Improper Input Validation Affecting kernel-rt-trace package, versions <0:3.10.0-327.36.1.rt56.237.el7


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

Exploit Maturity
Mature
EPSS
0.04% (1st percentile)

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  • Snyk IDSNYK-RHEL7-KERNELRTTRACE-5110745
  • published26 Jul 2021
  • disclosed24 Jun 2016

Introduced: 24 Jun 2016

CVE-2016-4997  (opens in a new tab)
CWE-20  (opens in a new tab)
First added by Snyk

How to fix?

Upgrade RHEL:7 kernel-rt-trace to version 0:3.10.0-327.36.1.rt56.237.el7 or higher.
This issue was patched in RHSA-2016:1875.

NVD Description

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

The compat IPT_SO_SET_REPLACE and IP6T_SO_SET_REPLACE setsockopt implementations in the netfilter subsystem in the Linux kernel before 4.6.3 allow local users to gain privileges or cause a denial of service (memory corruption) by leveraging in-container root access to provide a crafted offset value that triggers an unintended decrement.

References

CVSS Scores

version 3.1