linux-kernel - Re: [net-next] net: crypto set sk to NULL when af_alg

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: Windows password security audit tool. GUI, reports in PDF.

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

Message-ID: <e6185caf-4807-eb26-969b-b4f189b84f38@huawei.com>
Date:   Mon, 18 Feb 2019 10:33:01 +0800
From:   maowenan <maowenan@...wei.com>
To:     David Miller <davem@...emloft.net>
CC:     <netdev@...r.kernel.org>, <xiyou.wangcong@...il.com>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [net-next] net: crypto set sk to NULL when af_alg_release.



On 2019/2/18 7:42, David Miller wrote:
> From: Mao Wenan <maowenan@...wei.com>
> Date: Fri, 15 Feb 2019 22:24:15 +0800
> 
>> KASAN has found use-after-free in sockfs_setattr.
>> The existed commit 6d8c50dcb029 ("socket: close race condition between sock_close()
>> and sockfs_setattr()") is to fix this simillar issue, but it seems to ignore
>> that crypto module forgets to set the sk to NULL after af_alg_release.
> 
> Please target this at 'net' since this is a bug fix.

Thank you, I have sent the v2 patch targets to "net" mail list.

> 
> .
>