linux-kernel - [PATCH 6/7] pohmelfs/connector: Disallow unpliviged users to configure pohmelfs

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <1255426098-9411-7-git-send-email-philipp.reisner@linbit.com>
Date:	Tue, 13 Oct 2009 11:28:17 +0200
From:	Philipp Reisner <philipp.reisner@...bit.com>
To:	Greg KH <greg@...ah.com>
Cc:	linux-kernel@...r.kernel.org, serue@...ibm.com,
	Philipp Reisner <philipp.reisner@...bit.com>
Subject: [PATCH 6/7] pohmelfs/connector: Disallow unpliviged users to configure pohmelfs

Signed-off-by: Philipp Reisner <philipp.reisner@...bit.com>
(cherry picked from commit 0179065b13b354cc0b940e7a632a65ec0448beff)
---
 drivers/staging/pohmelfs/config.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/drivers/staging/pohmelfs/config.c b/drivers/staging/pohmelfs/config.c
index 1b4d564..d8ec47a 100644
--- a/drivers/staging/pohmelfs/config.c
+++ b/drivers/staging/pohmelfs/config.c
@@ -450,6 +450,9 @@ static void pohmelfs_cn_callback(struct cn_msg *msg, struct netlink_skb_parms *n
 {
 	int err;
 
+	if (!cap_raised(nsp->eff_cap, CAP_SYS_ADMIN))
+		return;
+
 	switch (msg->flags) {
 		case POHMELFS_FLAGS_ADD:
 		case POHMELFS_FLAGS_DEL:
-- 
1.6.0.4

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/