Rapid7 Vulnerability & Exploit Database

Amazon Linux AMI: CVE-2018-20856: Security patch for kernel (ALAS-2018-1086)

Free InsightVM Trial No Credit Card Necessary
Watch Demo See how it all works
Back to Search

Amazon Linux AMI: CVE-2018-20856: Security patch for kernel (ALAS-2018-1086)

Severity
5
CVSS
(AV:L/AC:L/Au:N/C:P/I:P/A:P)
Published
10/03/2018
Created
06/05/2020
Added
06/04/2020
Modified
10/14/2022

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)

  • amazon-linux-upgrade-kernel

References

  • ALAS-2018-1086
  • USN-4094-1
  • USN-4116-1
  • USN-4118-1
  • CVE-2018-20856

insightVM

Advanced vulnerability management analytics and reporting.
Key Features
Free InsightVM Trial View All Features

With Rapid7 live dashboards, I have a clear view of all the assets on my network, which ones can be exploited, and what I need to do in order to reduce the risk in my environment in real-time. No other tool gives us that kind of value and insight.

– Scott Cheney, Manager of Information Security, Sierra View Medical Center

;