diff mbox series

[05/11] Kernel: Gate SETID transitions to limit CAP_SET(G|U)ID capabilities

Message ID 1e8ebe39-63a5-6c76-764b-b8293fb5cfa2@ipfire.org
State Rejected
Headers
Series Kernel: Improve hardening |

Commit Message

Peter Müller March 19, 2022, 9:09 p.m. UTC 
  Signed-off-by: Peter Müller <peter.mueller@ipfire.org>
---
 config/kernel/kernel.config.aarch64-ipfire | 2 +-
 config/kernel/kernel.config.armv6l-ipfire  | 2 +-
 config/kernel/kernel.config.riscv64-ipfire | 2 +-
 config/kernel/kernel.config.x86_64-ipfire  | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

Comments

Michael Tremer March 23, 2022, 11:46 a.m. UTC | #1 
Where is this whitelist defined then?

We use setuid and I would assume that this change will break all misc-progs.

-Michael

> On 19 Mar 2022, at 21:09, Peter Müller <peter.mueller@ipfire.org> wrote:
> 
> Signed-off-by: Peter Müller <peter.mueller@ipfire.org>
> ---
> config/kernel/kernel.config.aarch64-ipfire | 2 +-
> config/kernel/kernel.config.armv6l-ipfire  | 2 +-
> config/kernel/kernel.config.riscv64-ipfire | 2 +-
> config/kernel/kernel.config.x86_64-ipfire  | 2 +-
> 4 files changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/config/kernel/kernel.config.aarch64-ipfire b/config/kernel/kernel.config.aarch64-ipfire
> index b2ef43e51..b485c2fb6 100644
> --- a/config/kernel/kernel.config.aarch64-ipfire
> +++ b/config/kernel/kernel.config.aarch64-ipfire
> @@ -7558,7 +7558,7 @@ CONFIG_FORTIFY_SOURCE=y
> CONFIG_SECURITY_LOADPIN=y
> CONFIG_SECURITY_LOADPIN_ENFORCE=y
> # CONFIG_SECURITY_YAMA is not set
> -# CONFIG_SECURITY_SAFESETID is not set
> +CONFIG_SECURITY_SAFESETID=y
> # CONFIG_SECURITY_LOCKDOWN_LSM is not set
> # CONFIG_SECURITY_LANDLOCK is not set
> CONFIG_INTEGRITY=y
> diff --git a/config/kernel/kernel.config.armv6l-ipfire b/config/kernel/kernel.config.armv6l-ipfire
> index 13326a29c..98b554d91 100644
> --- a/config/kernel/kernel.config.armv6l-ipfire
> +++ b/config/kernel/kernel.config.armv6l-ipfire
> @@ -7562,7 +7562,7 @@ CONFIG_HARDENED_USERCOPY_PAGESPAN=y
> CONFIG_SECURITY_LOADPIN=y
> CONFIG_SECURITY_LOADPIN_ENFORCE=y
> # CONFIG_SECURITY_YAMA is not set
> -# CONFIG_SECURITY_SAFESETID is not set
> +CONFIG_SECURITY_SAFESETID=y
> # CONFIG_SECURITY_LOCKDOWN_LSM is not set
> # CONFIG_SECURITY_LANDLOCK is not set
> CONFIG_INTEGRITY=y
> diff --git a/config/kernel/kernel.config.riscv64-ipfire b/config/kernel/kernel.config.riscv64-ipfire
> index fa4ee46fa..b595ae8cd 100644
> --- a/config/kernel/kernel.config.riscv64-ipfire
> +++ b/config/kernel/kernel.config.riscv64-ipfire
> @@ -6195,7 +6195,7 @@ CONFIG_FORTIFY_SOURCE=y
> CONFIG_SECURITY_LOADPIN=y
> CONFIG_SECURITY_LOADPIN_ENFORCE=y
> # CONFIG_SECURITY_YAMA is not set
> -# CONFIG_SECURITY_SAFESETID is not set
> +CONFIG_SECURITY_SAFESETID=y
> # CONFIG_SECURITY_LOCKDOWN_LSM is not set
> # CONFIG_SECURITY_LANDLOCK is not set
> CONFIG_INTEGRITY=y
> diff --git a/config/kernel/kernel.config.x86_64-ipfire b/config/kernel/kernel.config.x86_64-ipfire
> index e6a03a9e5..b325feb1d 100644
> --- a/config/kernel/kernel.config.x86_64-ipfire
> +++ b/config/kernel/kernel.config.x86_64-ipfire
> @@ -6971,7 +6971,7 @@ CONFIG_FORTIFY_SOURCE=y
> CONFIG_SECURITY_LOADPIN=y
> CONFIG_SECURITY_LOADPIN_ENFORCE=y
> # CONFIG_SECURITY_YAMA is not set
> -# CONFIG_SECURITY_SAFESETID is not set
> +CONFIG_SECURITY_SAFESETID=y
> # CONFIG_SECURITY_LOCKDOWN_LSM is not set
> # CONFIG_SECURITY_LANDLOCK is not set
> CONFIG_INTEGRITY=y
> -- 
> 2.34.1
diff mbox series

