Rapid7 Vulnerability & Exploit Database

Ubuntu: (Multiple Advisories) (CVE-2021-45485): Linux kernel vulnerabilities

Back to Search

Ubuntu: (Multiple Advisories) (CVE-2021-45485): Linux kernel vulnerabilities

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:P/I:N/A:N)
Published
12/25/2021
Created
03/25/2022
Added
02/23/2022
Modified
04/13/2022

Description

In the IPv6 implementation in the Linux kernel before 5.13.3, net/ipv6/output_core.c has an information leak because of certain use of a hash table which, although big, doesn't properly consider that IPv6-based attackers can typically choose among many IPv6 source addresses.

Solution(s)

  • ubuntu-upgrade-linux-image-4-4-0-1099-aws
  • ubuntu-upgrade-linux-image-4-4-0-1100-kvm
  • ubuntu-upgrade-linux-image-4-4-0-1102-aws
  • ubuntu-upgrade-linux-image-4-4-0-1103-kvm
  • ubuntu-upgrade-linux-image-4-4-0-1135-aws
  • ubuntu-upgrade-linux-image-4-4-0-1138-aws
  • ubuntu-upgrade-linux-image-4-4-0-219-generic
  • ubuntu-upgrade-linux-image-4-4-0-219-lowlatency
  • ubuntu-upgrade-linux-image-4-4-0-222-generic
  • ubuntu-upgrade-linux-image-4-4-0-222-lowlatency
  • ubuntu-upgrade-linux-image-aws
  • ubuntu-upgrade-linux-image-generic
  • ubuntu-upgrade-linux-image-generic-lts-xenial
  • ubuntu-upgrade-linux-image-kvm
  • ubuntu-upgrade-linux-image-lowlatency
  • ubuntu-upgrade-linux-image-lowlatency-lts-xenial
  • ubuntu-upgrade-linux-image-virtual
  • ubuntu-upgrade-linux-image-virtual-lts-xenial

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

;