CVE-2016-9644

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…

published November 28, 2016

CVSS
—
EPSS
1%
Percentile
73.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01454 · 73.1th percentile
Published
2016-11-28T03:01Z
EPSS history
Timeline
  • 28 NOV 03:01Z
    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…
    cvelistv5