution for Linux on numerous hardware platforms. The virt:rhel module contains packages which provide user-space components used to run virtual machines using KVM. The packages also provide APIs for managing and interacting with the virtualized systems. Security Fix(es): * QEMU: QXL: integer overflow in cursor_alloc() can lead to heap buffer overflow (CVE-2021-4206) * QEMU: QXL: double fetch in qxl_cursor() can lead to heap buffer overflow (CVE-2021-4207) * QEMU: virtio-net: map leaking on error during receive (CVE-2022-26353) * QEMU: vhost-vsock: missing virtqueue detach on error can lead to memory leak (CVE-2022-26354) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Bug Fix(es): * AlmaLinux 9.0 guest with vsock device migration failed from AlmaLinux 9.0 &gt; AlmaLinux 8.6 (BZ#2071103) * Fail to rebuild the reference count tables of qcow2 image on host block devices (e.g. LVs) (BZ#2072242) * Remove upstream-only devices from the qemu-kvm binary (BZ#2077928) * When doing a cpu-baseline between skylake and cascadelake, cascadelake is selected as baseline. (BZ#2084030) * Virt-v2v can&#39;t convert rhel8.6 guest from VMware on rhel8.6 (BZ#2093415) Enhancement(s): * Allow memory prealloc from multiple threads (BZ#2075569)</p> https://cve.radiocsirt.org/vuln/alsa-2022:5821 https://cve.radiocsirt.org/vuln/bdu:2022-03597 bdu:2022-03597 https://cve.radiocsirt.org/vuln/bdu:2022-03597 https://cve.radiocsirt.org/vuln/bell-cve-2021-4207 <p><strong>Withdrawn by the publisher.</strong></p> <p><strong>Withdrawn by the publisher.</strong></p> https://cve.radiocsirt.org/vuln/bell-cve-2021-4207 https://cve.radiocsirt.org/vuln/cnvd-2023-80119 cnvd-2023-80119 https://cve.radiocsirt.org/vuln/cnvd-2023-80119 https://cve.radiocsirt.org/vuln/euvd-2026-224328 EUVD-2026-224328 https://cve.radiocsirt.org/vuln/euvd-2026-224328 https://cve.radiocsirt.org/vuln/fkie_cve-2021-4207 <p>A flaw was found in the QXL display device emulation in QEMU. A double fetch of guest controlled values `cursor-&gt;header.width` and `cursor-&gt;header.height` can lead to the allocation of a small cursor object followed by a subsequent heap-based buffer overflow. A malicious privileged guest user could use this flaw to crash the QEMU process on the host or potentially execute arbitrary code within the context of the QEMU process.</p> <p>A flaw was found in the QXL display device emulation in QEMU. A double fetch of guest controlled values `cursor-&gt;header.width` and `cursor-&gt;header.height` can lead to the allocation of a small cursor object followed by a subsequent heap-based buffer overflow. A malicious privileged guest user could use this flaw to crash the QEMU process on the host or potentially execute arbitrary code within the context of the QEMU process.</p> https://cve.radiocsirt.org/vuln/fkie_cve-2021-4207 https://cve.radiocsirt.org/vuln/ghsa-9p8r-v33g-4939 <p>A flaw was found in the QXL display device emulation in QEMU. A double fetch of guest controlled values `cursor-&gt;header.width` and `cursor-&gt;header.height` can lead to the allocation of a small cursor object followed by a subsequent heap-based buffer overflow. A malicious privileged guest user could use this flaw to crash the QEMU process on the host or potentially execute arbitrary code within the context of the QEMU process.</p> <p>A flaw was found in the QXL display device emulation in QEMU. A double fetch of guest controlled values `cursor-&gt;header.width` and `cursor-&gt;header.height` can lead to the allocation of a small cursor object followed by a subsequent heap-based buffer overflow. A malicious privileged guest user could use this flaw to crash the QEMU process on the host or potentially execute arbitrary code within the context of the QEMU process.</p> https://cve.radiocsirt.org/vuln/ghsa-9p8r-v33g-4939 https://cve.radiocsirt.org/vuln/gsd-2021-4207 gsd-2021-4207 https://cve.radiocsirt.org/vuln/gsd-2021-4207 https://cve.radiocsirt.org/vuln/msrc_cve-2021-4207 msrc_CVE-2021-4207 https://cve.radiocsirt.org/vuln/msrc_cve-2021-4207 https://cve.radiocsirt.org/vuln/oesa-2022-1662 <p><strong>Affected:</strong> openEuler:20.03-LTS-SP1: qemu, openEuler:20.03-LTS-SP3: qemu, openEuler:22.03-LTS: qemu</p> <p>QEMU is a FAST! processor emulator using dynamic translation to achieve good emulation speed.</p> <p>Security Fix(es):</p> <p>A flaw was found in the QXL display device emulation in QEMU. An integer overflow in the cursor_alloc() function can lead to the allocation of a small cursor object followed by a subsequent heap-based buffer overflow. This flaw allows a malicious privileged guest user to crash the QEMU process on the host or potentially execute arbitrary code within the context of the QEMU process.