The Vigil@nce team watches public vulnerabilities impacting your computers, and then offers security solutions, a vigilance database and tools to fix them.

Vulnerability of Linux kernel: denial of service via gianfar.c

Synthesis of the vulnerability 

An attacker can trigger a fatal error via gianfar.c of the Linux kernel, in order to trigger a denial of service.
Vulnerable systems: Linux, openSUSE Leap, SUSE Linux Enterprise Desktop, SLES.
Severity of this threat: 1/4.
Creation date: 29/03/2021.
Références of this weakness: CERTFR-2021-AVI-264, CVE-2021-29264, openSUSE-SU-2021:0532-1, SUSE-SU-2021:1175-1, SUSE-SU-2021:1176-1, SUSE-SU-2021:1177-1, SUSE-SU-2021:1210-1, SUSE-SU-2021:1211-1, SUSE-SU-2021:1238-1, VIGILANCE-VUL-34958.

Description of the vulnerability 

An attacker can trigger a fatal error via gianfar.c of the Linux kernel, in order to trigger a denial of service.
Full bulletin, software filtering, emails, fixes, ... (Request your free trial)

This cybersecurity threat impacts software or systems such as Linux, openSUSE Leap, SUSE Linux Enterprise Desktop, SLES.

Our Vigil@nce team determined that the severity of this computer threat note 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 threat.

Solutions for this threat 

Linux kernel: version 5.11.11.
The version 5.11.11 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v5.x/

Linux kernel: version 5.10.27.
The version 5.10.27 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v5.x/

Linux kernel: version 5.4.109.
The version 5.4.109 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v5.x/

Linux kernel: version 4.19.184.
The version 4.19.184 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: patch for gianfar.c.
A patch is indicated in information sources.

openSUSE Leap 15.2: new kernel packages.
New packages are available:
  openSUSE Leap 15.2: kernel 5.3.18-lp152.69.1

SUSE LE 12 SP5: new kernel-azure packages.
New packages are available:
  SUSE LE 12 SP5: kernel-azure 4.12.14-16.50.1

SUSE LE 12 SP5: new kernel packages.
New packages are available:
  SUSE LE 12 SP5: kernel 4.12.14-122.66.2

SUSE LE 12 SP5: new kernel-rt packages.
New packages are available:
  SUSE LE 12 SP5: kernel-rt 4.12.14-10.37.1

SUSE LE 15 SP2: new kernel-azure packages.
New packages are available:
  SUSE LE 15 SP2: kernel-azure 5.3.18-18.41.1

SUSE LE 15 SP2: new kernel packages.
New packages are available:
  SUSE LE 15 SP2: kernel 5.3.18-24.61.1

SUSE LE 15 SP2: new kernel-rt packages.
New packages are available:
  SUSE LE 15 SP2: kernel-rt 5.3.18-33.1
Full bulletin, software filtering, emails, fixes, ... (Request your free trial)

Computer vulnerabilities tracking service 

Vigil@nce provides a cybersecurity workaround. The technology watch team tracks security threats targeting the computer system.