CVE-2020-25723
- State
- Published
- Severity
- Not scored
- Published
- Dec 2, 2020
- Updated
- Aug 4, 2024
- Reserved
- Sep 16, 2020
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.
Scores
The record has no CVSS score.
Weaknesses
Affected Products
| Product | Versions |
|---|---|
QEMUn/a |
|
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1898579
- https://security.netapp.com/advisory/ntap-20201218-0004/
- [oss-security] 20201222 CVE-2020-25723 QEMU: assertion failure through usb_packet_unmap() in hw/usb/hcd-ehci.cmailing-list
- [debian-lts-announce] 20220905 [SECURITY] [DLA 3099-1] qemu security updatemailing-list
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