Package: linux / 4.9.189-3

debian/fs-enable-link-security-restrictions-by-default.patch Patch series | download
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From: Ben Hutchings <ben@decadent.org.uk>
Subject: fs: Enable link security restrictions by default
Date: Fri, 02 Nov 2012 05:32:06 +0000
Bug-Debian: https://bugs.debian.org/609455
Forwarded: not-needed

This reverts commit 561ec64ae67ef25cac8d72bb9c4bfc955edfd415
('VFS: don't do protected {sym,hard}links by default').

[carnil: Refresh for context changes in 4.9.142 due to 0c41beebcdf9
("namei: allow restricted O_CREAT of FIFOs and regular files").]
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -890,8 +890,8 @@ static inline void put_link(struct namei
 		path_put(&last->link);
 }
 
-int sysctl_protected_symlinks __read_mostly = 0;
-int sysctl_protected_hardlinks __read_mostly = 0;
+int sysctl_protected_symlinks __read_mostly = 1;
+int sysctl_protected_hardlinks __read_mostly = 1;
 int sysctl_protected_fifos __read_mostly;
 int sysctl_protected_regular __read_mostly;