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Acknowledged

LIN8-5325 : Security Advisory - linux - CVE-2016-9644

Created: Dec 15, 2016    Updated: May 29, 2018
Found In Version: 8.0.0.11
Severity: Standard
Applicable for: Wind River Linux 8
Component/s: Kernel

Description

The __get_user_asm_ex macro in arch/x86/include/asm/uaccess.h in the Linux kernel 4.4.22 through 4.4.28 contains extended asm statements that are incompatible with the exception table, which allows local users to obtain root access on non-SMEP platforms via a crafted application.  NOTE: this vulnerability exists because of incorrect backporting of the CVE-2016-9178 patch to older kernels.

http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-9644

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