linux-kernel - Re: [PATCH] scsi: Fix a use after free in st

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: <161586434245.11995.9802602851023582228.b4-ty@oracle.com>
Date:   Mon, 15 Mar 2021 23:13:57 -0400
From:   "Martin K. Petersen" <martin.petersen@...cle.com>
To:     Lv Yunlong <lyl2019@...l.ustc.edu.cn>, jejb@...ux.ibm.com,
        Kai.Makisara@...umbus.fi
Cc:     "Martin K . Petersen" <martin.petersen@...cle.com>,
        linux-kernel@...r.kernel.org, linux-scsi@...r.kernel.org
Subject: Re: [PATCH] scsi: Fix a use after free in st_open

On Wed, 10 Mar 2021 22:46:36 -0800, Lv Yunlong wrote:

> In st_open, if STp->in_use is true, STp will be freed by
> scsi_tape_put(). However, STp is still used by DEBC_printk()
> after. It is better to DEBC_printk() before scsi_tape_put().

Applied to 5.12/scsi-fixes, thanks!

[1/1] scsi: Fix a use after free in st_open
      https://git.kernel.org/mkp/scsi/c/c8c165dea4c8

-- 
Martin K. Petersen	Oracle Linux Engineering