[QSA-0118211] Linux kernel vulnerabilities
Qlustar Security Advisory 0118211
January 18th, 2021
Summary:
The system could crash or be made to run programs as an administrator.
Package(s) : linux-image-ql-generic, 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-module-core-focal-amd64-12.0.0, qlustar-module-core-centos7-amd64-12.0.0, qlustar-module-core-centos8-amd64-12.0.0 Qlustar releases : 11.0, 12.0 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 5.4.x Linux kernel series since the last Qlustar 12.0 release based on 5.4.86. 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 5.4.86 up to the current Qlustar kernel 5.4.89:
Linux kernel 5.4.89 Linux kernel 5.4.88 Linux kernel 5.4.87
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 4.19.160. 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 4.19.160 up to the current Qlustar kernel 4.19.167:
Linux kernel 4.19.167 Linux kernel 4.19.166 Linux kernel 4.19.165 Linux kernel 4.19.164 Linux kernel 4.19.163 Linux kernel 4.19.162 Linux kernel 4.19.161
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 12.0
linux-image-ql-generic 5.4.89-ql-generic-12.0-6 qlustar-module-core-focal-amd64-12.0.0 12.0.0.1-b528f1339 qlustar-module-core-centos7-amd64-12.0.0 12.0.0.1-b528f1339 qlustar-module-core-centos8-amd64-12.0.0 12.0.0.1-b528f1339
For Qlustar 11.0
linux-image-ql-generic 4.19.167-ql-generic-11.0-21 qlustar-module-core-bionic-amd64-11.0.1 11.0.1.5-b527f1338 qlustar-module-core-centos7-amd64-11.0.1 11.0.1.5-b527f1340 qlustar-module-core-centos8-amd64-11.0.1 11.0.1.5-b527f1340