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[QSA-0715201] Linux kernel vulnerabilities

Qlustar Security Advisory 0715201

July 15th, 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-amd64-11.0.1,
                       qlustar-module-core-centos7-amd64-11.0.1,
                       qlustar-module-core-centos8-amd64-11.0.1
    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 4.19.124. 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 4.19.124 up to the current Qlustar kernel 4.19.132:

    Linux kernel 4.19.132
    Linux kernel 4.19.131
    Linux kernel 4.19.130
    Linux kernel 4.19.129
    Linux kernel 4.19.128
    Linux kernel 4.19.127
    Linux kernel 4.19.126
    Linux kernel 4.19.125
   

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 4.14.181. 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 4.14.181 up to the current Qlustar kernel 4.14.188:

    Linux kernel 4.14.188
    Linux kernel 4.14.187
    Linux kernel 4.14.186
    Linux kernel 4.14.185
    Linux kernel 4.14.184
    Linux kernel 4.14.183
    Linux kernel 4.14.182
  

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 steps '7. Migration to GRUB PXE booting' and '11. 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                     4.19.132-ql-generic-11.0-17
    qlustar-module-core-bionic-amd64-11.0.1    11.0.1.1-b519f1302
    qlustar-module-core-centos7-amd64-11.0.1   11.0.1.1-b519f1302
    qlustar-module-core-centos8-amd64-11.0.1   11.0.1.1-b519f1302
  

For Qlustar 10.1

    linux-image-ql-generic                     4.14.188-ql-generic-10.1-28
    qlustar-module-core-xenial-amd64-10.1.1    10.1.1.14-b521f1301
  
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