CVE-2020-25723

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.

References

Affected packages

Debian:11 / qemu

Package

Name: qemu
Purl: pkg:deb/debian/qemu?arch=source

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1:5.2+dfsg-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Debian:12 / qemu

Package

Name: qemu
Purl: pkg:deb/debian/qemu?arch=source

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1:5.2+dfsg-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Debian:13 / qemu

Package

Name: qemu
Purl: pkg:deb/debian/qemu?arch=source

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1:5.2+dfsg-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}