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Message-ID: <20210510042443.GA19253@lorien.valinor.li>
Date: Mon, 10 May 2021 06:24:43 +0200
From: Salvatore Bonaccorso <carnil@...ian.org>
To: oss-security@...ts.openwall.com
Cc: Nadav Markus <nmarkus@...oaltonetworks.com>,
Or Cohen <orcohen@...oaltonetworks.com>
Subject: Re: CVE-2021-23133: Linux kernel: race condition in
sctp sockets
Hi,
On Sun, Apr 18, 2021 at 11:41:06AM +0300, Or Cohen wrote:
> Hello,
>
> This is an announcement about CVE-2021-23133 which is a race-condition
> I found in Linux kernel sctp sockets (net/sctp/socket.c). It can lead to kernel
> privilege escalation from the context of a network service or from
> an unprivileged process if certain conditions are met.
>
> The bug was fixed on April 13, 2021:
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b166a20b07382b8bc1dcee2a448715c9c2c81b5b
It looks that additionally
https://git.kernel.org/linus/34e5b01186858b36c4d7c87e1a025071e8e2401f
refer to CVE-2021-23133.
Are both commits necessary?
Regards,
Salvatore
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