O tema de hoje é muito importante, iremos conhecer os vários tipos de atualizações de segurança disponíveis no Oracle Linux 8, antes de trabalharmos na parte prática, iremos conhecer algumas definições básicas do que é CVE e ELSA.
CVE, abreviação de Common Vulnerabilities and Exposures, é uma lista de falhas de segurança de computador divulgadas publicamente. Quando alguém se refere a um CVE, significa uma falha de segurança que recebeu um número de ID CVE.
Avisos de segurança emitidos por fornecedores e pesquisadores quase sempre mencionam pelo menos um ID CVE. Os CVEs ajudam os profissionais de TI a coordenar seus esforços para priorizar e resolver essas vulnerabilidades para tornar os sistemas de computador mais seguros.
CVE Detalhes: https://www.cvedetails.com/vulnerability-list/vendor_id-93/year-2021/Oracle.html
https://linux.oracle.com/ords/f?p=130:21
https://linux.oracle.com/security/
ELSA, Enterprise Linux Security Advisory, nada mais que uma maneira de consultar e obter detalhamento de falhas de seguranças ou bugs e quais pacotes devem ser atualizados ou foram afetados.
ELSA Detalhes: https://linux.oracle.com/ords/f?p=105:21
Para este exemplo utilizei o Oracle Linux 8.0 desatualizado.
1 – Verificando atualizações de segurança disponíveis para download e instalação.
[root@ol8 ~]# dnf updateinfo sec
Last metadata expiration check: 0:04:37 ago on Tue 07 Sep 2021 12:15:28 PM -03.
Updates Information Summary: available
173 Security notice(s) <===================== We see that we have 173 security updates out of which 64 are important.
64 Important Security notice(s) <========= Vemos que temos 173 atualizações de segurança sendo que as 64 são importantes.
92 Moderate Security notice(s) <========= 92 de nivel moderado.
17 Low Security notice(s) 17 de nivel baixo de segurança.
ShellScript2 – Verificando de forma detalhada quais pacotes/aplicativos possuem atualizações e devem sofrer atualizações. Como a lista é muito grande de pacotes, estou resumindo os pacotes listados.
root@ol8 ~]# dnf updateinfo list sec | awk '{print $3}'
expiration
NetworkManager-1:1.22.8-5.el8_2.x86_64
NetworkManager-1:1.30.0-7.0.1.el8.x86_64
NetworkManager-libnm-1:1.22.8-5.el8_2.x86_64
NetworkManager-libnm-1:1.30.0-7.0.1.el8.x86_64
NetworkManager-team-1:1.22.8-5.el8_2.x86_64
NetworkManager-team-1:1.30.0-7.0.1.el8.x86_64
NetworkManager-tui-1:1.22.8-5.el8_2.x86_64
NetworkManager-tui-1:1.30.0-7.0.1.el8.x86_64
bash-4.4.19-14.el8.x86_64
bind-export-libs-32:9.11.13-3.el8.x86_64
bind-export-libs-32:9.11.13-5.el8_2.x86_64
bind-export-libs-32:9.11.20-5.el8.x86_64
bind-export-libs-32:9.11.20-5.el8_3.1.x86_64
bind-export-libs-32:9.11.26-4.el8_4.x86_64
bind-export-libs-32:9.11.4-17.P2.el8_0.1.x86_64
bind-export-libs-32:9.11.4-17.P2.el8_0.x86_64
bind-export-libs-32:9.11.4-26.P2.el8.x86_64
brotli-1.0.6-3.el8.x86_64
cpio-2.12-10.el8.x86_64
cryptsetup-libs-2.3.3-2.el8.x86_64
cups-libs-1:2.2.6-33.el8.x86_64
cups-libs-1:2.2.6-38.el8.x86_64
curl-7.61.1-11.el8.x86_64
curl-7.61.1-12.el8.x86_64
curl-7.61.1-14.el8.x86_64
curl-7.61.1-18.el8.x86_64
cyrus-sasl-lib-2.1.27-5.el8.x86_64
dbus-1:1.12.8-10.0.1.el8_2.x86_64
dbus-1:1.12.8-9.0.1.el8.x86_64
