CVE-2020-25723 | BDVDB-2026-145338 Detail

QEMU

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.

Impact#

No impact statement in the source data.

Weaknesses#

CWE-617

References#

https://bugzilla.redhat.com/show_bug.cgi?id=1898579
https://security.netapp.com/advisory/ntap-20201218-0004/
http://www.openwall.com/lists/oss-security/2020/12/22/1
https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html

Exploit#

No public exploit known

History#

Version 12020-12-02Record published in the CVE List.
Version 22024-08-04Most recent update recorded in the CVE List.