linux-kernel - [PATCH 0/2] ax25: fix NPD and UAF bugs when detaching ax25 device

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Message-Id: <cover.1643343397.git.duoming@zju.edu.cn>
Date:   Fri, 28 Jan 2022 12:47:14 +0800
From:   Duoming Zhou <duoming@....edu.cn>
To:     linux-hams@...r.kernel.org
Cc:     jreuter@...na.de, ralf@...ux-mips.org, davem@...emloft.net,
        kuba@...nel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, Duoming Zhou <duoming@....edu.cn>
Subject: [PATCH 0/2] ax25: fix NPD and UAF bugs when detaching ax25 device

There are NPD and UAF bugs when detaching ax25 device, we
use lock and refcount to mitigate these bugs.

Duoming Zhou (2):
  ax25: improve the incomplete fix to avoid UAF and NPD bugs
  ax25: add refcount in ax25_dev to avoid UAF bugs

 include/net/ax25.h    | 10 ++++++++++
 net/ax25/af_ax25.c    | 11 ++++++++---
 net/ax25/ax25_dev.c   | 12 ++++++++++--
 net/ax25/ax25_route.c |  3 +++
 4 files changed, 31 insertions(+), 5 deletions(-)

-- 
2.17.1