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CVE-2021-3546

CVE-2021-3546

This page contains facts from public vulnerability sources. Check the original advisory before updating.

An out-of-bounds write vulnerability was found in the virtio vhost-user GPU device (vhost-user-gpu) of QEMU in versions up to and including 6.0. The flaw occurs while processing the 'VIRTIO_GPU_CMD_GET_CAPSET' command from the guest. It could allow a privileged guest user to crash the QEMU process on the host, resulting in a denial of service condition, or potential code execution with the privileges of the QEMU process.

CVSS 8.2 · High · EPSS 0.5% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • qemu

    Versions
    • All QEMU versions up to and including 6.0: Affected

    No fix published

  • qemu Debian:12

    Affected ranges
    • ECOSYSTEM: < 1:6.1+dfsg-1

    Update to 1:6.1+dfsg-1

  • qemu Debian:13

    Affected ranges
    • ECOSYSTEM: < 1:6.1+dfsg-1

    Update to 1:6.1+dfsg-1

  • qemu Debian:14

    Affected ranges
    • ECOSYSTEM: < 1:6.1+dfsg-1

    Update to 1:6.1+dfsg-1

  • qemu Ubuntu:20.04:LTS

    Versions
    • 1:4.0+dfsg-0ubuntu9
    • 1:4.0+dfsg-0ubuntu10
    • 1:4.2-1ubuntu1
    • 1:4.2-1ubuntu2
    • 1:4.2-3ubuntu1
    • 1:4.2-3ubuntu2
    • 1:4.2-3ubuntu3
    • 1:4.2-3ubuntu4
    • 1:4.2-3ubuntu5
    • 1:4.2-3ubuntu6
    • 1:4.2-3ubuntu6.1
    • 1:4.2-3ubuntu6.2
    • 1:4.2-3ubuntu6.3
    • 1:4.2-3ubuntu6.4
    • 1:4.2-3ubuntu6.5
    • 1:4.2-3ubuntu6.6
    • 1:4.2-3ubuntu6.7
    • 1:4.2-3ubuntu6.8
    • 1:4.2-3ubuntu6.9
    • 1:4.2-3ubuntu6.10
    • 1:4.2-3ubuntu6.11
    • 1:4.2-3ubuntu6.12
    • 1:4.2-3ubuntu6.14
    • 1:4.2-3ubuntu6.15
    • 1:4.2-3ubuntu6.16
    Affected ranges
    • ECOSYSTEM: < 1:4.2-3ubuntu6.17

    Update to 1:4.2-3ubuntu6.17

  • qemu Ubuntu:22.04:LTS

    Versions
    • 1:6.0+dfsg-2expubuntu1
    • 1:6.0+dfsg-2expubuntu2
    • 1:6.0+dfsg-2expubuntu4
    Affected ranges
    • ECOSYSTEM: < 1:6.2+dfsg-2ubuntu5

    Update to 1:6.2+dfsg-2ubuntu5

Original sources

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