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Oracle Linux: (CVE-2021-20177) (Multiple Advisories): Unbreakable Enterprise kernel-container security update

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Oracle Linux: (CVE-2021-20177) (Multiple Advisories): Unbreakable Enterprise kernel-container security update

Severity
2
CVSS
(AV:L/AC:L/Au:N/C:N/I:N/A:P)
Published
02/06/2021
Created
02/11/2021
Added
02/09/2021
Modified
11/23/2022

Description

A flaw was found in the Linux kernel's implementation of string matching within a packet. A privileged user (with root or CAP_NET_ADMIN) when inserting iptables rules could insert a rule which can panic the system. Kernel before kernel 5.5-rc1 is affected.

Solution(s)

  • oracle-linux-upgrade-kernel-uek
  • oracle-linux-upgrade-kernel-uek-container
  • oracle-linux-upgrade-kernel-uek-container-debug
  • oracle-linux-upgrade-kernel-uek-debug
  • oracle-linux-upgrade-kernel-uek-debug-devel
  • oracle-linux-upgrade-kernel-uek-devel
  • oracle-linux-upgrade-kernel-uek-doc
  • oracle-linux-upgrade-kernel-uek-tools
  • oracle-linux-upgrade-kernel-uek-tools-libs
  • oracle-linux-upgrade-perf
  • oracle-linux-upgrade-python-perf

References

  • ELSA-2021-9038
  • CVE-2021-20177
  • USN-4750-1

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