Rapid7 Vulnerability & Exploit Database

Ubuntu: (Multiple Advisories) (CVE-2021-3501): Linux kernel vulnerabilities

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

Ubuntu: (Multiple Advisories) (CVE-2021-3501): Linux kernel vulnerabilities

Severity
4
CVSS
(AV:L/AC:L/Au:N/C:N/I:P/A:P)
Published
05/06/2021
Created
06/04/2021
Added
06/03/2021
Modified
03/22/2023

Description

A flaw was found in the Linux kernel in versions before 5.12. The value of internal.ndata, in the KVM API, is mapped to an array index, which can be updated by a user process at anytime which could lead to an out-of-bounds write. The highest threat from this vulnerability is to data integrity and system availability.

Solution(s)

  • ubuntu-upgrade-linux-image-5-10-0-1029-oem
  • ubuntu-upgrade-linux-image-5-11-0-1006-azure
  • ubuntu-upgrade-linux-image-5-11-0-1007-oracle
  • ubuntu-upgrade-linux-image-5-11-0-1008-aws
  • ubuntu-upgrade-linux-image-5-11-0-1008-gcp
  • ubuntu-upgrade-linux-image-5-11-0-1008-kvm
  • ubuntu-upgrade-linux-image-5-11-0-1009-raspi
  • ubuntu-upgrade-linux-image-5-11-0-1009-raspi-nolpae
  • ubuntu-upgrade-linux-image-5-11-0-18-generic
  • ubuntu-upgrade-linux-image-5-11-0-18-generic-64k
  • ubuntu-upgrade-linux-image-5-11-0-18-generic-lpae
  • ubuntu-upgrade-linux-image-5-11-0-18-lowlatency
  • ubuntu-upgrade-linux-image-aws
  • ubuntu-upgrade-linux-image-azure
  • ubuntu-upgrade-linux-image-gcp
  • ubuntu-upgrade-linux-image-generic
  • ubuntu-upgrade-linux-image-generic-64k
  • ubuntu-upgrade-linux-image-generic-lpae
  • ubuntu-upgrade-linux-image-gke
  • ubuntu-upgrade-linux-image-kvm
  • ubuntu-upgrade-linux-image-lowlatency
  • ubuntu-upgrade-linux-image-oem-20-04
  • ubuntu-upgrade-linux-image-oem-20-04b
  • ubuntu-upgrade-linux-image-oracle
  • ubuntu-upgrade-linux-image-raspi
  • ubuntu-upgrade-linux-image-raspi-nolpae
  • ubuntu-upgrade-linux-image-virtual

References

View more

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

;