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Oracle Linux: (CVE-2018-20856) (Multiple Advisories): Unbreakable Enterprise kernel security update

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Oracle Linux: (CVE-2018-20856) (Multiple Advisories): Unbreakable Enterprise kernel security update

Severity
5
CVSS
(AV:L/AC:L/Au:N/C:P/I:P/A:P)
Published
07/26/2019
Created
10/22/2019
Added
10/18/2019
Modified
10/07/2020

Description

An issue was discovered in the Linux kernel before 4.18.7. In block/blk-core.c, there is an __blk_drain_queue() use-after-free because a certain error case is mishandled.

Solution(s)

  • oracle-linux-upgrade-kernel
  • oracle-linux-upgrade-kernel-uek
  • oracle-linux-upgrade-kernel-uek-debug
  • oracle-linux-upgrade-kernel-uek-debug-devel
  • oracle-linux-upgrade-kernel-uek-devel
  • oracle-linux-upgrade-kernel-uek-doc
  • oracle-linux-upgrade-kernel-uek-firmware

References

  • ELSA-2020-5866
  • USN-4094-1
  • USN-4116-1
  • USN-4118-1
  • CVE-2018-20856

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