Improper Initialization Affecting kernel-uek-debug-devel package, versions <0:4.14.35-1818.3.3.el7uek


Severity

Recommended
0.0
high
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-ORACLE7-KERNELUEKDEBUGDEVEL-2531610
  • published10 Apr 2022
  • disclosed28 Jul 2018

Introduced: 28 Jul 2018

CVE-2018-14678  (opens in a new tab)
CWE-665  (opens in a new tab)

How to fix?

Upgrade Oracle:7 kernel-uek-debug-devel to version 0:4.14.35-1818.3.3.el7uek or higher.
This issue was patched in ELSA-2018-4242.

NVD Description

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

An issue was discovered in the Linux kernel through 4.17.11, as used in Xen through 4.11.x. The xen_failsafe_callback entry point in arch/x86/entry/entry_64.S does not properly maintain RBX, which allows local users to cause a denial of service (uninitialized memory usage and system crash). Within Xen, 64-bit x86 PV Linux guest OS users can trigger a guest OS crash or possibly gain privileges.

CVSS Scores

version 3.1