[QSA-0109201]
Linux kernel vulnerabilities

Qlustar Security Advisory 0109201

Jan 9th, 2020

Summary:

The system could crash or be made to run programs as an administrator.

    Package(s)       : linux-image-ql-generic,
                       qlustar-module-core-xenial-amd64-10.1.1,
                       qlustar-module-core-bionic-amd64-11.0.0,
                       qlustar-module-core-centos7-amd64-11.0.0
    Qlustar releases : 10.1, 11.0
    Affected versions: All versions prior to this update
    Vulnerability    : privilege escalation/denial of service
    Problem type     : local
    Qlustar-specific : no
    CVE Id(s)        : Not documented
  

A number of vulnerabilities and bugs have been discovered in the 4.19.x Linux kernel series since the last Qlustar 11.0 release based on 4.19.86. They may lead to a denial of service or privilege escalation. Please check the following web pages that contain details of the fixes in each release after 4.19.86 up to the current Qlustar kernel 4.19.93:

    Linux kernel 4.19.93
    Linux kernel 4.19.92
    Linux kernel 4.19.91
    Linux kernel 4.19.90
    Linux kernel 4.19.89
    Linux kernel 4.19.88
    Linux kernel 4.19.87
   

A number of vulnerabilities and bugs have been discovered in the 4.14.x Linux kernel series since the last Qlustar 10.1 release based on 4.14.156. They may lead to a denial of service or privilege escalation. Please check the following web pages that contain details of the fixes in each release after 4.14.156 up to the current Qlustar kernel 4.14.162:

    Linux kernel 4.14.162
    Linux kernel 4.14.161
    Linux kernel 4.14.160
    Linux kernel 4.14.159
    Linux kernel 4.14.158
    Linux kernel 4.14.157
  

Update instructions:

The problem can be corrected by updating your system to the following or more recent package versions (follow the Qlustar Update Instructions and on Qlustar 11 also perform the manual step '10. Adjust root bash shell initialization' as described in the Release Notes if you haven't done so yet):

For Qlustar 11.0

    linux-image-ql-generic                     4.19.93-ql-generic-11.0-13
    qlustar-module-core-bionic-amd64-11.0.0    11.0.0.6-b515f1278
    qlustar-module-core-centos7-amd64-11.0.0   11.0.0.6-b515f1278
  

For Qlustar 10.1

    linux-image-ql-generic                     4.14.162-ql-generic-10.1-24
    qlustar-module-core-xenial-amd64-10.1.1    10.1.1.10-b509f1277