OpenSSH pubkey authentication failing after update to 5.4

[Thorsten Kampe]

Hi,

today I updated to OpenSSH 5.4 from 5.3 and I noticed on four different 
hosts that pubkey authentication was not working anymore after the 
update (while password authentication still works).

I started the server with "-ddd" and this is the (in my opinion) 
critical difference:

# 5.3 (old SSH)
temporarily_use_uid: 500/513 (e=1105/513)
trying public key file /home/admin/.ssh/authorized_keys
fd 4 clearing O_NONBLOCK
matching key found: file /home/admin/.ssh/authorized_keys, line 1
Found matching DSA key: 1b:31:25:da:6f:89:17:e8:25:46:46:60:ed:6f:a2:6c

# 5.4 (new SSH)
temporarily_use_uid: 500/513 (e=1105/513)
trying public key file //.ssh/authorized_keys
restore_uid: 1105/513
temporarily_use_uid: 500/513 (e=1105/513)
trying public key file //.ssh/authorized_keys
restore_uid: 1105/513
Failed publickey for admin from 149.44.136.129 port 2864 ssh2


What else can I provide to help troubleshooting this issue?!

Thorsten


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