[QSA-0118213]
NVIDIA graphics drivers vulnerabilities

Qlustar Security Advisory 0118213

January 18th, 2021

Summary:

NVIDIA graphics drivers vulnerabilities

    Package(s)       : qlustar-module-nvidia-bionic-amd64-11.0.1,
                       qlustar-module-nvidia-centos7-amd64-11.0.1,
                       qlustar-module-nvidia-centos8-amd64-11.0.1,
                       qlustar-module-nvidia-focal-amd64-12.0.0,
                       qlustar-module-nvidia-centos7-amd64-12.0.0,
                       qlustar-module-nvidia-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     : network
    Qlustar-specific : no
    CVE Id(s)        : CVE-2021-1052, CVE-2021-1053, CVE-2021-1056
  

Relevant to Qlustar 12.0 and 11.0

It was discovered that the NVIDIA GPU display driver for the Linux kernel contained a vulnerability that allowed user-mode clients to access legacy privileged APIs. A local attacker could use this to cause a denial of service or escalate privileges.

It was discovered that the NVIDIA GPU display driver for the Linux kernel did not properly validate a pointer received from userspace in some situations. A local attacker could use this to cause a denial of service.

Xinyuan Lyu discovered that the NVIDIA GPU display driver for the Linux kernel did not properly restrict device-level GPU isolation. A local attacker could use this to cause a denial of service or possibly expose sensitive information.

Update instructions:

The problem can be corrected by updating your system to the following or more recent package versions (follow the Qlustar Update Instructions):

For Qlustar 12.0

    qlustar-module-nvidia-focal-amd64-12.0.0     12.0.0.1-b528f1339
    qlustar-module-nvidia-centos7-amd64-12.0.0   12.0.0.1-b528f1339
    qlustar-module-nvidia-centos8-amd64-12.0.0   12.0.0.1-b528f1339
  

For Qlustar 11.0

    qlustar-module-nvidia-bionic-amd64-11.0.1    11.0.1.5-b527f1338
    qlustar-module-nvidia-centos7-amd64-11.0.1   11.0.1.5-b527f1340
    qlustar-module-nvidia-centos8-amd64-11.0.1   11.0.1.5-b527f1340