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NULL Pointer Dereference Affecting kernel-tools package, versions <0:3.10.0-514.16.1.el7

Severity

 Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.05% (14th percentile)

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  • Snyk IDSNYK-RHEL7-KERNELTOOLS-4755240
  • published26 Jul 2021
  • disclosed15 Nov 2016
Report a new vulnerability Found a mistake?

Introduced: 15 Nov 2016

CVE-2016-8650  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade RHEL:7 kernel-tools to version 0:3.10.0-514.16.1.el7 or higher.
This issue was patched in RHSA-2017:0933.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-tools package and not the kernel-tools package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

The mpi_powm function in lib/mpi/mpi-pow.c in the Linux kernel through 4.8.11 does not ensure that memory is allocated for limb data, which allows local users to cause a denial of service (stack memory corruption and panic) via an add_key system call for an RSA key with a zero exponent.