Headline
CVE-2020-27673: 332 - Xen Security Advisories
An issue was discovered in the Linux kernel through 5.9.1, as used with Xen through 4.14.x. Guest OS users can cause a denial of service (host OS hang) via a high rate of events to dom0, aka CID-e99502f76271.
Title Rogue guests can cause DoS of Dom0 via high frequency events
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CVE-2020-25668: [SECURITY] [DLA 2494-1] linux security update
A flaw was found in Linux Kernel because access to the global variable fg_console is not properly synchronized leading to a use after free in con_font_op.