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Vulnerability of QEMU: assertion error via eth_get_gso_type

Synthesis of the vulnerability 

An attacker, inside a guest system, can force an assertion error via eth_get_gso_type() of QEMU, in order to trigger a denial of service on the host system.
Vulnerable systems: Debian, QEMU.
Severity of this threat: 1/4.
Creation date: 02/11/2020.
Références of this weakness: CVE-2020-27617, DLA-2469-1, VIGILANCE-VUL-33758.

Description of the vulnerability 

An attacker, inside a guest system, can force an assertion error via eth_get_gso_type() of QEMU, in order to trigger a denial of service on the host system.
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This threat announce impacts software or systems such as Debian, QEMU.

Our Vigil@nce team determined that the severity of this cybersecurity alert is low.

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 security alert.

Solutions for this threat 

QEMU: patch for eth_get_gso_type.
A patch is indicated in information sources.

Debian 9: new qemu packages.
New packages are available:
  Debian 9: qemu 1:2.8+dfsg-6+deb9u12
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