Red Hat Security Advisory 2020-1070-01 - The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Issues addressed include bypass, denial of service, information leakage, integer overflow, and use-after-free vulnerabilities.
6b93e72a941e31a33bc0ed2eb41a6d09d612a0c8a7df6721b2b19e60e9d46f8cRed Hat Security Advisory 2020-1016-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include bypass, denial of service, information leakage, and use-after-free vulnerabilities.
5270d5021355b80a03bef2fa11d11ec5b8ab02fe18ec0a66da959c57bee345f6Ubuntu Security Notice 4008-3 - USN-4008-1 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. Robert Swiecki discovered that the Linux kernel did not properly apply Address Space Layout Randomization in some situations for setuid elf binaries. A local attacker could use this to improve the chances of exploiting an existing vulnerability in a setuid elf binary. Various other issues were also addressed.
aa4cc845dcf7f973e16414a993cbab9ad894d59053308b8791cfaee4cab3ec45Ubuntu Security Notice 4008-2 - USN-4008-1 fixed multiple security issues in the Linux kernel. This update provides the corresponding changes to AppArmor policy for correctly operating under the Linux kernel with fixes for CVE-2019-11190. Without these changes, some profile transitions may be unintentionally denied due to missing mmap rules. Various other issues were also addressed.
c97fb2344b40e7ddc46912f7c9dc4ea6b5dd01aeebc0a6341cad61542a0225e0Ubuntu Security Notice 4008-1 - Robert Swiecki discovered that the Linux kernel did not properly apply Address Space Layout Randomization in some situations for setuid elf binaries. A local attacker could use this to improve the chances of exploiting an existing vulnerability in a setuid elf binary. It was discovered that a null pointer dereference vulnerability existed in the LSI Logic MegaRAID driver in the Linux kernel. A local attacker could use this to cause a denial of service. Various other issues were also addressed.
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