サブスクリプションの更新後、yum コマンドが "M2Crypto.SSL.SSLError: certificate verify failed" エラーに失敗する

Issue

• yum を実行すると以下のエラーを取得します。

# yum list
Loaded plugins: katello, product-id, security, subscription-manager
Updating certificate-based repositories.
Traceback (most recent call last):
File "/usr/bin/yum", line 29, in ?
yummain.user_main(sys.argv[1:], exit_code=True)
File "/usr/share/yum-cli/yummain.py", line 309, in user_main
errcode = main(args)
File "/usr/share/yum-cli/yummain.py", line 178, in main
result, resultmsgs = base.doCommands()
File "/usr/share/yum-cli/cli.py", line 345, in doCommands
self._getTs(needTsRemove)
:
:
:
File "/usr/lib64/python2.4/httplib.py", line 652, in send
self.connect()
File "/usr/lib64/python2.4/site-packages/M2Crypto/httpslib.py", line 47, in connect
self.sock.connect((self.host, self.port))
File "/usr/lib64/python2.4/site-packages/M2Crypto/SSL/Connection.py", line 174, in connect
ret = self.connect_ssl()
File "/usr/lib64/python2.4/site-packages/M2Crypto/SSL/Connection.py", line 167, in connect_ssl
return m2.ssl_connect(self.ssl, self._timeout)
M2Crypto.SSL.SSLError: certificate verify failed