CVE-2021-28039

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Summary

CVECVE-2021-28039
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-03-05 18:15:00 UTC
Updated2022-07-12 17:42:00 UTC
DescriptionAn 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.

Risk And Classification

Problem Types: CWE-131

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All
Application Netapp Cloud Backup - All All All
Operating System Netapp Solidfire Baseboard Management Controller Firmware - All All All
Operating System Xen Xen - All All All
Operating System Xen Xen - All All All

References

ReferenceSourceLinkTags
oss-security - Xen Security Advisory 369 v2 (CVE-2021-28039) - Linux: special config may crash when trying to map foreign pages MLIST www.openwall.com Mailing List, Patch, Third Party Advisory
XSA-369 - Xen Security Advisories MISC xenbits.xen.org Patch, Vendor Advisory
March 2021 Linux Kernel 5.11.3 Vulnerabilities in NetApp Products | NetApp Product Security CONFIRM security.netapp.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 179460 Debian Security Update for linux (CVE-2021-28039)

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