# sudo apt-get update && sudo apt-get dist-upgrade
Hit http://ftp.uk.debian.org wheezy Release.gpg
Hit http://ftp.uk.debian.org wheezy-updates Release.gpg
Hit http://ftp.uk.debian.org wheezy Release
Hit http://packages.dotdeb.org wheezy-php55 Release.gpg
Hit http://ftp.uk.debian.org wheezy-updates Release
Hit http://packages.dotdeb.org wheezy-php55 Release
Hit http://security.debian.org wheezy/updates Release.gpg
Hit http://security.debian.org wheezy/updates Release
Hit http://ftp.uk.debian.org wheezy/main Sources
Hit http://ftp.uk.debian.org wheezy/main amd64 Packages
Hit http://ftp.uk.debian.org wheezy/main Translation-en
Hit http://ftp.uk.debian.org wheezy-updates/main Sources
Hit http://ftp.uk.debian.org wheezy-updates/main amd64 Packages/DiffIndex
Hit http://ftp.uk.debian.org wheezy-updates/main Translation-en/DiffIndex
Hit http://packages.dotdeb.org wheezy-php55/all amd64 Packages
Hit http://security.debian.org wheezy/updates/main Sources
Hit http://security.debian.org wheezy/updates/main amd64 Packages
Ign http://packages.dotdeb.org wheezy-php55/all Translation-en_GB
Hit http://security.debian.org wheezy/updates/contrib amd64 Packages
Ign http://packages.dotdeb.org wheezy-php55/all Translation-en
Hit http://security.debian.org wheezy/updates/non-free amd64 Packages
Hit http://security.debian.org wheezy/updates/contrib Translation-en
Hit http://security.debian.org wheezy/updates/main Translation-en
Hit http://security.debian.org wheezy/updates/non-free Translation-en
Reading package lists... Done
Reading package lists... Done
Building dependency tree
Reading state information... Done
Calculating upgrade... Done
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.

# uname -rv
3.2.0-4-amd64 #1 SMP Debian 3.2.41-2+deb7u2

# apt-cache policy linux-image-3.2.0-4-amd64 linux-image-amd64
linux-image-3.2.0-4-amd64:
  Installed: 3.2.82-1
  Candidate: 3.2.82-1
  Version table:
 *** 3.2.82-1 0
        500 http://security.debian.org/ wheezy/updates/main amd64 Packages
        100 /var/lib/dpkg/status
     3.2.78-1 0
        500 http://httpredir.debian.org/debian/ wheezy/main amd64 Packages
linux-image-amd64:
  Installed: 3.2+46
  Candidate: 3.2+46
  Version table:
 *** 3.2+46 0
        500 http://httpredir.debian.org/debian/ wheezy/main amd64 Packages
        100 /var/lib/dpkg/status

# uname -ir
3.2.0-4-amd64 unknown