Wind River Support Network


LIN6-11082 : Security Advisory - linux - CVE-2016-3157

Created: Apr 13, 2016    Updated: Mar 12, 2019
Resolved Date: Nov 18, 2018
Found In Version:
Fix Version:
Severity: Standard
Applicable for: Wind River Linux 6
Component/s: Kernel


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 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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