CVE-2023-0664

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-03-29 · updated 2026-06-17
Weakness: CWE-250

Description

A flaw was found in the QEMU Guest Agent service for Windows. A local unprivileged user may be able to manipulate the QEMU Guest Agent's Windows installer via repair custom actions to elevate their privileges on the system.

Affected products

Fedoraproject Fedora: 37
QEMU: before 8.0.0 — fixed in 8.0.0
Red Hat Enterprise Linux: 7.0, 8.0, 9.0

How to fix

Upgrade to a fixed version: QEMU 8.0.0. Check the vendor advisory for mitigations.

References

https://bugzilla.redhat.com/show_bug.cgi?id=2167423
https://gitlab.com/qemu-project/qemu/-/commit/07ce178a2b0768eb9e712bb5ad0cf6dc7fcf0158
https://gitlab.com/qemu-project/qemu/-/commit/88288c2a51faa7c795f053fc8b31b1c16ff804c5
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MURWGXDIF2WTDXV36T6HFJDBL632AO7R/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SEOC7SRJWLZSXCND2ADFW6C76ZMTZLE4/
https://lists.nongnu.org/archive/html/qemu-devel/2023-03/msg01445.html
https://security.netapp.com/advisory/ntap-20230517-0005/
https://bugzilla.redhat.com/show_bug.cgi?id=2167423
https://gitlab.com/qemu-project/qemu/-/commit/07ce178a2b0768eb9e712bb5ad0cf6dc7fcf0158
https://gitlab.com/qemu-project/qemu/-/commit/88288c2a51faa7c795f053fc8b31b1c16ff804c5
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MURWGXDIF2WTDXV36T6HFJDBL632AO7R/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SEOC7SRJWLZSXCND2ADFW6C76ZMTZLE4/

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