Unrated severityNVD Advisory· Published Mar 5, 2021· Updated Aug 3, 2024
CVE-2021-28039
CVE-2021-28039
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.
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Affected products
3- Linux/Linux kerneldescription
- Range: 5.9.x - 5.11.3
Patches
Vulnerability mechanics
References
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