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CentOS Linux: CVE-2018-20836: Important: kernel security, bug fix, and enhancement update (Multiple Advisories)

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CentOS Linux: CVE-2018-20836: Important: kernel security, bug fix, and enhancement update (Multiple Advisories)

Severity
9
CVSS
(AV:N/AC:M/Au:N/C:C/I:C/A:C)
Published
05/07/2019
Created
10/01/2020
Added
10/01/2020
Modified
05/25/2023

Description

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.

Solution(s)

  • centos-upgrade-kernel
  • centos-upgrade-kernel-rt

References

  • 108196
  • DSA-4495
  • DSA-4497
  • CVE-2018-20836

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