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- fix #236848 - mount/fstab.c:lock_mtab() should open with proper 

permissions
This commit is contained in:
kzak 2007-08-02 09:22:19 +00:00
parent 7dd321303c
commit ccf8f112a6
2 changed files with 28 additions and 4 deletions
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21
util-linux-2.12a-mount-lockperm.patch Normal file
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@ -0,0 +1,21 @@
From: Flávio Leitner <fleitner@redhat.com>
Subject: mount should set proper permissions on locktime
When creating the "/etc/mtab~" lockfile (specifically 'linktargetfile' in the
lock_mtab function), the file is created with incorrect permissions ('000')
which necessitates root to leverage CAP_DAC_OVERRIDE. If proper file modes (it
would appear 0600 would be sufficient) were used in the open this would
function properly with CAP_DAC_OVERRIDE revoked.
--- util-linux-2.12a/mount/fstab.c.kzak 2007-07-31 12:13:26.000000000 +0200
+++ util-linux-2.12a/mount/fstab.c 2007-07-31 12:13:11.000000000 +0200
@@ -433,7 +433,7 @@
linktargetfile = xmalloc(strlen(MOUNTLOCK_LINKTARGET) + 20);
sprintf(linktargetfile, MOUNTLOCK_LINKTARGET, getpid ());
- i = open (linktargetfile, O_WRONLY|O_CREAT, 0);
+ i = open (linktargetfile, O_WRONLY|O_CREAT, S_IRUSR|S_IWUSR);
if (i < 0) {
int errsv = errno;
/* linktargetfile does not exist (as a file)

11
util-linux.spec
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@ -9,7 +9,7 @@
Summary: A collection of basic system utilities.
Name: util-linux
Version: 2.13
Release: 0.52%{?dist}
Release: 0.53%{?dist}
License: distributable
Group: System Environment/Base
@ -257,10 +257,9 @@ Patch267: util-linux-2.13-ipcs-32bit.patch
Patch268: util-linux-2.13-mount-loop.patch
# 213253: "cal -3" generates improperly formatted output
Patch269: util-linux-2.13-cal-3.patch
# 236848 - mount/fstab.c:lock_mtab() should open with proper permissions
Patch270: util-linux-2.12a-mount-lockperm.patch
# When adding patches, please make sure that it is easy to find out what bug # the
# patch fixes.
########### END upstreamable
%description
The util-linux package contains a large variety of low-level system
@ -365,6 +364,7 @@ cp %{SOURCE8} %{SOURCE9} .
%patch267 -p1
%patch268 -p1
%patch269 -p1
%patch270 -p1
%build
unset LINGUAS || :
@ -778,6 +778,9 @@ exit 0
/sbin/losetup
%changelog
* Thu Aug 2 2007 Karel Zak <kzak@redhat.com> 2.13-0.53
- fix #236848 - mount/fstab.c:lock_mtab() should open with proper permissions
* Mon Jul 9 2007 Karel Zak <kzak@redhat.com> 2.13-0.52
- fix #245578 - login's PAM configuration inits the keyring at an inconvenient time
- fix #231532 - "pamconsole" not documented in mount(8)