CVE - CVE-2021-28039

CVE-ID
CVE-2021-28039	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
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.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
CONFIRM:https://security.netapp.com/advisory/ntap-20210409-0001/ MISC:http://xenbits.xen.org/xsa/advisory-369.html MISC:https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=882213990d32fd224340a4533f6318dd152be4b2 MLIST:[oss-security] 20210305 Xen Security Advisory 369 v2 (CVE-2021-28039) - Linux: special config may crash when trying to map foreign pages URL:http://www.openwall.com/lists/oss-security/2021/03/05/2
Assigning CNA
MITRE Corporation
Date Record Created
20210305	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20210305)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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