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NULL Pointer Dereference Affecting kernel-kdump-devel package, versions <0:3.10.0-693.17.1.el7

Severity

 Recommended
high

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    EPSS
    0.04% (6th percentile)

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  • Snyk ID SNYK-RHEL7-KERNELKDUMPDEVEL-5211460
  • published 26 Jul 2021
  • disclosed 18 Sep 2017
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Introduced: 18 Sep 2017

CVE-2017-12192 Open this link in a new tab
CWE-476 Open this link in a new tab

How to fix?

Upgrade RHEL:7 kernel-kdump-devel to version 0:3.10.0-693.17.1.el7 or higher.
This issue was patched in RHSA-2018:0151.

NVD Description

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

The keyctl_read_key function in security/keys/keyctl.c in the Key Management subcomponent in the Linux kernel before 4.13.5 does not properly consider that a key may be possessed but negatively instantiated, which allows local users to cause a denial of service (OOPS and system crash) via a crafted KEYCTL_READ operation.