Not rated
CVE-2020-25723 A reachable assertion issue was found in the USB EHCI emulation code of 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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| QEMU | Versions not published |
References
- bugzilla.redhat.com bugzilla.redhat.com
- security.netapp.com security.netapp.com
- [oss-security] 20201222 CVE-2020-25723 QEMU: assertion failure through usb_packet_unmap() in hw/usb/hcd-ehci.c www.openwall.com
- [debian-lts-announce] 20220905 [SECURITY] [DLA 3099-1] qemu security update lists.debian.org
Timeline
- Published
- Last modified
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