[QSA-1129191]
Linux kernel vulnerabilities

Qlustar Security Advisory 1129191

Nov 29th, 2019

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 4.19.80. 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 4.19.80 up to the current Qlustar kernel 4.19.86:

    Linux kernel 4.19.86
    Linux kernel 4.19.85
    Linux kernel 4.19.84
    Linux kernel 4.19.83
    Linux kernel 4.19.82
    Linux kernel 4.19.81
   

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 4.14.150. 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 4.14.150 up to the current Qlustar kernel 4.14.156:

    Linux kernel 4.14.156
    Linux kernel 4.14.155
    Linux kernel 4.14.154
    Linux kernel 4.14.153
    Linux kernel 4.14.152
    Linux kernel 4.14.151
  

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 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                     4.19.86-ql-generic-11.0-12
    qlustar-module-core-bionic-amd64-11.0.0    11.0.0.5-b515f1276
    qlustar-module-core-centos7-amd64-11.0.0   11.0.0.5-b515f1274
  

For Qlustar 10.1

    linux-image-ql-generic                     4.14.156-ql-generic-10.1-23
    qlustar-module-core-xenial-amd64-10.1.1    10.1.1.9-b509f1273