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Vulnerability of Linux kernel: NULL pointer dereference via drm_load_edid_firmware

Synthesis of the vulnerability 

An attacker can force a NULL pointer to be dereferenced via drm_load_edid_firmware() of the Linux kernel, in order to trigger a denial of service.
Vulnerable software: Fedora, Linux, openSUSE Leap, RHEL, SUSE Linux Enterprise Desktop, SLES.
Severity of this announce: 1/4.
Creation date: 28/05/2019.
Références of this computer vulnerability: CERTFR-2019-AVI-458, CERTFR-2020-AVI-180, CVE-2019-12382, FEDORA-2019-7ec378191e, FEDORA-2019-f40bd7826f, openSUSE-SU-2019:1570-1, openSUSE-SU-2019:1571-1, openSUSE-SU-2019:1579-1, RHSA-2020:1016-01, RHSA-2020:1070-01, SUSE-SU-2019:1527-1, SUSE-SU-2019:1529-1, SUSE-SU-2019:1530-1, SUSE-SU-2019:1532-1, SUSE-SU-2019:1534-1, SUSE-SU-2019:1535-1, SUSE-SU-2019:1536-1, SUSE-SU-2019:1550-1, SUSE-SU-2019:2430-1, VIGILANCE-VUL-29425.

Description of the vulnerability 

An attacker can force a NULL pointer to be dereferenced via drm_load_edid_firmware() of the Linux kernel, in order to trigger a denial of service.
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This computer weakness note impacts software or systems such as Fedora, Linux, openSUSE Leap, RHEL, SUSE Linux Enterprise Desktop, SLES.

Our Vigil@nce team determined that the severity of this security bulletin is low.

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

An attacker with a expert ability can exploit this weakness announce.

Solutions for this threat 

Linux kernel: version 5.2.5.
The version 5.2.5 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v5.x/

Linux kernel: version 4.19.63.
The version 4.19.63 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

Linux kernel: version 4.14.135.
The version 4.14.135 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

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

Fedora 29: new kernel-headers packages.
New packages are available:
  Fedora 29: kernel-headers 5.1.6-200.fc29

Fedora 29: new kernel packages.
New packages are available:
  Fedora 29: kernel 5.1.6-200.fc29

Fedora 29: new kernel-tools packages.
New packages are available:
  Fedora 29: kernel-tools 5.1.6-200.fc29

Fedora 30: new kernel-headers packages.
New packages are available:
  Fedora 30: kernel-headers 5.1.7-300.fc30

Fedora 30: new kernel packages.
New packages are available:
  Fedora 30: kernel 5.1.7-300.fc30

openSUSE Leap 15.0: new kernel packages.
New packages are available:
  openSUSE Leap 15.0: kernel 4.12.14-lp150.12.64.1

openSUSE Leap 15.1: new kernel packages.
New packages are available:
  openSUSE Leap 15.1: kernel 4.12.14-lp151.28.7.1

openSUSE Leap 42.3: new kernel packages.
New packages are available:
  openSUSE Leap 42.3: kernel 4.4.180-102.1

RHEL 7: new kernel packages (01/04/2020).
New packages are available:
  RHEL 7.0-7.7: kernel 3.10.0-1127.el7

RHEL 7: new kernel-rt packages (01/04/2020).
New packages are available:
  RHEL 7.0-7.7: kernel-rt 3.10.0-1127.rt56.1093.el7

SUSE LE 12 SP2: new kernel packages.
New packages are available:
  SUSE LE 12 SP2: kernel 4.4.121-92.114.1

SUSE LE 12 SP3: new kernel packages.
New packages are available:
  SUSE LE 12 SP3: kernel 4.4.180-94.97.1

SUSE LE 12 SP4: new kernel packages (18/06/2019).
New packages are available:
  SUSE LE 12 SP4: kernel 4.12.14-95.19.1

SUSE LE 15: new kernel packages.
New packages are available:
  SUSE LE 15 RTM: kernel 4.12.14-150.22.1

SUSE LE 15 SP1: new kernel packages.
New packages are available:
  SUSE LE 15 SP1: kernel 4.12.14-197.4.1

SUSE LE 15 SP1: new kernel-source-rt packages.
New packages are available:
  SUSE LE 15 SP1: kernel-source-rt 4.12.14-14.8.1
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