Red Hat Security Advisory 2020-1567-01 - The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Issues addressed include denial of service, information leakage, integer overflow, null pointer, out of bounds read, and use-after-free vulnerabilities.
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Red Hat Security Advisory 2020-1769-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include denial of service, information leakage, integer overflow, null pointer, out of bounds read, and use-after-free vulnerabilities.
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Ubuntu Security Notice 4286-2 - USN-4286-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement kernel from Ubuntu 16.04 LTS for Ubuntu 14.04 ESM. It was discovered that the Linux kernel did not properly clear data structures on context switches for certain Intel graphics processors. A local attacker could use this to expose sensitive information. Various other issues were also addressed.
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Ubuntu Security Notice 4286-1 - It was discovered that the Linux kernel did not properly clear data structures on context switches for certain Intel graphics processors. A local attacker could use this to expose sensitive information. It was discovered that a race condition existed in the Softmac USB Prism54 device driver in the Linux kernel. A physically proximate attacker could use this to cause a denial of service. Various other issues were also addressed.
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Ubuntu Security Notice 4147-1 - It was discovered that the Intel Wi-Fi device driver in the Linux kernel did not properly validate certain Tunneled Direct Link Setup. A physically proximate attacker could use this to cause a denial of service. It was discovered that the Bluetooth UART implementation in the Linux kernel did not properly check for missing tty operations. A local attacker could use this to cause a denial of service. Various other issues were also addressed.
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Ubuntu Security Notice 4115-2 - USN 4115-1 fixed vulnerabilities in the Linux 4.15 kernel for Ubuntu 18.04 LTS and Ubuntu 16.04 LTS. Unfortunately, as part of the update, a regression was introduced that caused a kernel crash when handling fragmented packets in some situations. This update addresses the issue. Various other issues were also addressed.
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Ubuntu Security Notice 4115-1 - Hui Peng and Mathias Payer discovered that the Option USB High Speed driver in the Linux kernel did not properly validate metadata received from the device. A physically proximate attacker could use this to cause a denial of service. Zhipeng Xie discovered that an infinite loop could triggered in the CFS Linux kernel process scheduler. A local attacker could possibly use this to cause a denial of service. Various other issues were also addressed.
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