>From bd076c7245d02be0cc01b7c09bd7170ec5946492 Mon Sep 17 00:00:00 2001
From: Serge E. Hallyn <[EMAIL PROTECTED]>
Date: Sun, 17 Feb 2008 20:28:07 -0500
Subject: [PATCH 1/1] file capabilities: simplify signal check

Simplify the uid equivalence check in cap_task_kill().  Anyone
can kill a process owned by the same uid.

Without this patch wireshark is reported to fail.

Signed-off-by: Serge E. Hallyn <[EMAIL PROTECTED]>
Signed-off-by: Andrew G. Morgan <[EMAIL PROTECTED]>
---
 security/commoncap.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/security/commoncap.c b/security/commoncap.c
index 5aba826..bb0c095 100644
--- a/security/commoncap.c
+++ b/security/commoncap.c
@@ -552,7 +552,7 @@ int cap_task_kill(struct task_struct *p, struct siginfo 
*info,
         * allowed.
         * We must preserve legacy signal behavior in this case.
         */
-       if (p->euid == 0 && p->uid == current->uid)
+       if (p->uid == current->uid)
                return 0;
 
        /* sigcont is permitted within same session */
-- 
1.5.1.1.GIT

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

Reply via email to