[월:] 2019년 10월

USN-4157-2: Linux kernel (HWE) vulnerabilities linux-hwe, linux-azure, linux-gcp, linux-gke-5.0 vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 18.04 LTS Summary Several security issues were fixed in the Linux kernel. Software Description linux-azure – Linux kernel for Microsoft Azure Cloud systems linux-gcp – Linux kernel for Google Cloud Platform (GCP) systems linux-gke-5.0 – Linux kernel for Google Container Engine (GKE) systems linux-hwe – Linux hardware enablement (HWE) kernel Details USN-4157-1 fixed vulnerabilities in the Linux kernel for Ubuntu 19.04. This update provides the corresponding updates for the Linux Hardware Enablement (HWE) kernel from Ubuntu 19.04 for Ubuntu 18.04 LTS. Wen Huang discovered that the Marvell Wi-Fi device driver in the Linux kernel did not properly perform bounds checking, leading to a heap overflow. A local attacker could use this to cause a denial of service (system [ more… ]

USN-4161-1: Linux kernel vulnerability linux, linux-aws, linux-azure, linux-gcp, linux-kvm, linux-raspi2 vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 19.10 Summary The system could be made to crash under certain conditions. Software Description linux – Linux kernel linux-aws – Linux kernel for Amazon Web Services (AWS) systems linux-azure – Linux kernel for Microsoft Azure Cloud systems linux-gcp – Linux kernel for Google Cloud Platform (GCP) systems linux-kvm – Linux kernel for cloud environments linux-raspi2 – Linux kernel for Raspberry Pi 2 Details It was discovered that the IPv6 routing implementation in the Linux kernel contained a reference counting error leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. Update instructions The problem can be corrected by updating your system to the [ more… ]