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Vulnerability of Linux kernel: out-of-bounds memory reading via hclge_tm_schd_mode_vnet_base_cfg

Synthesis of the vulnerability 

An attacker can force a read at an invalid address via hclge_tm_schd_mode_vnet_base_cfg() of the Linux kernel, in order to trigger a denial of service, or to obtain sensitive information.
Impacted software: Tivoli Storage Manager, Linux, Ubuntu.
Severity of this computer vulnerability: 2/4.
Creation date: 13/09/2019.
Références of this announce: CERTFR-2019-AVI-482, CVE-2019-15925, USN-4147-1, VIGILANCE-VUL-30328.

Description of the vulnerability 

An attacker can force a read at an invalid address via hclge_tm_schd_mode_vnet_base_cfg() of the Linux kernel, in order to trigger a denial of service, or to obtain sensitive information.
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This cybersecurity note impacts software or systems such as Tivoli Storage Manager, Linux, 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 

Linux kernel: version 5.2.3.
The version 5.2.3 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v5.x/

Linux kernel: version 5.1.20.
The version 5.1.20 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v5.x/

Linux kernel: version 4.19.61.
The version 4.19.61 is fixed:
  https://cdn.kernel.org/pub/linux/kernel/v4.x/

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

IBM Spectrum Protect Plus: version 10.1.4.222.
The version 10.1.4.222 is fixed:
  http://www.ibm.com/support/docview.wss?uid=ibm10880861

Ubuntu: new linux-image-5.0.0 packages.
New packages are available:
  Ubuntu 19.04: linux-image-generic 5.0.0.31.32
  Ubuntu 18.04 LTS: linux-image-generic-hwe-18.04 5.0.0.31.88

Wind River Linux: version 10.18.44.11.
The version 10.18.44.11 is fixed:
  https://support2.windriver.com/
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