Red Hat Security Advisory 2020-2104-01 - The kernel-alt packages provide the Linux kernel version 4.x. Issues addressed include denial of service, double free, null pointer, out of bounds read, out of bounds write, and use-after-free vulnerabilities.
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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 4144-1 - It was discovered that the XFS file system in the Linux kernel did not properly handle mount failures in some situations. A local attacker could possibly use this to cause a denial of service or execute arbitrary code. Benjamin Moody discovered that the XFS file system in the Linux kernel did not properly handle an error condition when out of disk quota. A local attacker could possibly use this to cause a denial of service. Various other issues were also addressed.
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