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CVE

CWE

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CVE-2020-25723

Published: Dec 2, 2020

Modified: Aug 4, 2024

PUBLISHED

Description

A reachable assertion issue was found in the USB EHCI emulation code of QEMU. It could occur while processing USB requests due to missing handling of DMA memory map failure. A malicious privileged user within the guest may abuse this flaw to send bogus USB requests and crash the QEMU process on the host, resulting in a denial of service.

Vendor	Product	Versions
n/a	QEMU	affected `qemu 5.2.0`

Weaknesses (CWE)

References

https://bugzilla.redhat.com/show_bug.cgi?id=1898579

x_refsource_MISC

https://security.netapp.com/advisory/ntap-20201218-0004/

x_refsource_CONFIRM

[oss-security] 20201222 CVE-2020-25723 QEMU: assertion failure through usb_packet_unmap() in hw/usb/hcd-ehci.c

mailing-list

x_refsource_MLIST

[debian-lts-announce] 20220905 [SECURITY] [DLA 3099-1] qemu security update

mailing-list

x_refsource_MLIST

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