Vulnerability of QEMU: denial of service via the es1370 device driver

Synthesis of the vulnerability

An attacker can trigger a fatal error via es1370 of QEMU, in order to trigger a denial of service.

Vulnerable products: Debian, openSUSE Leap, QEMU, SUSE Linux Enterprise Desktop, SLES, Ubuntu.

Severity of this weakness: 2/4.

Creation date: 28/05/2020.

Références of this bulletin: CVE-2020-13361, DLA-2262-1, DLA-2288-1, DSA-4728-1, openSUSE-SU-2020:1108-1, SUSE-SU-2020:2015-1, SUSE-SU-2020:2743-1, USN-4467-1, USN-4467-2, USN-4467-3, VIGILANCE-VUL-32352.

Description of the vulnerability

An attacker can trigger a fatal error via es1370 of QEMU, in order to trigger a denial of service.
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This cybersecurity note impacts software or systems such as Debian, openSUSE Leap, QEMU, SUSE Linux Enterprise Desktop, SLES, Ubuntu.

Our Vigil@nce team determined that the severity of this computer weakness announce 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 cybersecurity vulnerability.

Solutions for this threat

QEMU: patch for es1370.
A patch is indicated in information sources.

Debian 10: new qemu packages.
New packages are available:
Debian 10: qemu 1:3.1+dfsg-8+deb10u6

Debian 8: new qemu packages.
New packages are available:
Debian 8: qemu 1:2.1+dfsg-12+deb8u15

Debian 9: new qemu packages.
New packages are available:
Debian 9: qemu 1:2.8+dfsg-6+deb9u10

openSUSE Leap 15.2: new qemu packages.
New packages are available:
openSUSE Leap 15.2: qemu 4.2.1-lp152.9.3.1

SUSE LE 12 SP5: new qemu packages.
New packages are available:
SUSE LE 12 SP5: qemu 3.1.1.1-45.1

SUSE LE 15 SP2: new qemu packages.
New packages are available:
SUSE LE 15 SP2: qemu 4.2.1-11.4.4

Ubuntu 14.04: new qemu packages.
New packages are available:
Ubuntu 14.04 ESM: qemu 2.0.0+dfsg-2ubuntu1.47+esm1

Ubuntu: new qemu packages.
New packages are available:
  Ubuntu 20.10: qemu 1:5.0-5ubuntu9.6
  Ubuntu 20.04 LTS: qemu 1:4.2-3ubuntu6.14
  Ubuntu 18.04 LTS: qemu 1:2.11+dfsg-1ubuntu7.36
  Ubuntu 16.04 LTS: qemu 1:2.5+dfsg-5ubuntu10.51
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