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CVE-2021-1056

Status Candidate

Overview

NVIDIA GPU Display Driver for Linux, all versions, contains a vulnerability in the kernel mode layer (nvidia.ko) in which it does not completely honor operating system file system permissions to provide GPU device-level isolation, which may lead to denial of service or information disclosure.

Related Files

Ubuntu Security Notice USN-4689-4
Posted Jan 21, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4689-4 - USN-4689-3 fixed vulnerabilities in the NVIDIA server graphics drivers. This update provides the corresponding updates for the NVIDIA Linux DKMS kernel modules. 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. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local, vulnerability
systems | linux, ubuntu
advisories | CVE-2021-1052, CVE-2021-1053, CVE-2021-1056
MD5 | 67b7fedb3c56827c3051283598dae0b9
Ubuntu Security Notice USN-4689-3
Posted Jan 20, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4689-3 - 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. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2021-1052, CVE-2021-1053, CVE-2021-1056
MD5 | 770df623c2eb7e3a6a906c87fae96947
Ubuntu Security Notice USN-4689-2
Posted Jan 12, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4689-2 - USN-4689-1 fixed vulnerabilities in the NVIDIA graphics drivers. This update provides the corresponding updates for the NVIDIA Linux DKMS kernel modules. 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. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local, vulnerability
systems | linux, ubuntu
advisories | CVE-2021-1052, CVE-2021-1053, CVE-2021-1056
MD5 | 5400659ba37710eaa6b249f1d24c9de7
Ubuntu Security Notice USN-4689-1
Posted Jan 12, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4689-1 - 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. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2021-1052, CVE-2021-1053, CVE-2021-1056
MD5 | 981d1a54d362e0eb1a220d6c10591e46
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