linux-kernel - Re: CVE-2023-52666: ksmbd: fix potential circular locking issue in smb2_set

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Date: Tue, 11 Jun 2024 19:30:20 +0800
From: Wang Zhaolong <wangzhaolong1@...wei.com>
To: <cve@...nel.org>, <linux-kernel@...r.kernel.org>,
	<linux-cve-announce@...r.kernel.org>
CC: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: CVE-2023-52666: ksmbd: fix potential circular locking issue in
 smb2_set_ea()


> 
> The Linux kernel CVE team recommends that you update to the latest
> stable kernel version for this, and many other bugfixes.  Individual
> changes are never tested alone, but rather are part of a larger kernel
> release.  Cherry-picking individual commits is not recommended or
> supported by the Linux kernel community at all.  If however, updating to
> the latest release is impossible, the individual changes to resolve this
> issue can be found at these commits:
> 	https://git.kernel.org/stable/c/5349fd419e4f685d609c85b781f2b70f0fb14848
> 	https://git.kernel.org/stable/c/e61fc656ceeaec65f19a92f0ffbeb562b7941e8d
> 	https://git.kernel.org/stable/c/e9ec6665de8f706b4f4133b87b2bd02a159ec57b
> 	https://git.kernel.org/stable/c/ecfd93955994ecc2a1308f5ee4bd90c7fca9a8c6
> 	https://git.kernel.org/stable/c/6fc0a265e1b932e5e97a038f99e29400a93baad0

Hello.

Is this a valid CVE patch?

I noticed that the introduced `get_write` is not being used within the
function, and there are no follow-up patches addressing this.

Best regards,

Wang Zhaolong