dbus-common-1:1.12.8-10.0.1.el8_2.noarch
dbus-common-1:1.12.8-9.0.1.el8.noarch
dbus-daemon-1:1.12.8-10.0.1.el8_2.x86_64
dbus-daemon-1:1.12.8-9.0.1.el8.x86_64
dbus-libs-1:1.12.8-10.0.1.el8_2.x86_64
dbus-libs-1:1.12.8-9.0.1.el8.x86_64
dbus-tools-1:1.12.8-10.0.1.el8_2.x86_64
dbus-tools-1:1.12.8-9.0.1.el8.x86_64
dhcp-client-12:4.3.6-34.el8.x86_64
dhcp-client-12:4.3.6-44.el8_4.1.x86_64
dhcp-common-12:4.3.6-34.el8.noarch
dhcp-common-12:4.3.6-44.el8_4.1.noarch
dhcp-libs-12:4.3.6-34.el8.x86_64
dhcp-libs-12:4.3.6-44.el8_4.1.x86_64
dnf-4.2.7-6.el8.noarch
dnf-data-4.2.7-6.el8.noarch
dnf-plugins-core-4.0.8-3.el8.noarch
e2fsprogs-1.45.4-3.el8.x86_64
e2fsprogs-libs-1.45.4-3.el8.x86_64
elfutils-default-yama-scope-0.176-5.el8.noarch
elfutils-libelf-0.176-5.el8.x86_64
elfutils-libs-0.176-5.el8.x86_64
expat-2.2.5-4.el8.x86_64
freetype-2.9.1-4.el8_3.1.x86_64
gettext-0.19.8.1-17.el8.x86_64
gettext-libs-0.19.8.1-17.el8.x86_64
glib2-2.56.4-10.el8_4.1.x86_64
glib2-2.56.4-10.el8_4.x86_64
glib2-2.56.4-7.el8.x86_64
glib2-2.56.4-8.el8.x86_64
glib2-2.56.4-9.el8.x86_64
glibc-2.28-101.0.1.el8.x86_64
glibc-2.28-127.0.1.el8.x86_64
glibc-2.28-151.0.1.el8.x86_64
glibc-2.28-72.0.1.el8.x86_64
glibc-common-2.28-101.0.1.el8.x86_64
glibc-common-2.28-127.0.1.el8.x86_64
glibc-common-2.28-151.0.1.el8.x86_64
glibc-common-2.28-72.0.1.el8.x86_64
glibc-langpack-en-2.28-101.0.1.el8.x86_64
glibc-langpack-en-2.28-127.0.1.el8.x86_64
glibc-langpack-en-2.28-151.0.1.el8.x86_64
glibc-langpack-en-2.28-72.0.1.el8.x86_64
gnupg2-2.2.20-2.el8.x86_64
gnupg2-smime-2.2.20-2.el8.x86_64
gnutls-3.6.14-7.el8_3.x86_64
gnutls-3.6.14-8.el8_3.x86_64
gnutls-3.6.8-10.el8_2.x86_64
gnutls-3.6.8-11.el8_2.x86_64
gnutls-3.6.8-8.el8.x86_64
grub2-common-1:2.02-78.0.2.el8.noarch
grub2-common-1:2.02-78.0.3.el8_1.1.noarch
grub2-common-1:2.02-82.0.2.el8_2.1.noarch
grub2-common-1:2.02-90.0.2.el8.noarch
grub2-common-1:2.02-90.0.2.el8_3.1.noarch
grub2-pc-1:2.02-78.0.2.el8.x86_64
grub2-pc-1:2.02-78.0.3.el8_1.1.x86_64
grub2-pc-1:2.02-82.0.2.el8_2.1.x86_64
ShellScript3 – Detalhes dos pacotes a serem atualizados. Como a lista é muito grande de pacotes, estou resumindo os pacotes listados.
[root@ol8 ~]# dnf updateinfo list
Last metadata expiration check: 0:10:17 ago on Tue 07 Sep 2021 12:15:28 PM -03.
ELBA-2019-4856 bugfix NetworkManager-1:1.20.0-3.0.1.el8.x86_64
ELBA-2019-4279 bugfix NetworkManager-1:1.20.0-5.0.1.el8_1.x86_64
ELBA-2020-1847 bugfix NetworkManager-1:1.22.8-4.el8.x86_64
ELSA-2020-3011 Moderate/Sec. NetworkManager-1:1.22.8-5.el8_2.x86_64
ELBA-2020-5474 bugfix NetworkManager-1:1.26.0-12.0.1.el8_3.x86_64
ELBA-2021-0563 bugfix NetworkManager-1:1.26.0-13.0.1.el8_3.x86_64
ELBA-2021-1099 bugfix NetworkManager-1:1.26.0-14.0.1.el8_3.x86_64
ELBA-2020-4499 bugfix NetworkManager-1:1.26.0-8.0.1.el8.x86_64
ELBA-2020-4850 bugfix NetworkManager-1:1.26.0-9.0.1.el8_3.x86_64
ELBA-2020-5940 bugfix NetworkManager-1:1.26.0-9.0.2.el8_3.x86_64
ELBA-2021-3055 bugfix NetworkManager-1:1.30.0-10.0.1.el8_4.x86_64
ELSA-2021-1574 Moderate/Sec. NetworkManager-1:1.30.0-7.0.1.el8.x86_64
ELBA-2021-2576 bugfix NetworkManager-1:1.30.0-9.0.1.el8_4.x86_64
ELBA-2019-4856 bugfix NetworkManager-libnm-1:1.20.0-3.0.1.el8.x86_64
