Race Condition Affecting kernel-uek-debug-devel package, versions <0:4.1.12-124.28.1.el7uek


Severity

Recommended
0.0
high
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.77% (82nd percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-ORACLE7-KERNELUEKDEBUGDEVEL-2544603
  • published10 Apr 2022
  • disclosed7 May 2019

Introduced: 7 May 2019

CVE-2018-20836  (opens in a new tab)
CWE-362  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Oracle:7 kernel-uek-debug-devel to version 0:4.1.12-124.28.1.el7uek or higher.
This issue was patched in ELSA-2019-4670.

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 before 4.20. There is a race condition in smp_task_timedout() and smp_task_done() in drivers/scsi/libsas/sas_expander.c, leading to a use-after-free.

CVSS Scores

version 3.1