2015-03-29 18:36:37 +01:00
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diff --git a/kernel/kmod.c b/kernel/kmod.c
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2015-04-16 00:21:02 +01:00
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index a689506..30747b4 100644
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2015-03-29 18:36:37 +01:00
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--- a/kernel/kmod.c
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+++ b/kernel/kmod.c
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2016-02-27 18:54:55 +00:00
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@@ -294,10 +294,8 @@ static int ____call_usermodehelper(void *data)
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2013-11-26 22:08:51 +00:00
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out the path to be used prior to this point and are now operating
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on that copy
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*/
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- if ((strncmp(sub_info->path, "/sbin/", 6) && strncmp(sub_info->path, "/usr/lib/", 9) &&
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2014-03-15 16:31:39 +00:00
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- strncmp(sub_info->path, "/lib/", 5) && strncmp(sub_info->path, "/lib64/", 7) &&
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2015-04-16 00:21:02 +01:00
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- strncmp(sub_info->path, "/usr/libexec/", 13) && strncmp(sub_info->path, "/usr/bin/", 9) &&
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2014-03-15 16:31:39 +00:00
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- strcmp(sub_info->path, "/usr/share/apport/apport")) || strstr(sub_info->path, "..")) {
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2015-04-16 00:21:02 +01:00
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+ if ((strncmp(sub_info->path, "/sbin/", 6) && strncmp(sub_info->path, "/nix/store/", 11) &&
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+ strncmp(sub_info->path, "/run/current-system/systemd/lib/", 32)) || strstr(sub_info->path, "..")) {
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printk(KERN_ALERT "grsec: denied exec of usermode helper binary %.950s located outside of permitted system paths\n", sub_info->path);
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2013-11-26 22:08:51 +00:00
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retval = -EPERM;
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2015-03-29 18:15:31 +01:00
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goto out;
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