ELBA-2019-4279 bugfix NetworkManager-libnm-1:1.20.0-5.0.1.el8_1.x86_64
ELBA-2020-1847 bugfix NetworkManager-libnm-1:1.22.8-4.el8.x86_64
ELSA-2020-3011 Moderate/Sec. NetworkManager-libnm-1:1.22.8-5.el8_2.x86_64
ELBA-2020-5474 bugfix NetworkManager-libnm-1:1.26.0-12.0.1.el8_3.x86_64
ELBA-2021-0563 bugfix NetworkManager-libnm-1:1.26.0-13.0.1.el8_3.x86_64
ELBA-2021-1099 bugfix NetworkManager-libnm-1:1.26.0-14.0.1.el8_3.x86_64
ELBA-2020-4499 bugfix NetworkManager-libnm-1:1.26.0-8.0.1.el8.x86_64
ELBA-2020-4850 bugfix NetworkManager-libnm-1:1.26.0-9.0.1.el8_3.x86_64
ELBA-2020-5940 bugfix NetworkManager-libnm-1:1.26.0-9.0.2.el8_3.x86_64
ELBA-2021-3055 bugfix NetworkManager-libnm-1:1.30.0-10.0.1.el8_4.x86_64
ELSA-2021-1574 Moderate/Sec. NetworkManager-libnm-1:1.30.0-7.0.1.el8.x86_64
ELBA-2021-2576 bugfix NetworkManager-libnm-1:1.30.0-9.0.1.el8_4.x86_64
ELBA-2019-4856 bugfix NetworkManager-team-1:1.20.0-3.0.1.el8.x86_64
ELBA-2019-4279 bugfix NetworkManager-team-1:1.20.0-5.0.1.el8_1.x86_64
ELBA-2020-1847 bugfix NetworkManager-team-1:1.22.8-4.el8.x86_64
ELSA-2020-3011 Moderate/Sec. NetworkManager-team-1:1.22.8-5.el8_2.x86_64
ELBA-2020-5474 bugfix NetworkManager-team-1:1.26.0-12.0.1.el8_3.x86_64
ELBA-2021-0563 bugfix NetworkManager-team-1:1.26.0-13.0.1.el8_3.x86_64
ELBA-2021-1099 bugfix NetworkManager-team-1:1.26.0-14.0.1.el8_3.x86_64
ELBA-2020-4499 bugfix NetworkManager-team-1:1.26.0-8.0.1.el8.x86_64
ELBA-2020-4850 bugfix NetworkManager-team-1:1.26.0-9.0.1.el8_3.x86_64
ELBA-2020-5940 bugfix NetworkManager-team-1:1.26.0-9.0.2.el8_3.x86_64
ELBA-2021-3055 bugfix NetworkManager-team-1:1.30.0-10.0.1.el8_4.x86_64
ELSA-2021-1574 Moderate/Sec. NetworkManager-team-1:1.30.0-7.0.1.el8.x86_64
ELBA-2021-2576 bugfix NetworkManager-team-1:1.30.0-9.0.1.el8_4.x86_64
ELBA-2019-4856 bugfix NetworkManager-tui-1:1.20.0-3.0.1.el8.x86_64
ELBA-2019-4279 bugfix NetworkManager-tui-1:1.20.0-5.0.1.el8_1.x86_64
ELBA-2020-1847 bugfix NetworkManager-tui-1:1.22.8-4.el8.x86_64
ELSA-2020-3011 Moderate/Sec. NetworkManager-tui-1:1.22.8-5.el8_2.x86_64
ELBA-2020-5474 bugfix NetworkManager-tui-1:1.26.0-12.0.1.el8_3.x86_64
ELBA-2021-0563 bugfix NetworkManager-tui-1:1.26.0-13.0.1.el8_3.x86_64
ELBA-2021-1099 bugfix NetworkManager-tui-1:1.26.0-14.0.1.el8_3.x86_64
ELBA-2020-4499 bugfix NetworkManager-tui-1:1.26.0-8.0.1.el8.x86_64
ELBA-2020-4850 bugfix NetworkManager-tui-1:1.26.0-9.0.1.el8_3.x86_64
ELBA-2020-5940 bugfix NetworkManager-tui-1:1.26.0-9.0.2.el8_3.x86_64
ELBA-2021-3055 bugfix NetworkManager-tui-1:1.30.0-10.0.1.el8_4.x86_64
ELSA-2019-1959 Important/Sec. kernel-tools-4.18.0-80.7.1.el8_0.x86_64
ELSA-2019-2411 Important/Sec. kernel-tools-4.18.0-80.7.2.el8_0.x86_64
ELSA-2019-3832 Important/Sec. kernel-tools-libs-4.18.0-147.0.2.el8_1.x86_64
ELSA-2019-3871 Important/Sec. kernel-tools-libs-4.18.0-147.0.3.el8_1.x86_64
ELEA-2020-5481 enhancement microcode_ctl-4:20200609-2.20201112.1.0.1.el8_3.x86_64
ELBA-2021-0621 bugfix microcode_ctl-4:20200609-2.20210216.1.0.1.el8_3.x86_64
ELBA-2021-1613 bugfix microcode_ctl-4:20210216-1
ShellScript4 – Listando a classificação dos pacotes por niveis de criticidade (Moderado, Baixo, Importante).
