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[QSA-0527201] Linux kernel vulnerabilities

Qlustar Security Advisory 0527201

May 27th, 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 4.19.114. 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 4.19.114 up to the current Qlustar kernel 4.19.124:

    Linux kernel 4.19.124
    Linux kernel 4.19.123
    Linux kernel 4.19.122
    Linux kernel 4.19.121
    Linux kernel 4.19.120
    Linux kernel 4.19.119
    Linux kernel 4.19.118
    Linux kernel 4.19.117
    Linux kernel 4.19.116
    Linux kernel 4.19.115
   

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 4.14.175. 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 4.14.175 up to the current Qlustar kernel 4.14.181:

    Linux kernel 4.14.181
    Linux kernel 4.14.180
    Linux kernel 4.14.179
    Linux kernel 4.14.178
    Linux kernel 4.14.177
    Linux kernel 4.14.176
  

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                     4.19.124-ql-generic-11.0-16
    qlustar-module-core-bionic-amd64-11.0.1    11.0.1.0-b519f1296
    qlustar-module-core-centos7-amd64-11.0.1   11.0.1.0-b519f1296
    qlustar-module-core-centos8-amd64-11.0.1   11.0.1.0-b519f1296
  

For Qlustar 10.1

    linux-image-ql-generic                     4.14.181-ql-generic-10.1-27
    qlustar-module-core-xenial-amd64-10.1.1    10.1.1.13-b521f1295
  
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