CVE-2016-9644 in Linux Kernelinfo

Summary

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.

Reservation

11/27/2016

Disclosure

11/27/2016

Entries

VulDB provides additional information and datapoints for this CVE:

ID	Vulnerability	CWE	Exp	Cou	CVE
93852	Linux Kernel uaccess.h __get_user_asm_ex access control	264	Not defined	Official fix	CVE-2016-9644

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