The __switch_to function in arch/x86/kernel/process_64.c in the Linux kernel does not properly context-switch IOPL on 64-bit PV Xen guests, which allows local guest OS users to gain privileges, cause a denial of service (guest OS crash), or obtain sensitive information by leveraging I/O port access.
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History
No history.

Status: PUBLISHED
Assigner: mitre
Published:
Updated: 2024-08-05T23:47:57.945Z
Reserved: 2016-03-15T00:00:00
Link: CVE-2016-3157

No data.

Status : Deferred
Published: 2016-04-12T16:59:02.423
Modified: 2025-04-12T10:46:40.837
Link: CVE-2016-3157
