linux-kernel - [PATCH 2/2] CVE-2024-56642: Fix mention of wrong function.

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Message-ID: <20250218143732.11095-2-siddh.raman.pant@oracle.com>
Date: Tue, 18 Feb 2025 20:07:32 +0530
From: Siddh Raman Pant <siddh.raman.pant@...cle.com>
To: Greg KH <gregkh@...uxfoundation.org>
Cc: linux-kernel <linux-kernel@...r.kernel.org>
Subject: [PATCH 2/2] CVE-2024-56642: Fix mention of wrong function.

The function which waits is tipc_exit_net(), which has the spinning
while loop at the end.

Signed-off-by: Siddh Raman Pant <siddh.raman.pant@...cle.com>
---
 cve/published/2024/CVE-2024-56642.diff | 11 +++++++++++
 1 file changed, 11 insertions(+)
 create mode 100644 cve/published/2024/CVE-2024-56642.diff

diff --git a/cve/published/2024/CVE-2024-56642.diff b/cve/published/2024/CVE-2024-56642.diff
new file mode 100644
index 000000000000..b31d3694986c
--- /dev/null
+++ b/cve/published/2024/CVE-2024-56642.diff
@@ -0,0 +1,11 @@
+--- a/CVE-2024-56642.mbox
++++ b/CVE-2024-56642.mbox
+@@ -18,7 +18,7 @@ When bearer_disable() calls tipc_udp_disable(), cleanup
+ of the UDP kernel socket is deferred by work calling
+ cleanup_bearer().
+ 
+-tipc_net_stop() waits for such works to finish by checking
++tipc_exit_net() waits for such works to finish by checking
+ tipc_net(net)->wq_count.  However, the work decrements the
+ count too early before releasing the kernel socket,
+ unblocking cleanup_net() and resulting in use-after-free.
-- 
2.47.2