October 9th, 2020
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 4.19.140. 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 4.19.140 up to the current Qlustar kernel 4.19.150:
Linux kernel 4.19.150 Linux kernel 4.19.149 Linux kernel 4.19.148 Linux kernel 4.19.147 Linux kernel 4.19.146 Linux kernel 4.19.145 Linux kernel 4.19.144 Linux kernel 4.19.143 Linux kernel 4.19.142 Linux kernel 4.19.141
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 4.14.193. 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 4.14.193 up to the current Qlustar kernel 4.14.200:
Linux kernel 4.14.200 Linux kernel 4.14.199 Linux kernel 4.14.198 Linux kernel 4.14.197 Linux kernel 4.14.196 Linux kernel 4.14.195 Linux kernel 4.14.194
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):
linux-image-ql-generic 4.19.150-ql-generic-11.0-19 qlustar-module-core-bionic-amd64-11.0.1 11.0.1.3-b522f1314 qlustar-module-core-centos7-amd64-11.0.1 11.0.1.3-b522f1314
linux-image-ql-generic 4.14.200-ql-generic-10.1-30 qlustar-module-core-xenial-amd64-10.1.1 10.1.1.16-b521f1313