[root@ol8 ~]# dnf updateinfo list --sec-severity=Moderate
Last metadata expiration check: 0:12:53 ago on Tue 07 Sep 2021 12:15:28 PM -03.
ELSA-2020-3011 Moderate/Sec. NetworkManager-1:1.22.8-5.el8_2.x86_64
ELSA-2021-1574 Moderate/Sec. NetworkManager-1:1.30.0-7.0.1.el8.x86_64
ELSA-2020-3011 Moderate/Sec. NetworkManager-libnm-1:1.22.8-5.el8_2.x86_64
ELSA-2021-1574 Moderate/Sec. NetworkManager-libnm-1:1.30.0-7.0.1.el8.x86_64
ELSA-2020-3011 Moderate/Sec. NetworkManager-team-1:1.22.8-5.el8_2.x86_64
ELSA-2021-1574 Moderate/Sec. NetworkManager-team-1:1.30.0-7.0.1.el8.x86_64
ELSA-2020-3011 Moderate/Sec. NetworkManager-tui-1:1.22.8-5.el8_2.x86_64
ELSA-2021-1574 Moderate/Sec. NetworkManager-tui-1:1.30.0-7.0.1.el8.x86_64
ELSA-2020-1845 Moderate/Sec. bind-export-libs-32:9.11.13-3.el8.x86_64
ELSA-2020-4500 Moderate/Sec. bind-export-libs-32:9.11.20-5.el8.x86_64
ELSA-2019-3583 Moderate/Sec. yum-4.2.7-6.el8.noarch
ShellScript[root@ol8 ~]# dnf updateinfo list --sec-severity=Low
Last metadata expiration check: 0:13:01 ago on Tue 07 Sep 2021 12:15:28 PM -03.
ELSA-2021-1679 Low/Sec. bash-4.4.19-14.el8.x86_64
ELSA-2019-3552 Low/Sec. bind-export-libs-32:9.11.4-26.P2.el8.x86_64
ELSA-2020-1765 Low/Sec. cups-libs-1:2.2.6-33.el8.x86_64
ELSA-2020-4469 Low/Sec. cups-libs-1:2.2.6-38.el8.x86_64
ELSA-2019-3575 Low/Sec. elfutils-default-yama-scope-0.176-5.el8.noarch
ELSA-2019-3575 Low/Sec. elfutils-libelf-0.176-5.el8.x86_64
ShellScript[root@ol8 ~]# dnf updateinfo list --sec-severity=Important
Last metadata expiration check: 0:13:09 ago on Tue 07 Sep 2021 12:15:28 PM -03.
ELSA-2020-2338 Important/Sec. bind-export-libs-32:9.11.13-5.el8_2.x86_64
ELSA-2021-0670 Important/Sec. bind-export-libs-32:9.11.20-5.el8_3.1.x86_64
ELSA-2021-1989 Important/Sec. bind-export-libs-32:9.11.26-4.el8_4.x86_64
ELSA-2019-1714 Important/Sec. bind-export-libs-32:9.11.4-17.P2.el8_0.1.x86_64
ELSA-2019-1145 Important/Sec. bind-export-libs-32:9.11.4-17.P2.el8_0.x86_64
ELSA-2020-3014 Important/Sec. dbus-1:1.12.8-10.0.1.el8_2.x86_64
ELSA-2020-3014 Important/Sec. dbus-common-1:1.12.8-10.0.1.el8_2.noarch
ELSA-2020-3014 Important/Sec. dbus-daemon-1:1.12.8-10.0.1.el8_2.x86_64
ELSA-2020-3014 Important/Sec. dbus-libs-1:1.12.8-10.0.1.el8_2.x86_64
ELSA-2020-3014 Important/Sec. dbus-tools-1:1.12.8-10.0.1.el8_2.x86_64
ELSA-2021-2359 Important/Sec. dhcp-client-12:4.3.6-44.el8_4.1.x86_64
ELSA-2021-2359 Important/Sec. dhcp-common-12:4.3.6-44.el8_4.1.noarch
ELSA-2021-2359 Important/Sec. dhcp-libs-12:4.3.6-44.el8_4.1.x86_64
ELSA-2020-4952 Important/Sec. freetype-2.9.1-4.el8_3.1.x86_64
ELSA-2021-2170 Important/Sec. glib2-2.56.4-10.el8_4.x86_64
ELSA-2021-1206 Important/Sec. gnutls-3.6.14-8.el8_3.x86_64
ELSA-2020-2637 Important/Sec. gnutls-3.6.8-11.el8_2.x86_64
ELSA-2019-4869 Important/Sec. grub2-common-1:2.02-78.0.2.el8.noarch
ELSA-2020-5786 Important/Sec. grub2-common-1:2.02-82.0.2.el8_2.1.noarch
ELSA-2021-9077 Important/Sec. grub2-common-1:2.02-90.0.2.el8.noarch
ELSA-2019-4869 Important/Sec. grub2-pc-1:2.02-78.0.2.el8.x86_64
ELSA-2020-5786 Important/Sec. grub2-pc-1:2.02-82.0.2.el8_2.1.x86_64
ELSA-2021-9077 Important/Sec. grub2-pc-1:2.02-90.0.2.el8.x86_64
ShellScript5 – Para listar Vulnerabilidades e Exposições Comuns (CVE) de segurança.
