Public bug reported:
$ cat /proc/version_signature
Ubuntu 2.6.28-9.29-server
$ sudo find /proc/1 -type f -a -perm -o+w -ls
21488 0 -rw-rw-rw- 1 root root 0 Mar 11 23:33
/proc/1/task/1/attr/current
21490 0 -rw-rw-rw- 1 root root 0 Mar 11 23:33
/proc/1/task/1/attr/exec
21491 0 -rw-rw-rw- 1 root root 0 Mar 11 23:33
/proc/1/task/1/attr/fscreate
21492 0 -rw-rw-rw- 1 root root 0 Mar 11 23:33
/proc/1/task/1/attr/keycreate
21493 0 -rw-rw-rw- 1 root root 0 Mar 11 23:33
/proc/1/task/1/attr/sockcreate
21508 0 -rw-rw-rw- 1 root root 0 Mar 11 23:37
/proc/1/attr/current
21510 0 -rw-rw-rw- 1 root root 0 Mar 11 23:33
/proc/1/attr/exec
21511 0 -rw-rw-rw- 1 root root 0 Mar 11 23:33
/proc/1/attr/fscreate
21512 0 -rw-rw-rw- 1 root root 0 Mar 11 23:33
/proc/1/attr/keycreate
21513 0 -rw-rw-rw- 1 root root 0 Mar 11 23:33
/proc/1/attr/sockcreate
They're not actually writable (thankfully!) as the kernel gives an
EINVAL when an attempt is made to write to these proc files, but it
should be cleaned up.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
--
kernel displays /proc/1/{attr,task/1/attr}/ files as world readable/writable
https://bugs.launchpad.net/bugs/341580
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