Rapid7 Vulnerability & Exploit Database

Alma Linux: CVE-2021-45486: Important: kernel security, bug fix, and enhancement update (ALSA-2022-1988)

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

Alma Linux: CVE-2021-45486: Important: kernel security, bug fix, and enhancement update (ALSA-2022-1988)

Severity
3
CVSS
(AV:A/AC:L/Au:S/C:P/I:N/A:N)
Published
12/25/2021
Created
05/14/2022
Added
05/13/2022
Modified
05/20/2022

Description

In the IPv4 implementation in the Linux kernel before 5.12.4, net/ipv4/route.c has an information leak because the hash table is very small.

Solution(s)

  • alma-upgrade-bpftool
  • alma-upgrade-kernel
  • alma-upgrade-kernel-abi-stablelists
  • alma-upgrade-kernel-core
  • alma-upgrade-kernel-cross-headers
  • alma-upgrade-kernel-debug
  • alma-upgrade-kernel-debug-core
  • alma-upgrade-kernel-debug-devel
  • alma-upgrade-kernel-debug-modules
  • alma-upgrade-kernel-debug-modules-extra
  • alma-upgrade-kernel-devel
  • alma-upgrade-kernel-doc
  • alma-upgrade-kernel-headers
  • alma-upgrade-kernel-modules
  • alma-upgrade-kernel-modules-extra
  • alma-upgrade-kernel-tools
  • alma-upgrade-kernel-tools-libs
  • alma-upgrade-kernel-tools-libs-devel
  • alma-upgrade-perf
  • alma-upgrade-python3-perf

References

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

;