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out-of-bounds memory access flaw was found in the ATI VGA device emulation of QEMU. This flaw occurs in the ati_2d_blt() routine while handling MMIO write operations when the guest provides invalid values for the destination display parameters. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service.","status":"published","published":"2022-03-03T00:00:00Z","modified":"2024-08-03T17:01:07.554Z","cwes":["CWE-787"],"updated_at":"2026-11-02T14:33:03.671751Z"}],"euvd":[{"id":"EUVD-2021-26938","description":"An out-of-bounds memory access flaw was found in the ATI VGA device emulation of QEMU. This flaw occurs in the ati_2d_blt() routine while handling MMIO write operations when the guest provides invalid values for the destination display parameters. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service.","status":"published","published":"2022-03-03T00:00:00Z","modified":"2024-08-03T17:01:07Z","updated_at":"2026-11-03T03:25:12.535968Z"}],"ghsa":[{"id":"GHSA-2r38-g5xg-3v7g","title":"An out-of-bounds memory access flaw was found in the ATI VGA device emulation of QEMU. This flaw...","description":"An out-of-bounds memory access flaw was found in the ATI VGA device emulation of QEMU. This flaw occurs in the ati_2d_blt() routine while handling MMIO write operations when the guest provides invalid values for the destination display parameters. 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A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service.","status":"published","published":"2022-03-03T23:15:08.147Z","modified":"2026-10-24T10:30:32.898968267Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:20.434873Z"},{"id":"DEBIAN-CVE-2021-3638","description":"An out-of-bounds memory access flaw was found in the ATI VGA device emulation of QEMU. This flaw occurs in the ati_2d_blt() routine while handling MMIO write operations when the guest provides invalid values for the destination display parameters. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service.","status":"published","published":"2022-03-03T23:15:08.147Z","modified":"2026-10-23T18:00:19.460079257Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:45:35.233346Z"},{"id":"OESA-2022-1995","title":"qemu security update","description":"QEMU is a FAST! processor emulator using dynamic translation to achieve good emulation speed.\n\n\t\tQEMU has two operating modes:\n\n\t\tFull system emulation. In this mode, QEMU emulates a full system (for example a PC),\n\t\tincluding one or several processors and various peripherals. It can be used to launch\n\t\tdifferent Operating Systems without rebooting the PC or to debug system code.\n\n\t\tUser mode emulation. In this mode, QEMU can launch processes compiled for one CPU on another CPU.\n\t\tIt can be used to launch the Wine Windows API emulator (https://www.winehq.org) or to ease\n\t\tcross-compilation and cross-debugging.\n\t\tYou can refer to https://www.qemu.org for more infortmation.\r\n\r\nSecurity Fix(es):\r\n\r\nAn out-of-bounds memory access flaw was found in the ATI VGA device emulation of QEMU. This flaw occurs in the ati_2d_blt() routine while handling MMIO write operations when the guest provides invalid values for the destination display parameters. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service.(CVE-2021-3638)","status":"published","published":"2022-10-14T11:05:18Z","modified":"2026-08-18T01:17:20.010475049Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:52:39.528805Z"},{"id":"OESA-2022-1996","title":"qemu security update","description":"QEMU is a FAST! processor emulator using dynamic translation to achieve good emulation speed.\n\n\t\tQEMU has two operating modes:\n\n\t\tFull system emulation. In this mode, QEMU emulates a full system (for example a PC),\n\t\tincluding one or several processors and various peripherals. It can be used to launch\n\t\tdifferent Operating Systems without rebooting the PC or to debug system code.