Magento cache wrong read permissions?

Magento cache wrong read permissions?

References

Reference NO 1

http://stackoverflow.com/questions/13649679/magento-cache-wrong-read-permissions

Reference NO 2

http://stackoverflow.com/questions/12797918/magento-1-7-0-2-clear-cache

Reference NO 3

http://www.magentocommerce.com/boards/viewthread/21249/

Reference NO 4

https://support.sweettoothrewards.com/entries/21910363-Magento-connect-error-solutions

Reference NO 5

http://codepoets.co.uk/2011/magento-not-finding-product-images-solution/

Reference NO 6

http://mehtagaurav.blogspot.com/2011/06/could-not-determine-temo-directory.html

Reference NO 7

http://www.nbs-system.co.uk/blog-2/magento-optimization-howto-en.html

Reference NO 8

http://www.expertmagentodevelopers.com/blog/how-to-upgrade-from-magento-1-5-1-to-magento-1-6-0/