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Vulnerability of QEMU: memory corruption via USB Emulator

Synthesis of the vulnerability 

An attacker, inside a guest system, can trigger a memory corruption via USB Emulator of QEMU, in order to trigger a denial of service, and possibly to run code on the host system.
Impacted products: XenServer, Debian, Fedora, QEMU, SUSE Linux Enterprise Desktop, SLES, Ubuntu, Xen.
Severity of this bulletin: 2/4.
Creation date: 24/08/2020.
Références of this threat: CERTFR-2020-AVI-525, CERTFR-2020-AVI-526, CTX280451, CVE-2020-14364, DLA-2373-1, DSA-4760-1, FEDORA-2020-3689b67b53, FEDORA-2020-eeb29955ed, SUSE-SU-2020:2743-1, USN-4511-1, VIGILANCE-VUL-33141, XSA-335.

Description of the vulnerability 

An attacker, inside a guest system, can trigger a memory corruption via USB Emul...
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This threat note impacts software or systems such as XenServer, Debian, Fedora, QEMU, SUSE Linux Enterprise Desktop, SLES, Ubuntu, Xen.

Our Vigil@nce team determined that the severity of this cybersecurity note is medium.

The trust level is of type confirmed by the editor, with an origin of user shell.

An attacker with a expert ability can exploit this vulnerability note.

Solutions for this threat 

Patches for this vulnerability are not yet public.
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