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NULL Pointer Dereference Affecting kernel-kdump package, versions <0:2.6.32-754.30.2.el6

Severity

 Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-RHEL6-KERNELKDUMP-1525450
  • published26 Jul 2021
  • disclosed18 Sept 2017
Report a new vulnerability Found a mistake?

Introduced: 18 Sep 2017

CVE-2017-12192  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade RHEL:6 kernel-kdump to version 0:2.6.32-754.30.2.el6 or higher.
This issue was patched in RHSA-2020:2430.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-kdump package and not the kernel-kdump package as distributed by RHEL. See How to fix? for RHEL:6 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.