* [refpolicy] [PATCH] userdomain: no longer allow unprivileged users to read kernel symbols
@ 2014-03-23 21:20 Nicolas Iooss
2014-04-04 19:53 ` Christopher J. PeBenito
0 siblings, 1 reply; 2+ messages in thread
From: Nicolas Iooss @ 2014-03-23 21:20 UTC (permalink / raw)
To: refpolicy
Unprivileged users don't need to read kallsyms and /boot/System.map.
This allow rule was introduced in the initial revision of userdomain.if in
2005, with commit b16c6b8c32a631a2e66265f6f60b664222760972:
# cjp: why?
bootloader_read_kernel_symbol_table($1_t)
---
policy/modules/system/userdomain.if | 2 --
1 file changed, 2 deletions(-)
diff --git a/policy/modules/system/userdomain.if b/policy/modules/system/userdomain.if
index 73678bc..39e665d 100644
--- a/policy/modules/system/userdomain.if
+++ b/policy/modules/system/userdomain.if
@@ -1005,8 +1005,6 @@ template(`userdom_unpriv_user_template', `
corenet_tcp_bind_xserver_port($1_t)
files_exec_usr_files($1_t)
- # cjp: why?
- files_read_kernel_symbol_table($1_t)
ifndef(`enable_mls',`
fs_exec_noxattr($1_t)
--
1.9.0
^ permalink raw reply related [flat|nested] 2+ messages in thread
* [refpolicy] [PATCH] userdomain: no longer allow unprivileged users to read kernel symbols
2014-03-23 21:20 [refpolicy] [PATCH] userdomain: no longer allow unprivileged users to read kernel symbols Nicolas Iooss
@ 2014-04-04 19:53 ` Christopher J. PeBenito
0 siblings, 0 replies; 2+ messages in thread
From: Christopher J. PeBenito @ 2014-04-04 19:53 UTC (permalink / raw)
To: refpolicy
On 03/23/2014 05:20 PM, Nicolas Iooss wrote:
> Unprivileged users don't need to read kallsyms and /boot/System.map.
>
> This allow rule was introduced in the initial revision of userdomain.if in
> 2005, with commit b16c6b8c32a631a2e66265f6f60b664222760972:
>
> # cjp: why?
> bootloader_read_kernel_symbol_table($1_t)
> ---
> policy/modules/system/userdomain.if | 2 --
> 1 file changed, 2 deletions(-)
>
> diff --git a/policy/modules/system/userdomain.if b/policy/modules/system/userdomain.if
> index 73678bc..39e665d 100644
> --- a/policy/modules/system/userdomain.if
> +++ b/policy/modules/system/userdomain.if
> @@ -1005,8 +1005,6 @@ template(`userdom_unpriv_user_template', `
> corenet_tcp_bind_xserver_port($1_t)
>
> files_exec_usr_files($1_t)
> - # cjp: why?
> - files_read_kernel_symbol_table($1_t)
>
> ifndef(`enable_mls',`
> fs_exec_noxattr($1_t)
Merged.
--
Chris PeBenito
Tresys Technology, LLC
www.tresys.com | oss.tresys.com
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2014-03-23 21:20 [refpolicy] [PATCH] userdomain: no longer allow unprivileged users to read kernel symbols Nicolas Iooss
2014-04-04 19:53 ` Christopher J. PeBenito
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