[root@ol8 ~]# dnf updateinfo list cves
ShellScript6 – Verificando informações de uma CVE especifica (CVE-2020-4000).
[root@ol8 ~]# dnf updateinfo list --cve CVE-2020-4000
ShellScript7 – Atualizando uma CVE especifica (CVE-2020-4000).
[root@ol8 ~]# dnf update --cve CVE-2020-4000
ShellScript8 – Corrigindo ou aplicando atualizações de segurança ELSA.
[root@ol8 ~]# dnf update --advisory ELSA-2020-4010
ShellScript9 – Para aplicar todas as atualizações de segurança.
[root@ol8 ~]# dnf --security update -y
Last metadata expiration check: 0:06:24 ago on Tue 07 Sep 2021 12:29:24 PM -03.
Dependencies resolved.
====================================================================================================================================================================
Package Arch Version Repository Size
====================================================================================================================================================================
Installing:
kernel x86_64 4.18.0-305.12.1.el8_4 ol8_baseos_latest 5.9 M
kernel-core x86_64 4.18.0-305.12.1.el8_4 ol8_baseos_latest 36 M
kernel-modules x86_64 4.18.0-305.12.1.el8_4 ol8_baseos_latest 28 M
Upgrading:
libX11 x86_64 1.6.8-4.el8 ol8_appstream 611 k
libX11-common noarch 1.6.8-4.el8 ol8_appstream 158 k
libX11-xcb x86_64 1.6.8-4.el8 ol8_appstream 14 k
libdrm x86_64 2.4.103-1.el8 ol8_appstream 165 k
libglvnd x86_64 1:1.3.2-1.el8 ol8_appstream 127 k
libglvnd-glx x86_64 1:1.3.2-1.el8 ol8_appstream 137 k
libjpeg-turbo x86_64 1.5.3-10.el8 ol8_appstream 155 k
libmspack x86_64 0.7-0.3.alpha.el8.4 ol8_appstream 71 k
libreswan x86_64 4.3-3.0.1.el8 ol8_appstream 1.3 M
mesa-libGL x86_64 20.3.3-2.el8 ol8_appstream 188 k
mesa-libglapi x86_64 20.3.3-2.el8 ol8_appstream 65 k
nspr x86_64 4.25.0-2.el8_2 ol8_appstream 142 k
nss x86_64 3.53.1-17.el8_3 ol8_appstream 723 k
nss-softokn x86_64 3.53.1-17.el8_3 ol8_appstream 484 k
nss-softokn-freebl x86_64 3.53.1-17.el8_3 ol8_appstream 376 k
nss-sysinit x86_64 3.53.1-17.el8_3 ol8_appstream 72 k
Complete!
ShellScript10 – Aplicando atualizações de segurança por categoria.
Atualiza cada pacote para a versão mais recente disponível que fornece uma correção de bug, aprimoramento ou uma correção para um problema de segurança (segurança).
