Rapid7 Vulnerability & Exploit Database

Amazon Linux AMI: CVE-2020-25669: Security patch for kernel ((Multiple Advisories))

Back to Search

Amazon Linux AMI: CVE-2020-25669: Security patch for kernel ((Multiple Advisories))

Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Published
11/23/2020
Created
12/22/2020
Added
12/19/2020
Modified
06/07/2021

Description

A vulnerability was found in the Linux Kernel where the function sunkbd_reinit having been scheduled by sunkbd_interrupt before sunkbd being freed. Though the dangling pointer is set to NULL in sunkbd_disconnect, there is still an alias in sunkbd_reinit causing Use After Free.

Solution(s)

  • amazon-linux-upgrade-kernel

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

;