low3.2
CVE-2020-25723
A reachable assertion issue was found in the USB EHCI emulation code of QEMU.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Qemu | Qemu | through 5.1.1 |
| Debian | Debian Linux | Version 10.0 |
Weakness classification
References
- NVD record
- CVE.org record
- http://www.openwall.com/lists/oss-security/2020/12/22/1
- https://bugzilla.redhat.com/show_bug.cgi?id=1898579
- https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html
- https://security.netapp.com/advisory/ntap-20201218-0004/
- http://www.openwall.com/lists/oss-security/2020/12/22/1
- https://bugzilla.redhat.com/show_bug.cgi?id=1898579
- https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html
- https://security.netapp.com/advisory/ntap-20201218-0004/