Package: initscripts Version: 2.86.ds1-1 Severity: normal Tags: patch on my system, /dev/shm is mounted with the same defaults as /tmp:
ls -ld /tmp/ /dev/shm/ drwxrwxrwt 3 root root 60 2005-07-07 11:11 /dev/shm/ drwxrwxrwt 7 root root 384 2005-07-07 11:25 /tmp/ is it a security risk to allow any and all users permission to write to /dev/shm? a patch is attached to restrict the permissions in /etc/init.d/mountvirtfs, if it is deemed necessary. live well, vagrant -- System Information: Debian Release: 3.1 Architecture: i386 (i586) Kernel: Linux 2.6.8-2-386 Locale: LANG=en_US, LC_CTYPE=en_US (charmap=ISO-8859-1) Versions of packages initscripts depends on: ii coreutils 5.2.1-2 The GNU core utilities ii dpkg 1.10.28 Package maintenance system for Deb ii e2fsprogs 1.37-2sarge1 ext2 file system utilities and lib ii libc6 2.3.2.ds1-22 GNU C Library: Shared libraries an ii mount 2.12p-4 Tools for mounting and manipulatin ii util-linux 2.12p-4 Miscellaneous system utilities -- no debconf information
--- /etc/init.d/mountvirtfs 2004-07-29 05:15:25.000000000 -0600
+++ /home/vagrant/mountvirtfs 2005-07-07 11:22:12.536673352 -0600
@@ -207,9 +207,15 @@
# max size using /etc/default/tmpfs to prevent tmpfs from using
# up all system memory.
#
+tmpfs_opt="-omode=0755"
if [ -n "$TMPFS_SIZE" ]
then
- tmpfs_opt="-osize=${TMPFS_SIZE}"
+ if [ -n "$tmpfs_opt" ]
+ then
+ tmpfs_opt="${tmpfs_opt},size=${TMPFS_SIZE}"
+ else
+ tmpfs_opt="-osize=${TMPFS_SIZE}"
+ fi
fi
domount tmpfs shmfs /dev/shm $tmpfs_opt
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