Patch

diff --git a/config/kernel/kernel.config.aarch64-ipfire b/config/kernel/kernel.config.aarch64-ipfire
index b2ef43e51..b485c2fb6 100644
--- a/config/kernel/kernel.config.aarch64-ipfire
+++ b/config/kernel/kernel.config.aarch64-ipfire
@@ -7558,7 +7558,7 @@  CONFIG_FORTIFY_SOURCE=y
 CONFIG_SECURITY_LOADPIN=y
 CONFIG_SECURITY_LOADPIN_ENFORCE=y
 # CONFIG_SECURITY_YAMA is not set
-# CONFIG_SECURITY_SAFESETID is not set
+CONFIG_SECURITY_SAFESETID=y
 # CONFIG_SECURITY_LOCKDOWN_LSM is not set
 # CONFIG_SECURITY_LANDLOCK is not set
 CONFIG_INTEGRITY=y
diff --git a/config/kernel/kernel.config.armv6l-ipfire b/config/kernel/kernel.config.armv6l-ipfire
index 13326a29c..98b554d91 100644
--- a/config/kernel/kernel.config.armv6l-ipfire
+++ b/config/kernel/kernel.config.armv6l-ipfire
@@ -7562,7 +7562,7 @@  CONFIG_HARDENED_USERCOPY_PAGESPAN=y
 CONFIG_SECURITY_LOADPIN=y
 CONFIG_SECURITY_LOADPIN_ENFORCE=y
 # CONFIG_SECURITY_YAMA is not set
-# CONFIG_SECURITY_SAFESETID is not set
+CONFIG_SECURITY_SAFESETID=y
 # CONFIG_SECURITY_LOCKDOWN_LSM is not set
 # CONFIG_SECURITY_LANDLOCK is not set
 CONFIG_INTEGRITY=y
diff --git a/config/kernel/kernel.config.riscv64-ipfire b/config/kernel/kernel.config.riscv64-ipfire
index fa4ee46fa..b595ae8cd 100644
--- a/config/kernel/kernel.config.riscv64-ipfire
+++ b/config/kernel/kernel.config.riscv64-ipfire
@@ -6195,7 +6195,7 @@  CONFIG_FORTIFY_SOURCE=y
 CONFIG_SECURITY_LOADPIN=y
 CONFIG_SECURITY_LOADPIN_ENFORCE=y
 # CONFIG_SECURITY_YAMA is not set
-# CONFIG_SECURITY_SAFESETID is not set
+CONFIG_SECURITY_SAFESETID=y
 # CONFIG_SECURITY_LOCKDOWN_LSM is not set
 # CONFIG_SECURITY_LANDLOCK is not set
 CONFIG_INTEGRITY=y
diff --git a/config/kernel/kernel.config.x86_64-ipfire b/config/kernel/kernel.config.x86_64-ipfire
index e6a03a9e5..b325feb1d 100644
--- a/config/kernel/kernel.config.x86_64-ipfire
+++ b/config/kernel/kernel.config.x86_64-ipfire
@@ -6971,7 +6971,7 @@  CONFIG_FORTIFY_SOURCE=y
 CONFIG_SECURITY_LOADPIN=y
 CONFIG_SECURITY_LOADPIN_ENFORCE=y
 # CONFIG_SECURITY_YAMA is not set
-# CONFIG_SECURITY_SAFESETID is not set
+CONFIG_SECURITY_SAFESETID=y
 # CONFIG_SECURITY_LOCKDOWN_LSM is not set
 # CONFIG_SECURITY_LANDLOCK is not set
 CONFIG_INTEGRITY=y