CyberRota Analysis
This is a medium severity vulnerability with a CVSS score of 6.5. It affects Linux.
CVE
CVE-2021-28039
Severity
MEDIUM
CVSS
6.5
EPSS
0.42%
Linux
Original NVD Description
An issue was discovered in the Linux kernel 5.9.x through 5.11.3, as used with Xen. In some less-common configurations, an x86 PV guest OS user can crash a Dom0 or driver domain via a large amount of I/O activity. The issue relates to misuse of guest physical addresses when a configuration has CONFIG_XEN_UNPOPULATED_ALLOC but not CONFIG_XEN_BALLOON_MEMORY_HOTPLUG.
Related CVEs
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