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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.0097 USN-4689-1: NVIDIA graphics drivers vulnerabilities 12 January 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: NVIDIA graphics drivers Publisher: Ubuntu Operating System: Ubuntu Linux variants Impact/Access: Increased Privileges -- Existing Account Denial of Service -- Existing Account Access Confidential Data -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2021-1056 CVE-2021-1053 CVE-2021-1052 Original Bulletin: https://ubuntu.com/security/notices/USN-4689-1 Comment: This advisory references vulnerabilities in products which run on platforms other than Ubuntu. It is recommended that administrators running NVIDIA graphics drivers check for an updated version of the software for their operating system. - --------------------------BEGIN INCLUDED TEXT-------------------- USN-4689-1: NVIDIA graphics drivers vulnerabilities 11 January 2021 Several security issues were fixed in NVIDIA graphics drivers. Releases o Ubuntu 20.10 o Ubuntu 20.04 LTS o Ubuntu 18.04 LTS Packages o nvidia-graphics-drivers-390 - NVIDIA binary X.Org driver o nvidia-graphics-drivers-450 - NVIDIA binary X.Org driver o nvidia-graphics-drivers-460 - NVIDIA binary X.Org driver Details 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. (CVE-2021-1052) 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. (CVE-2021-1053) 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. (CVE-2021-1056) Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 20.10 o xserver-xorg-video-nvidia-390 - 390.141-0ubuntu0.20.10.1 o xserver-xorg-video-nvidia-440 - 450.102.04-0ubuntu0.20.10.1 o xserver-xorg-video-nvidia-450 - 450.102.04-0ubuntu0.20.10.1 o xserver-xorg-video-nvidia-455 - 460.32.03-0ubuntu0.20.10.1 o xserver-xorg-video-nvidia-460 - 460.32.03-0ubuntu0.20.10.1 Ubuntu 20.04 o xserver-xorg-video-nvidia-390 - 390.141-0ubuntu0.20.04.1 o xserver-xorg-video-nvidia-440 - 450.102.04-0ubuntu0.20.04.1 o xserver-xorg-video-nvidia-450 - 450.102.04-0ubuntu0.20.04.1 o xserver-xorg-video-nvidia-455 - 460.32.03-0ubuntu0.20.04.1 o xserver-xorg-video-nvidia-460 - 460.32.03-0ubuntu0.20.04.1 Ubuntu 18.04 o xserver-xorg-video-nvidia-390 - 390.141-0ubuntu0.18.04.1 o xserver-xorg-video-nvidia-440 - 450.102.04-0ubuntu0.18.04.1 o xserver-xorg-video-nvidia-450 - 450.102.04-0ubuntu0.18.04.1 o xserver-xorg-video-nvidia-455 - 460.32.03-0ubuntu0.18.04.1 o xserver-xorg-video-nvidia-460 - 460.32.03-0ubuntu0.18.04.1 This update uses a new upstream release, which includes additional bug fixes. After a standard system update you need to reboot your computer to make all the necessary changes. References o CVE-2021-1052 o CVE-2021-1053 o CVE-2021-1056 - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. 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On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBX/z6ruNLKJtyKPYoAQhz4g/+LDYeExTq0iq0NXNz+bsrbHKjtEd/+UTs WwAmaLEpJmmuEoGVtgZe4IdQUu/dsIq/V/RlnUdCuolC5Uorc4EnQpvdekiyIkh6 7UkM6lwfAT2Qeo8kakm6DujSWdNyanhtiUvMLA5ofE1DYzpw0apPXfw8jOqWXC7s /Cz8uq4SrTZtJh6ZaENaLqTna2oK19L3G6Q+PpeQkRXlNez/5efBoOclTvGv3327 8c8qcZcY6+L4puiDprZaezcdBLw3T5vMfCvyyrtzW6buBn0mTv2sKIxva4mS/YQU bBhRCCCJo3o3LmjZzRcuX4DYUEH0rfb17NcK1ohfRJK9sidaeI5GXxUF8noHEyJz GGt7gWeJsHuMCRmerhZWqbUI4EzRs+Eb+6upaiMGUgloezehfJDs1nm3woWUJop4 ayJCLdoSuPHIGgaq2zpN5qIm/dDrJffPlyiOwa6SfgKkPUbE0e32gyKo4BFMkTjj yDOD8JOzM2rYNo4bwEEJMtsWq5kN6lLRvdmk6mvgyNn67poH5B2gsN9ujbBl+PVF iBg51a/1YgpIOGCHH20VxrIJyBzowzF4X2j+7bVNTAJYf9D2mncAq9zMqgeas+Pr quRHV7dn6HnOn+OzEibKW3CACzuJZFmu4lLE7pwz6YLiI6vX8rwc0qebNVna0aEe Jb4tYmlDr58= =P++n -----END PGP SIGNATURE-----