Install/Upgrade to Linux Kernel 3.15.4 in Ubuntu/Linux Mint

Fixes in Kernel 3.15.4:

•     ALSA: usb-audio: Fix races at disconnection and PCM closing
•     ALSA: hda - hdmi: call overridden init on resume
•     powerpc: fix typo 'CONFIG_PPC_CPU'
•     powerpc/pseries: Fix overwritten PE state
•     nfs: Fix cache_validity check in nfs_write_pageuptodate()
•     nfsd4: fix FREE_STATEID lockowner leak
•     IB/umad: Fix use-after-free on close
•     RDMA/cxgb4: Fix memory leaks in c4iw_alloc() error paths

Linux Kernel 3.15.4 Installation

 To install kernel 3.15.4 in Ubuntu or Linux Mint, open the terminal and run these commands:

cd /tmp 

wget http://goo.gl/rhhlhn -O kernel-3.15.4 

chmod +x kernel-3.15.4 

sudo sh kernel-3.15.4 

sudo reboot

To uninstall kernel 3.15.4, run these commands:

sudo apt-get purge linux-image-3.15.4* 

sudo update-grub