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Buffer Overflow Affecting kernel-rt package, versions <0:3.10.0-957.rt56.910.el7

Severity

 Recommended
high

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    EPSS
    0.07% (32nd percentile)

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  • Snyk ID SNYK-RHEL7-KERNELRT-4880395
  • published 26 Jul 2021
  • disclosed 2 Dec 2017
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Introduced: 2 Dec 2017

CVE-2018-5848 Open this link in a new tab
CWE-120 Open this link in a new tab

How to fix?

Upgrade RHEL:7 kernel-rt to version 0:3.10.0-957.rt56.910.el7 or higher.
This issue was patched in RHSA-2018:3096.

NVD Description

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

In the function wmi_set_ie(), the length validation code does not handle unsigned integer overflow properly. As a result, a large value of the 'ie_len' argument can cause a buffer overflow in all Android releases from CAF (Android for MSM, Firefox OS for MSM, QRD Android) using the Linux Kernel.