package base-files 7.2ubuntu5.2 failed to install/upgrade: unable to install `/etc/lsb-release.dpkg-new' as `/etc/lsb-release': Operation not permitted

[Tanim Islam]

Just got a system error.

ProblemType: Package
DistroRelease: Ubuntu 14.04
Package: base-files 7.2ubuntu5.2
ProcVersionSignature: Ubuntu 3.13.0-29.53-generic 3.13.11.2
Uname: Linux 3.13.0-29-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.7
AptOrdering:
 base-files: Install
 base-files: Configure
Architecture: amd64
Date: Fri Feb 20 12:54:21 2015
Dependencies:

DuplicateSignature: package:base-files:7.2ubuntu5.2:unable to install `/etc/lsb-release.dpkg-new' as `/etc/lsb-release': Operation not permitted
ErrorMessage: unable to install `/etc/lsb-release.dpkg-new' as `/etc/lsb-release': Operation not permitted
InstallationDate: Installed on 2014-03-09 (356 days ago)
InstallationMedia: Linux Mint 16 "petra" - Release amd64 20131126
SourcePackage: base-files
Title: package base-files 7.2ubuntu5.2 failed to install/upgrade: unable to install `/etc/lsb-release.dpkg-new' as `/etc/lsb-release': Operation not permitted
UpgradeStatus: No upgrade log present (probably fresh install)
modified.conffile..etc.legal:

modified.conffile..etc.lsb.release:
 DISTRIB_ID=Ubuntu
 DISTRIB_RELEASE=17
 DISTRIB_CODENAME=qiana
 DISTRIB_DESCRIPTION="Linux Mint 17 Qiana"
mtime.conffile..etc.legal: 2015-02-25T16:51:23.687562
mtime.conffile..etc.lsb.release: 2014-11-21T12:02:32.158086
mtime.conffile..etc.update.motd.d.10.help.text: 2015-02-25T16:51:38.018724

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.