Ubuntu Security Notice 4404-2 - USN-4404-1 fixed vulnerabilities in the NVIDIA graphics drivers. This update provides the corresponding updates for the NVIDIA Linux DKMS kernel modules. Thomas E. Carroll discovered that the NVIDIA Cuda graphics driver did not properly perform access control when performing IPC. An attacker could use this to cause a denial of service or possibly execute arbitrary code. Various other issues were also addressed.
bdd8d190651c895026843c3791261be2715e80d62047c893bb820713ccf006d7