\n\n\t\tUser mode emulation. In this mode, QEMU can launch processes compiled for one CPU on another CPU.\n\t\tIt can be used to launch the Wine Windows API emulator (https://www.winehq.org) or to ease\n\t\tcross-compilation and cross-debugging.\n\t\tYou can refer to https://www.qemu.org for more infortmation.\r\n\r\nSecurity Fix(es):\r\n\r\nAn out-of-bounds memory access flaw was found in the ATI VGA device emulation of QEMU. This flaw occurs in the ati_2d_blt() routine while handling MMIO write operations when the guest provides invalid values for the destination display parameters. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service.(CVE-2021-3638)","status":"published","published":"2022-10-14T11:05:18Z","modified":"2026-08-18T01:17:20.040627841Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:52:39.528805Z"},{"id":"OESA-2022-1997","title":"qemu security update","description":"QEMU is a FAST! processor emulator using dynamic translation to achieve good emulation speed.\n\n\t\tQEMU has two operating modes:\n\n\t\tFull system emulation. In this mode, QEMU emulates a full system (for example a PC),\n\t\tincluding one or several processors and various peripherals. It can be used to launch\n\t\tdifferent Operating Systems without rebooting the PC or to debug system code.\n\n\t\tUser mode emulation. In this mode, QEMU can launch processes compiled for one CPU on another CPU.\n\t\tIt can be used to launch the Wine Windows API emulator (https://www.winehq.org) or to ease\n\t\tcross-compilation and cross-debugging.\n\t\tYou can refer to https://www.qemu.org for more infortmation.\r\n\r\nSecurity Fix(es):\r\n\r\nAn out-of-bounds memory access flaw was found in the ATI VGA device emulation of QEMU. This flaw occurs in the ati_2d_blt() routine while handling MMIO write operations when the guest provides invalid values for the destination display parameters. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service.(CVE-2021-3638)\r\n\r\nA DMA reentrancy issue was found in the Tulip device emulation in QEMU. When Tulip reads or writes to the rx/tx descriptor or copies the rx/tx frame, it doesn\u0026apos;t check whether the destination address is its own MMIO address. This can cause the device to trigger MMIO handlers multiple times, possibly leading to a stack or heap overflow. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition.(CVE-2022-2962)","status":"published","published":"2022-10-14T11:05:18Z","modified":"2026-08-18T01:17:20.0291876Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:52:39.528805Z"},{"id":"UBUNTU-CVE-2021-3638","description":"An out-of-bounds memory access flaw was found in the ATI VGA device emulation of QEMU. This flaw occurs in the ati_2d_blt() routine while handling MMIO write operations when the guest provides invalid values for the destination display parameters. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service.","status":"published","published":"2022-03-03T23:15:00Z","modified":"2026-02-04T04:30:28.809592Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:54:27.870979Z"},{"id":"DSA-4980-1","title":"qemu - security update","status":"published","published":"2021-10-03T00:00:00Z","modified":"2026-03-09T02:10:18.208488Z","updated_at":"2026-11-02T15:46:17.19998Z"},{"id":"SUSE-SU-2023:3444-1","title":"Security update for qemu","description":"This update for qemu fixes the following issues:\n\n- CVE-2023-0330: Fixed a stack overflow due to a DMA reentrancy issue. (bsc#1207205)\n- CVE-2023-3354: Fixed a remote unauthenticated DoS due to an improper I/O watch removal in VNC TLS handshake. (bsc#1212850)\n- CVE-2023-3180: Fixed a heap buffer overflow in virtio_crypto_sym_op_helper(). (bsc#1213925)\n- CVE-2021-3638: Fixed an out-of-bounds write due to an inconsistent check in ati_2d_blt(). (bsc#1188609)\n- CVE-2023-3301: Fixed a DoS due to an assertion failure. (bsc#1213414)\n- CVE-2021-3750: Fixed an use-after-free in DMA reentrancy