Race Condition Affecting python-perf package, versions <0:3.10.0-1160.el7


Severity

Recommended
0.0
high
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.77% (82nd percentile)

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  • Snyk IDSNYK-ORACLE7-PYTHONPERF-2546576
  • 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 python-perf to version 0:3.10.0-1160.el7 or higher.
This issue was patched in ELSA-2020-4060.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python-perf package and not the python-perf 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