[QSA-0406201] Linux kernel vulnerabilities

Qlustar Security Advisory 0406201

Apr 6th, 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 4.19.102. 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 4.19.102 up to the current Qlustar kernel 4.19.114:

    Linux kernel 4.19.114
    Linux kernel 4.19.113
    Linux kernel 4.19.112
    Linux kernel 4.19.111
    Linux kernel 4.19.110
    Linux kernel 4.19.109
    Linux kernel 4.19.108
    Linux kernel 4.19.107
    Linux kernel 4.19.106
    Linux kernel 4.19.105
    Linux kernel 4.19.104
    Linux kernel 4.19.103
   

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 4.14.170. 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 4.14.170 up to the current Qlustar kernel 4.14.175:

    Linux kernel 4.14.175
    Linux kernel 4.14.174
    Linux kernel 4.14.173
    Linux kernel 4.14.172
    Linux kernel 4.14.171
  

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                     4.19.114-ql-generic-11.0-15
    qlustar-module-core-bionic-amd64-11.0.0    11.0.0.8-b518f1287
    qlustar-module-core-centos7-amd64-11.0.0   11.0.0.8-b519f1289
  

For Qlustar 10.1

    linux-image-ql-generic                     4.14.175-ql-generic-10.1-26
    qlustar-module-core-xenial-amd64-10.1.1    10.1.1.12-b521f1292