(CVE-2021-4206)</p> <p>A flaw was found in the QXL display device emulation in QEMU. A double fetch of guest controlled values cursor-&gt;header.width and cursor-&gt;header.height can lead to the allocation of a small cursor object followed by a subsequent heap-based buffer overflow. A malicious privileged guest user could use this flaw to crash the QEMU process on the host or potentially execute arbitrary code within the context of the QEMU process.(CVE-2021-4207)</p> <p>A NULL pointer dereference flaw was found in the floppy disk emulator of QEMU. This issue occurs while processing read/write ioport commands if the selected floppy drive is not initialized with a block device. This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability.(CVE-2021-20196)</p> <p>A flaw was found in the virtio-net device of QEMU. This flaw was inadvertently introduced with the fix for CVE-2021-3748, which for…</p> <p><strong>Affected:</strong> openEuler:20.03-LTS-SP1: qemu, openEuler:20.03-LTS-SP3: qemu, openEuler:22.03-LTS: qemu</p> <p>QEMU is a FAST! processor emulator using dynamic translation to achieve good emulation speed.</p> <p>Security Fix(es):</p> <p>A flaw was found in the QXL display device emulation in QEMU. An integer overflow in the cursor_alloc() function can lead to the allocation of a small cursor object followed by a subsequent heap-based buffer overflow. This flaw allows a malicious privileged guest user to crash the QEMU process on the host or potentially execute arbitrary code within the context of the QEMU process.(CVE-2021-4206)</p> <p>A flaw was found in the QXL display device emulation in QEMU. A double fetch of guest controlled values cursor-&gt;header.width and cursor-&gt;header.height can lead to the allocation of a small cursor object followed by a subsequent heap-based buffer overflow. A malicious privileged guest user could use this flaw to crash the QEMU process on the host or potentially execute arbitrary code within the context of the QEMU process.(CVE-2021-4207)</p> <p>A NULL pointer dereference flaw was found in the floppy disk emulator of QEMU. This issue occurs while processing read/write ioport commands if the selected floppy drive is not initialized with a block device. This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability.(CVE-2021-20196)</p> <p>A flaw was found in the virtio-net device of QEMU. This flaw was inadvertently introduced with the fix for CVE-2021-3748, which for…</p> https://cve.radiocsirt.org/vuln/oesa-2022-1662 https://cve.radiocsirt.org/vuln/rhsa-2022:5002 <p>QEMU: QXL: integer overflow in cursor_alloc() can lead to heap buffer overflow QEMU: QXL: double fetch in qxl_cursor() can lead to heap buffer overflow QEMU: virtio-net: map leaking on error during receive QEMU: vhost-vsock: missing virtqueue detach on error can lead to memory leak</p> <p>QEMU: QXL: integer overflow in cursor_alloc() can lead to heap buffer overflow QEMU: QXL: double fetch in qxl_cursor() can lead to heap buffer overflow QEMU: virtio-net: map leaking on error during receive QEMU: vhost-vsock: missing virtqueue detach on error can lead to memory leak</p> https://cve.radiocsirt.org/vuln/rhsa-2022:5002 https://cve.radiocsirt.org/vuln/suse-su-2023:2358-1 <p>Security update for qemu</p> <p>Security update for qemu</p> https://cve.radiocsirt.org/vuln/suse-su-2023:2358-1 https://cve.radiocsirt.org/vuln/ubuntu-cve-2021-4207 <p><strong>Affected:</strong> Ubuntu:Pro:14.04:LTS: qemu, Ubuntu:Pro:16.04:LTS: qemu, Ubuntu:18.04:LTS: qemu, Ubuntu:20.04:LTS: qemu, Ubuntu:22.04:LTS: qemu</p> <p>A flaw was found in the QXL display device emulation in QEMU. A double fetch of guest controlled values `cursor-&gt;header.width` and `cursor-&gt;header.height` can lead to the allocation of a small cursor object followed by a subsequent heap-based buffer overflow. A malicious privileged guest user could use this flaw to crash the QEMU process on the host or potentially execute arbitrary code within the context of the QEMU process.</p> <p><strong>Affected:</strong> Ubuntu:Pro:14.04:LTS: qemu, Ubuntu:Pro:16.04:LTS: qemu, Ubuntu:18.04:LTS: qemu, Ubuntu:20.04:LTS: qemu, Ubuntu:22.04:LTS: qemu</p> <p>A flaw was found in the QXL display device emulation in QEMU. A double fetch of guest controlled values `cursor-&gt;header.width` and `cursor-&gt;header.height` can lead to the allocation of a small cursor object followed by a subsequent heap-based buffer overflow. A malicious privileged guest user could use this flaw to crash the QEMU process on the host or potentially execute arbitrary code within the context of the QEMU process.</p> https://cve.radiocsirt.org/vuln/ubuntu-cve-2021-4207 https://cve.radiocsirt.org/vuln/wid-sec-w-2022-0282 <p>Ein lokaler Angreifer kann mehrere Schwachstelle in QEMU ausnutzen, um einen Denial of Service Angriff durchzuführen und beliebigen Code auszuführen.</p> <p>Ein lokaler Angreifer kann mehrere Schwachstelle in QEMU ausnutzen, um einen Denial of Service Angriff durchzuführen und beliebigen Code auszuführen.</p> https://cve.radiocsirt.org/vuln/wid-sec-w-2022-0282