CVE-2020-25723
Low
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.
SeverityLow
CVSS3.2
Exploit probability—
Product
Qemu
PublishedDec 2, 2020
First seenDec 2, 2020
Weakness typeCWE-617CWE-617
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| qemu qemu | v ≤ 5.1.1 | — |
| debian debian_linux | 10.0 | — |
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