Race Condition Affecting kernel-default-man package, versions <4.12.14-197.10.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.77% (82nd percentile)

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  • Snyk IDSNYK-SLES151-KERNELDEFAULTMAN-2743465
  • published14 Apr 2022
  • disclosed15 Jul 2019

Introduced: 15 Jul 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 SLES:15.1 kernel-default-man to version 4.12.14-197.10.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-default-man package and not the kernel-default-man package as distributed by SLES. See How to fix? for SLES:15.1 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