[root@ol8 ~]# dnf --security upgrade-minimal
====================================================================================================================================================================
Package Arch Version Repository Size
====================================================================================================================================================================
Upgrading:
libX11 x86_64 1.6.8-4.el8 ol8_appstream 611 k
libX11-common noarch 1.6.8-4.el8 ol8_appstream 158 k
libX11-xcb x86_64 1.6.8-4.el8 ol8_appstream 14 k
libdrm x86_64 2.4.103-1.el8 ol8_appstream 165 k
libglvnd x86_64 1:1.3.2-1.el8 ol8_appstream 127 k
libglvnd-glx x86_64 1:1.3.2-1.el8 ol8_appstream 137 k
libjpeg-turbo x86_64 1.5.3-10.el8 ol8_appstream 155 k
libmspack x86_64 0.7-0.3.alpha.el8.4 ol8_appstream 71 k
libreswan x86_64 3.29-7.0.1.el8_2 ol8_appstream 1.3 M
mesa-libGL x86_64 20.3.3-2.el8 ol8_appstream 188 k
mesa-libglapi x86_64 20.3.3-2.el8 ol8_appstream 65 k
nspr x86_64 4.25.0-2.el8_2 ol8_appstream 142 k
nss x86_64 3.53.1-17.el8_3 ol8_appstream 723 k
nss-softokn x86_64 3.53.1-11.el8_2 ol8_appstream 484 k
nss-softokn-freebl x86_64 3.53.1-11.el8_2 ol8_appstream 289 k
nss-sysinit x86_64 3.53.1-17.el8_3 ol8_appstream 72 k
nss-tools x86_64 3.53.1-17.el8_3 ol8_appstream 560 k
nss-util x86_64 3.53.1-17.el8_3 ol8_appstream 136 k
plymouth x86_64 0.9.3-15.0.1.el8 ol8_appstream 114 k
plymouth-core-libs x86_64 0.9.3-15.0.1.el8 ol8_appstream 114 k
plymouth-scripts x86_64 0.9.3-15.0.1.el8 ol8_appstream 42 k
python3-unbound x86_64 1.7.3-15.el8 ol8_appstream 119 k
rsyslog x86_64 8.1911.0-3.el8 ol8_appstream 730 k
Transaction Summary
====================================================================================================================================================================
Install 26 Packages
Upgrade 167 Packages
Skip 69 Packages
Total download size: 442 M
Is this ok [y/N]: y <========================= YES
Downloading Packages:
(1/193): kernel-4.18.0-240.22.1.el8_3.x86_64.rpm 4.8 MB/s | 4.4 MB 00:00
(2/193): kernel-core-4.18.0-240.22.1.el8_3.x86_64.rpm 7.9 MB/s | 30 MB 00:03
(3/193): grub2-tools-efi-2.02-90.0.2.el8_3.1.x86_64.rpm 98 kB/s | 472 kB 00:04
(4/193): kernel-core-4.18.0-305.12.1.el8_4.x86_64.rpm 7.7 MB/s | 36 MB 00:04
(5/193): libssh-config-0.9.4-2.el8.noarch.rpm 103 kB/s | 18 kB 00:00
(6/193): libzstd-1.4.4-1.0.1.el8.x86_64.rpm 3.3 MB/s | 266 kB 00:00
(7/193): mozjs60-60.9.0-4.0.1.el8.x86_64.rpm 7.1 MB/s | 6.6 MB 00:00
(8/193): perl-Encode-2.97-3.el8.x86_64.rpm 7.2 MB/s | 1.5 MB 00:00
(9/193): perl-File-Temp-0.230.600-1.el8.noarch.rpm 1.4 MB/s | 63 kB 00:00
(10/193): perl-Getopt-Long-2.50-4.el8.noarch.rpm 1.4 MB/s | 63 kB 00:00
(11/193): perl-HTTP-Tiny-0.074-1.el8.noarch.rpm 741 kB/s | 58 kB 00:00
Complete!
ShellScript11 – Atualizações de segurança e correções bugs apenas referente ao kernel.
[root@ol8 ~]# dnf --security upgrade-minimal kernel*
Last metadata expiration check: 0:49:03 ago on Tue 07 Sep 2021 12:15:28 PM -03.
Dependencies resolved.