issue. (bsc#1190011)\n","status":"published","published":"2023-08-28T08:41:10Z","modified":"2026-02-04T03:10:20.689029Z","updated_at":"2026-11-02T15:53:53.440387Z"},{"id":"SUSE-SU-2023:3721-1","title":"Security update for qemu","description":"This update for qemu fixes the following issues:\n\n- CVE-2022-26354: Fixed a memory leak due to a missing virtqueue detach on error. (bsc#1198712)\n- CVE-2021-3929: Fixed an use-after-free in nvme DMA reentrancy issue. (bsc#1193880)\n- CVE-2023-0330: Fixed a stack overflow due to a DMA reentrancy issue. (bsc#1207205)\n- CVE-2020-13754: Fixed a DoS due to an OOB access during mmio operations. (bsc#1172382)\n- CVE-2023-3354: Fixed a remote unauthenticated DoS due to an improper I/O watch removal in VNC TLS handshake. (bsc#1212850)\n- CVE-2023-3180: Fixed a heap buffer overflow in virtio_crypto_sym_op_helper(). (bsc#1213925)\n- CVE-2021-3638: Fixed an out-of-bounds write due to an inconsistent check in ati_2d_blt(). (bsc#1188609)\n- CVE-2021-3750: Fixed an use-after-free in DMA reentrancy issue. (bsc#1190011)\n- CVE-2023-2861: Fixed improper access control on special files in 9pfs (bsc#1212968).\n- CVE-2022-1050: Fixed use-after-free issue in pvrdma_exec_cmd() (bsc#1197653).\n\nThe following non-security bug was fixed:\n\n- Prepare for binutils update to 2.41 update (bsc#1215311).\n","status":"published","published":"2023-09-21T07:57:13Z","modified":"2026-02-04T04:33:33.102505Z","updated_at":"2026-11-02T15:53:53.440387Z"},{"id":"SUSE-SU-2023:4056-1","title":"Security update for qemu","description":"This update for qemu fixes the following issues:\n\n- CVE-2023-3180: Fixed a buffer overflow in the virtio-crypto device\n  (bsc#1213925).\n- CVE-2021-3750: Fixed a DMA reentrancy in the USB EHCI device that\n  could lead to use-after-free (bsc#1190011).\n- CVE-2021-3638: Fixed a buffer overflow in the ati-vga device\n  (bsc#1188609).\n- CVE-2023-3354: Fixed an issue when performing a TLS handshake that\n  could lead to remote denial of service via VNC connection\n  (bsc#1212850).\n- CVE-2023-0330: Fixed a DMA reentrancy issue in the lsi53c895a device\n  that could lead to a stack overflow (bsc#1207205).\n\nNon-security fixes:\n\n- Fixed a potential build issue in the librm subcomponent\n  (bsc#1215311).\n- Fixed a potential crash during VM migration (bsc#1213663).\n- Fixed potential issues during installation on a Xen host\n  (bsc#1179993, bsc#1181740).\n","status":"published","published":"2023-10-12T07:55:01Z","modified":"2026-02-04T02:25:33.246091Z","updated_at":"2026-11-02T15:53:53.440387Z"},{"id":"SUSE-SU-2023:4662-1","title":"Security update for qemu","description":"This update for qemu fixes the following issues:\n\n- CVE-2021-3638: hw/display/ati_2d: Fix buffer overflow in ati_2d_blt (bsc#1188609)\n- CVE-2023-3180: virtio-crypto: verify src and dst buffer length for sym request (bsc#1213925)\n- CVE-2023-3354: io: remove io watch if TLS channel is closed during handshake (bsc#1212850)\n- [openSUSE] roms/ipxe: Backport 0aa2e4ec9635, in preparation of binutils 2.41 (bsc#1215311)\n- target/s390x: Fix the 'ignored match' case in VSTRS (bsc#1213210)\n- linux-user/elfload: Enable vxe2 on s390x (bsc#1213210)\n","status":"published","published":"2023-12-06T12:26:56Z","modified":"2026-02-04T03:15:20.931499Z","updated_at":"2026-11-02T15:53:53.865042Z"},{"id":"SUSE-SU-2024:0589-1","title":"Security update for qemu","description":"This update for qemu fixes the following issues:\n\n- CVE-2021-3638: hw/display/ati_2d: Fix buffer overflow in ati_2d_blt (bsc#1188609)\n- CVE-2023-3180: virtio-crypto: verify src and dst buffer length for sym request (bsc#1213925)\n- CVE-2023-3354: io: remove io watch if TLS channel is closed during handshake (bsc#1212850)\n- [openSUSE] roms/ipxe: Backport 0aa2e4ec9635, in preparation of binutils 2.41 (bsc#1215311)\n- target/s390x: Fix the 'ignored match' case in VSTRS (bsc#1213210)\n- linux-user/elfload: Enable vxe2 on s390x (bsc#1213210)\n","status":"published","published":"2024-02-22T09:14:24Z","modified":"2026-02-04T03:46:47.432825Z","updated_at":"2026-11-02T15:53:54.239786Z"},{"id":"USN-6567-1","title":"qemu vulnerabilities","description":"Gaoning Pan and Xingwei Li discovered that QEMU incorrectly handled the\nUSB xHCI controller device. A privileged guest attacker could possibly use\nthis issue to cause QEMU to crash, leading to a denial of service. This\nissue only affected Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2020-14394)\n\nIt was discovered that QEMU incorrectly handled the TCG Accelerator. A\nlocal attacker could use this issue to cause QEMU to crash, leading to a\ndenial of service, or possibly execute arbitrary code and esclate\nprivileges. This issue only affected Ubuntu 20.04 LTS. (CVE-2020-24165)\n\nIt was discovered that QEMU incorrectly handled the Intel HD audio device.\nA malicious guest attacker could use this issue to cause QEMU to crash,\nleading to a denial of service. This issue only affected Ubuntu 22.04 LTS.\n(CVE-2021-3611)\n\nIt was discovered that QEMU incorrectly handled the ATI VGA device. A\nmalicious guest attacker could use this issue to cause QEMU to crash,\nleading to a denial of service. This issue only affected Ubuntu 20.04 LTS.\n(CVE-2021-3638)\n\nIt was discovered that QEMU incorrectly handled the VMWare paravirtual RDMA\ndevice. A malicious guest attacker could use this issue to cause QEMU to\ncrash, leading to a denial of service. (CVE-2023-1544)\n\nIt was discovered that QEMU incorrectly handled the 9p passthrough\nfilesystem. A malicious guest attacker could possibly use this issue to\nopen special files and escape the exported 9p tree. This issue only\naffected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 23.04.\n(CVE-2023-2861)\n\nIt was discovered that QEMU incorrectly handled the virtual crypto device.\nA malicious guest attacker could use this issue to cause QEMU to crash,\nleading to a denial of service, or possibly execute arbitrary code. This\nissue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 23.04.\n(CVE-2023-3180)\n\nIt was discovered that QEMU incorrectly handled the built-in VNC server.\nA remote authenticated attacker could possibly use this issue to cause QEMU\nto stop responding, resulting in a denial of service. This issue only\naffected Ubuntu 22.04 LTS and Ubuntu 23.04. (CVE-2023-3255)\n\nIt was discovered that QEMU incorrectly handled net device hot-unplugging.\nA malicious guest attacker could use this issue to cause QEMU to crash,\nleading to a denial of service. This issue only affected Ubuntu 22.04 LTS\nand Ubuntu 23.04. (CVE-2023-3301)\n\nIt was discovered that QEMU incorrectly handled the built-in VNC server.\nA remote attacker could possibly use this issue to cause QEMU to crash,\nresulting in a denial of service. This issue only affected Ubuntu 20.04\nLTS, Ubuntu 22.04 LTS, and Ubuntu 23.04. (CVE-2023-3354)\n\nIt was discovered that QEMU incorrectly handled NVME devices. A malicious\nguest attacker could use this issue to cause QEMU to crash, leading to a\ndenial of service. This issue only affected Ubuntu 23.10. (CVE-2023-40360)\n\nIt was discovered that QEMU incorrectly handled NVME devices. A malicious\nguest attacker could use this issue to cause QEMU to crash, leading to a\ndenial of service, or possibly obtain sensitive information. This issue\nonly affected Ubuntu 23.10. (CVE-2023-4135)\n\nIt was discovered that QEMU incorrectly handled SCSI devices. A malicious\nguest attacker could use this issue to cause QEMU to crash, leading to a\ndenial of service. This issue only affected Ubuntu 23.04 and Ubuntu 23.10.\n(CVE-2023-42467)\n\nIt was discovered that QEMU incorrectly handled certain disk offsets. A\nmalicious guest attacker could possibly use this issue to gain control of\nthe host in certain nested virtualization scenarios. (CVE-2023-5088)\n","status":"published","published":"2024-01-08T17:46:08Z","modified":"2026-04-27T17:17:23.282117066Z","updated_at":"2026-11-02T16:58:17.305935Z"}]}}