Yum が「[Errno 14] curl#77 - "Problem with the SSL CA cert (path? access rights?)"」で失敗する

Issue

• Yum がメッセージ [Errno 14] curl#77 - "Problem with the SSL CA cert (path? access rights?)" を表示して失敗します。
• Repo rhel-7-server-rpms forced skip_if_unavailable=True due to: /etc/rhsm/ca/redhat-uep.pem

# yum install sos
Loaded plugins: product-id, search-disabled-repos, subscription-manager
Repo rhel-7-server-rpms forced skip_if_unavailable=True due to: /etc/rhsm/ca/redhat-uep.pem
Resolving Dependencies
--> Running transaction check
---> Package sos.noarch 0:3.9-5.el7_9.4 will be installed
--> Processing Dependency: bzip2 for package: sos-3.9-5.el7_9.4.noarch
--> Processing Dependency: python2-futures for package: sos-3.9-5.el7_9.4.noarch
--> Running transaction check
---> Package bzip2.x86_64 0:1.0.6-13.el7 will be installed
---> Package python2-futures.noarch 0:3.1.1-5.el7 will be installed
--> Finished Dependency Resolution

Dependencies Resolved

====================================================================================================================================================================
 Package                                  Arch                            Version                                 Repository                                   Size
====================================================================================================================================================================
Installing:
 sos                                      noarch                          3.9-5.el7_9.4                           rhel-7-server-rpms                          541 k
Installing for dependencies:
 bzip2                                    x86_64                          1.0.6-13.el7                            rhel-7-server-rpms                           52 k
 python2-futures                          noarch                          3.1.1-5.el7                             rhel-7-server-rpms                           29 k

Transaction Summary
====================================================================================================================================================================
Install  1 Package (+2 Dependent packages)

Total download size: 623 k
Installed size: 1.9 M
Is this ok [y/d/N]: y
Downloading packages:
Delta RPMs disabled because /usr/bin/applydeltarpm not installed.
bzip2-1.0.6-13.el7.x86_64.rpm  FAILED                                          
https://cdn.redhat.com/content/dist/rhel/server/7/7Server/x86_64/os/Packages/b/bzip2-1.0.6-13.el7.x86_64.rpm: [Errno 14] curl#77 - "Problem with the SSL CA cert (path? access rights?)"
Trying other mirror.
python2-futures-3.1.1-5.el7.no FAILED                                          
https://cdn.redhat.com/content/dist/rhel/server/7/7Server/x86_64/os/Packages/p/python2-futures-3.1.1-5.el7.noarch.rpm: [Errno 14] curl#77 - "Problem with the SSL CA cert (path? access rights?)"
Trying other mirror.
sos-3.9-5.el7_9.4.noarch.rpm   FAILED                                          
https://cdn.redhat.com/content/dist/rhel/server/7/7Server/x86_64/os/Packages/s/sos-3.9-5.el7_9.4.noarch.rpm: [Errno 14] curl#77 - "Problem with the SSL CA cert (path? access rights?)"
Trying other mirror.


Error downloading packages:
  bzip2-1.0.6-13.el7.x86_64: [Errno 256] No more mirrors to try.
  sos-3.9-5.el7_9.4.noarch: [Errno 256] No more mirrors to try.
  python2-futures-3.1.1-5.el7.noarch: [Errno 256] No more mirrors to try.