====================================================================================================================================================================
Package Arch Version Repository Size
====================================================================================================================================================================
Installing:
kernel x86_64 4.18.0-240.22.1.el8_3 ol8_baseos_latest 4.4 M
kernel-core x86_64 4.18.0-305.12.1.el8_4 ol8_baseos_latest 36 M
kernel-modules x86_64 4.18.0-305.12.1.el8_4 ol8_baseos_latest 28 M
Upgrading:
dracut x86_64 049-135.git20210121.0.2.el8 ol8_baseos_latest 374 k
dracut-config-rescue x86_64 049-135.git20210121.0.2.el8 ol8_baseos_latest 60 k
dracut-network x86_64 049-135.git20210121.0.2.el8 ol8_baseos_latest 108 k
dracut-squash x86_64 049-135.git20210121.0.2.el8 ol8_baseos_latest 60 k
iptables x86_64 1.8.4-17.0.1.el8 ol8_baseos_latest 584 k
iptables-ebtables x86_64 1.8.4-17.0.1.el8 ol8_baseos_latest 72 k
iptables-libs x86_64 1.8.4-17.0.1.el8 ol8_baseos_latest 107 k
kernel-tools x86_64 4.18.0-305.12.1.el8_4 ol8_baseos_latest 6.1 M
kernel-tools-libs x86_64 4.18.0-305.12.1.el8_4 ol8_baseos_latest 5.9 M
kexec-tools x86_64 2.0.20-46.0.1.el8_4.2 ol8_baseos_latest 510 k
libnftnl x86_64 1.1.5-4.el8 ol8_baseos_latest 83 k
linux-firmware noarch 999:20210617-999.8.git0f66b74b.el8 ol8_baseos_latest 178 M
systemd x86_64 239-45.0.2.el8_4.3 ol8_baseos_latest 3.6 M
systemd-libs x86_64 239-45.0.2.el8_4.3 ol8_baseos_latest 1.1 M
systemd-pam x86_64 239-45.0.2.el8_4.3 ol8_baseos_latest 470 k
systemd-udev x86_64 239-45.0.2.el8_4.3 ol8_baseos_latest 1.4 M
Installing dependencies:
kernel-core x86_64 4.18.0-240.22.1.el8_3 ol8_baseos_latest 30 M
kernel-modules x86_64 4.18.0-240.22.1.el8_3 ol8_baseos_latest 26 M
Transaction Summary
====================================================================================================================================================================
Install 5 Packages
Upgrade 16 Packages
Total download size: 322 M
Is this ok [y/N]: y <========================= YES
Downloading Packages:
(1/21): kernel-core-4.18.0-305.12.1.el8_4.x86_64.rpm 9.5 MB/s | 36 MB 00:03
(2/21): kernel-4.18.0-240.22.1.el8_3.x86_64.rpm 610 kB/s | 4.4 MB 00:07
(3/21): kernel-modules-4.18.0-305.12.1.el8_4.x86_64.rpm 9.0 MB/s | 28 MB 00:03
(4/21): dracut-049-135.git20210121.0.2.el8.x86_64.rpm 5.0 MB/s | 374 kB 00:00
(5/21): dracut-config-rescue-049-135.git20210121.0.2.el8.x86_64.rpm 1.6 MB/s | 60 kB 00:00
(6/21): dracut-network-049-135.git20210121.0.2.el8.x86_64.rpm 1.1 MB/s | 108 kB 00:00
(7/21): dracut-squash-049-135.git20210121.0.2.el8.x86_64.rpm 1.3 MB/s | 60 kB 00:00
(8/21): iptables-1.8.4-17.0.1.el8.x86_64.rpm 6.9 MB/s | 584 kB 00:00
(9/21): iptables-ebtables-1.8.4-17.0.1.el8.x86_64.rpm 3.8 MB/s | 72 kB 00:00
(10/21): iptables-libs-1.8.4-17.0.1.el8.x86_64.rpm 3.3 MB/s | 107 kB 00:00
(11/21): kernel-tools-4.18.0-305.12.1.el8_4.x86_64.rpm 4.8 MB/s | 6.1 MB 00:01
(12/21): kernel-tools-libs-4.18.0-305.12.1.el8_4.x86_64.rpm 5.6 MB/s | 5.9 MB 00:01
(13/21): kernel-core-4.18.0-240.22.1.el8_3.x86_64.rpm 2.3 MB/s | 30 MB 00:13
(14/21): kexec-tools-2.0.20-46.0.1.el8_4.2.x86_64.rpm 5.2 MB/s | 510 kB 00:00
(15/21): kernel-modules-4.18.0-240.22.1.el8_3.x86_64.rpm 2.2 MB/s | 26 MB 00:11
(16/21): systemd-239-45.0.2.el8_4.3.x86_64.rpm 6.7 MB/s | 3.6 MB 00:00
(17/21): systemd-libs-239-45.0.2.el8_4.3.x86_64.rpm 8.6 MB/s | 1.1 MB 00:00
(18/21): systemd-pam-239-45.0.2.el8_4.3.x86_64.rpm 5.3 MB/s | 470 kB 00:00
(19/21): systemd-udev-239-45.0.2.el8_4.3.x86_64.rpm 8.1 MB/s | 1.4 MB 00:00
(20/21): libnftnl-1.1.5-4.el8.x86_64.rpm 27 kB/s | 83 kB 00:03
(21/21): linux-firmware-20210617-999.8.git0f66b74b.el8.noarch.rpm 14 MB/s | 178 MB 00:12
--------------------------------------------------------------------------------------------------------------------------------------------------------------------
Total 12 MB/s | 322 MB 00:26
Running transaction check
Transaction check succeeded.
Running transaction test
Transaction test succeeded.
