unable to install linux-image, which is required by update-manager

update-manager fails and instructs me to run apt-get install -f. When doing so, I get:

sudo apt-get install -f
Reading package lists... Done
Building dependency tree
Reading state information... Done
Correcting dependencies... Done
The following extra packages will be installed:
  linux-image-3.8.0-15-generic
Suggested packages:
  fdutils linux-doc-3.8.0 linux-source-3.8.0 linux-tools
The following NEW packages will be installed:
  linux-image-3.8.0-15-generic
0 upgraded, 1 newly installed, 0 to remove and 21 not upgraded.
14 not fully installed or removed.
Need to get 0 B/12,5 MB of archives.
After this operation, 33,8 MB of additional disk space will be used.
Do you want to continue [Y/n]?
Use of uninitialized value in concatenation (.) or string at /usr/share/perl5/Debconf/DbDriver/File.pm line 44, <DEBCONF_CONFIG> chunk 3.
Use of uninitialized value in -e at /usr/share/perl5/Debconf/DbDriver/File.pm line 46, <DEBCONF_CONFIG> chunk 3.
Use of uninitialized value in pattern match (m//) at /usr/share/perl5/Debconf/DbDriver/File.pm line 47, <DEBCONF_CONFIG> chunk 3.
Use of uninitialized value $directory in -d at /usr/share/perl5/Debconf/DbDriver/File.pm line 48, <DEBCONF_CONFIG> chunk 3.
Use of uninitialized value $directory in concatenation (.) or string at /usr/share/perl5/Debconf/DbDriver/File.pm line 49, <DEBCONF_CONFIG> chunk 3.
debconf: DbDriver "config": mkdir :No such file or directory
(Reading database ... 656388 files and directories currently installed.)
Unpacking linux-image-3.8.0-15-generic (from .../linux-image-3.8.0-15-generic_3.8.0-15.25_amd64.deb) ...
Use of uninitialized value in concatenation (.) or string at /usr/share/perl5/Debconf/DbDriver/File.pm line 44, <DEBCONF_CONFIG> chunk 3.
Use of uninitialized value in -e at /usr/share/perl5/Debconf/DbDriver/File.pm line 46, <DEBCONF_CONFIG> chunk 3.
Use of uninitialized value in pattern match (m//) at /usr/share/perl5/Debconf/DbDriver/File.pm line 47, <DEBCONF_CONFIG> chunk 3.
Use of uninitialized value $directory in -d at /usr/share/perl5/Debconf/DbDriver/File.pm line 48, <DEBCONF_CONFIG> chunk 3.
Use of uninitialized value $directory in concatenation (.) or string at /usr/share/perl5/Debconf/DbDriver/File.pm line 49, <DEBCONF_CONFIG> chunk 3.
debconf: DbDriver "config": mkdir :No such file or directory
dpkg: error processing /var/cache/apt/archives/linux-image-3.8.0-15-generic_3.8.0-15.25_amd64.deb (--unpack):
 subprocess new pre-installation script returned error exit status 1
No apport report written because MaxReports is reached already
                                                              Examining /etc/kernel/postrm.d .
run-parts: executing /etc/kernel/postrm.d/initramfs-tools 3.8.0-15-generic /boot/vmlinuz-3.8.0-15-generic
run-parts: executing /etc/kernel/postrm.d/zz-extlinux 3.8.0-15-generic /boot/vmlinuz-3.8.0-15-generic
run-parts: executing /etc/kernel/postrm.d/zz-update-grub 3.8.0-15-generic /boot/vmlinuz-3.8.0-15-generic
Errors were encountered while processing:
 /var/cache/apt/archives/linux-image-3.8.0-15-generic_3.8.0-15.25_amd64.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)

ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: linux-image-3.8.0-15-generic (not installed)
ProcVersionSignature: Ubuntu 3.8.0-13.23-generic 3.8.3
Uname: Linux 3.8.0-13-generic x86_64
ApportVersion: 2.9.2-0ubuntu5
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC1: giorgos 1942 F.... pulseaudio
 /dev/snd/controlC0: giorgos 1942 F.... pulseaudio
CRDA:
 country GR:
  (2402 - 2482 @ 40), (N/A, 20)
  (5170 - 5250 @ 40), (N/A, 20)
  (5250 - 5330 @ 40), (N/A, 20), DFS
  (5490 - 5710 @ 40), (N/A, 27), DFS
Date: Thu Mar 28 19:36:18 2013
HibernationDevice: RESUME=UUID=f0c659d3-c27f-42dc-b115-9ee61c296254
InstallationDate: Installed on 2011-11-01 (513 days ago)
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
MachineType: TOSHIBA Satellite L40
MarkForUpload: True
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-13-generic root=UUID=c06adce9-5953-41a7-b07f-5d32b03f35b5 ro quiet splash vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-3.8.0-13-generic N/A
 linux-backports-modules-3.8.0-13-generic N/A
 linux-firmware 1.104
SourcePackage: linux
UpgradeStatus: Upgraded to raring on 2013-03-21 (6 days ago)
dmi.bios.date: 09/19/2007
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: V1.60
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: Satellite L40
dmi.board.vendor: TOSHIBA
dmi.board.version: 1.0
dmi.chassis.type: 10
dmi.chassis.vendor: TOSHIBA
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrV1.60:bd09/19/2007:svnTOSHIBA:pnSatelliteL40:pvrPSL48E-01R01QGE:rvnTOSHIBA:rnSatelliteL40:rvr1.0:cvnTOSHIBA:ct10:cvr:
dmi.product.name: Satellite L40
dmi.product.version: PSL48E-01R01QGE
dmi.sys.vendor: TOSHIBA