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CVE-2021-4158

CVE-2021-4158

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

A NULL pointer dereference issue was found in the ACPI code of QEMU. A malicious, privileged user within the guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition.

CVSS 6.0 · Medium · EPSS 0.4% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • qemu

    Versions
    • Affects v6.0.0 and above.: Affected

    No fix published

  • qemu Debian:12

    Affected ranges
    • ECOSYSTEM: < 1:6.2+dfsg-2

    Update to 1:6.2+dfsg-2

  • qemu Debian:13

    Affected ranges
    • ECOSYSTEM: < 1:6.2+dfsg-2

    Update to 1:6.2+dfsg-2

  • qemu Debian:14

    Affected ranges
    • ECOSYSTEM: < 1:6.2+dfsg-2

    Update to 1:6.2+dfsg-2

  • 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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