diff mbox series

sysctl.conf: Turn on hard- and symlink protection

Message ID 5bc92613-66bb-8f0d-0caa-4532863a9236@ipfire.org
State Accepted
Commit 5d673af27fc2105b72af6bef16a68de333aa0fa7
Headers
Series sysctl.conf: Turn on hard- and symlink protection |

Commit Message

Peter Müller May 5, 2020, 8:19 p.m. UTC 
  This backports 29a8992b7228771fb2cfc68679596598fb01105a into IPFire 3.x

Signed-off-by: Peter Müller <peter.mueller@ipfire.org>
---
 setup/setup.nm                     | 2 +-
 setup/sysctl/kernel-hardening.conf | 4 ++++
 2 files changed, 5 insertions(+), 1 deletion(-)

Comments

Michael Tremer May 6, 2020, 10:25 a.m. UTC | #1 
Thank you. Merged.

> On 5 May 2020, at 21:19, Peter Müller <peter.mueller@ipfire.org> wrote:
> 
> This backports 29a8992b7228771fb2cfc68679596598fb01105a into IPFire 3.x
> 
> Signed-off-by: Peter Müller <peter.mueller@ipfire.org>
> ---
> setup/setup.nm                     | 2 +-
> setup/sysctl/kernel-hardening.conf | 4 ++++
> 2 files changed, 5 insertions(+), 1 deletion(-)
> 
> diff --git a/setup/setup.nm b/setup/setup.nm
> index 09d94e23d..cc8454bfa 100644
> --- a/setup/setup.nm
> +++ b/setup/setup.nm
> @@ -5,7 +5,7 @@
> 
> name       = setup
> version    = 3.0
> -release    = 14
> +release    = 15
> arch       = noarch
> 
> groups     = Base Build System/Base
> diff --git a/setup/sysctl/kernel-hardening.conf b/setup/sysctl/kernel-hardening.conf
> index 33e096c7c..d92485d61 100644
> --- a/setup/sysctl/kernel-hardening.conf
> +++ b/setup/sysctl/kernel-hardening.conf
> @@ -7,3 +7,7 @@ kernel.dmesg_restrict = 1
> # Improve KASLR effectiveness for mmap.
> vm.mmap_rnd_bits = 32
> vm.mmap_rnd_compat_bits = 16
> +
> +# Turn on hard- and symlink protection
> +fs.protected_symlinks = 1
> +fs.protected_hardlinks = 1
> -- 
> 2.26.1
diff mbox series

Patch

diff --git a/setup/setup.nm b/setup/setup.nm
index 09d94e23d..cc8454bfa 100644
--- a/setup/setup.nm
+++ b/setup/setup.nm
@@ -5,7 +5,7 @@ 
 
 name       = setup
 version    = 3.0
-release    = 14
+release    = 15
 arch       = noarch
 
 groups     = Base Build System/Base
diff --git a/setup/sysctl/kernel-hardening.conf b/setup/sysctl/kernel-hardening.conf
index 33e096c7c..d92485d61 100644
--- a/setup/sysctl/kernel-hardening.conf
+++ b/setup/sysctl/kernel-hardening.conf
@@ -7,3 +7,7 @@  kernel.dmesg_restrict = 1
 # Improve KASLR effectiveness for mmap.
 vm.mmap_rnd_bits = 32
 vm.mmap_rnd_compat_bits = 16
+
+# Turn on hard- and symlink protection
+fs.protected_symlinks = 1
+fs.protected_hardlinks = 1