Kissing the Yemeni Corner Question#58
Is it permissible to kiss the Yemeni corner (of the Ka'bah)?
Kissing the Yemeni corner (ar-Rukn al-Yamani) is not confirmed from the Messenger of Allah (peace be upon him). Any act of worship which is not confirmed from the Messenger of Allah (peace be upon him) is an innovation and not something which draws one near to Allah. So based upon this, it is not legislated for a person to kiss the Yemeni corner since this is not confirmed upon the Prophet (peace be upon him). Rather, it has been mentioned in a weak hadith that can not be used as proof.
Shaykh Ibn 'Uthaymin
al-Bid'u wal-Muhdathat wa ma la Asla lahu - Page 388;
Fiqh al-'Ibadat - Page 348