Running transaction
Preparing : 1/1
Running scriptlet: linux-firmware-999:20210617-999.8.git0f66b74b.el8.noarch 1/1
Upgrading : linux-firmware-999:20210617-999.8.git0f66b74b.el8.noarch 1/37
Upgrading : iptables-libs-1.8.4-17.0.1.el8.x86_64 2/37
Upgrading : systemd-libs-239-45.0.2.el8_4.3.x86_64 3/37
Running scriptlet: systemd-libs-239-45.0.2.el8_4.3.x86_64 3/37
Upgrading : systemd-pam-239-45.0.2.el8_4.3.x86_64 4/37
Running scriptlet: systemd-239-45.0.2.el8_4.3.x86_64 5/37
Upgrading : systemd-239-45.0.2.el8_4.3.x86_64 5/37
Running scriptlet: systemd-239-45.0.2.el8_4.3.x86_64 5/37
Upgrading : systemd-udev-239-45.0.2.el8_4.3.x86_64 6/37
Running scriptlet: systemd-udev-239-45.0.2.el8_4.3.x86_64 6/37
Upgrading : dracut-049-135.git20210121.0.2.el8.x86_64 7/37
Installing : kernel-core-4.18.0-240.22.1.el8_3.x86_64 8/37
Running scriptlet: kernel-core-4.18.0-240.22.1.el8_3.x86_64 8/37
Installing : kernel-modules-4.18.0-240.22.1.el8_3.x86_64 9/37
Running scriptlet: kernel-modules-4.18.0-240.22.1.el8_3.x86_64 9/37
Installing : kernel-core-4.18.0-305.12.1.el8_4.x86_64 10/37
Running scriptlet: kernel-core-4.18.0-305.12.1.el8_4.x86_64 10/37
Upgrading : dracut-network-049-135.git20210121.0.2.el8.x86_64 11/37
Running scriptlet: dracut-network-049-135.git20210121.0.2.el8.x86_64 11/37
Upgrading : dracut-squash-049-135.git20210121.0.2.el8.x86_64 12/37
Upgrading : libnftnl-1.1.5-4.el8.x86_64 13/37
Running scriptlet: libnftnl-1.1.5-4.el8.x86_64 13/37
Running scriptlet: iptables-1.8.4-17.0.1.el8.x86_64 14/37
Upgrading : iptables-1.8.4-17.0.1.el8.x86_64 14/37
Running scriptlet: iptables-1.8.4-17.0.1.el8.x86_64 14/37
Upgrading : kernel-tools-libs-4.18.0-305.12.1.el8_4.x86_64 15/37
Running scriptlet: kernel-tools-libs-4.18.0-305.12.1.el8_4.x86_64 15/37
Upgraded:
dracut-049-135.git20210121.0.2.el8.x86_64 dracut-config-rescue-049-135.git20210121.0.2.el8.x86_64 dracut-network-049-135.git20210121.0.2.el8.x86_64
dracut-squash-049-135.git20210121.0.2.el8.x86_64 iptables-1.8.4-17.0.1.el8.x86_64 iptables-ebtables-1.8.4-17.0.1.el8.x86_64
iptables-libs-1.8.4-17.0.1.el8.x86_64 kernel-tools-4.18.0-305.12.1.el8_4.x86_64 kernel-tools-libs-4.18.0-305.12.1.el8_4.x86_64
kexec-tools-2.0.20-46.0.1.el8_4.2.x86_64 libnftnl-1.1.5-4.el8.x86_64 linux-firmware-999:20210617-999.8.git0f66b74b.el8.noarch
systemd-239-45.0.2.el8_4.3.x86_64 systemd-libs-239-45.0.2.el8_4.3.x86_64 systemd-pam-239-45.0.2.el8_4.3.x86_64
systemd-udev-239-45.0.2.el8_4.3.x86_64
Installed:
kernel-4.18.0-240.22.1.el8_3.x86_64 kernel-core-4.18.0-305.12.1.el8_4.x86_64 kernel-modules-4.18.0-305.12.1.el8_4.x86_64
kernel-core-4.18.0-240.22.1.el8_3.x86_64 kernel-modules-4.18.0-240.22.1.el8_3.x86_64
Complete!
ShellScript12 – Verificando se ainda possuem atualizações de kernel ou bugs para serem aplicados.
[root@ol8 ~]# dnf --security upgrade-minimal kernel*
Last metadata expiration check: 0:52:36 ago on Tue 07 Sep 2021 12:15:28 PM -03.
No security updates needed for "kernel*", but 1 update available
Dependencies resolved.
Nothing to do.
Complete!
ShellScript13 -Verificando se temos atualizações de segurança pendentes para serem aplicadas.
[root@ol8 ~]# dnf updateinfo sec
Last metadata expiration check: 0:12:03 ago on Tue 07 Sep 2021 01:25:53 PM -03.
[root@ol8 ~]#
ShellScriptSearch for CVE details: https://linux.oracle.com/ords/f?p=130:21
Search for ELSA details: https://linux.oracle.com/ords/f?p=105:21