From: Pavel Machek <pavel@denx.de>
To: cip-dev@lists.cip-project.org
Subject: Re: [cip-dev] New CVE entry this week
Date: Thu, 14 Oct 2021 08:55:45 +0200 [thread overview]
Message-ID: <20211014065545.GA18251@amd> (raw)
In-Reply-To: <CAODzB9qOyXSQ=P0x1CrPEC1=mCW3PUN4_Zx9hp0ZPpZWbM1WUw@mail.gmail.com>
[-- Attachment #1: Type: text/plain, Size: 1244 bytes --]
Hi!
> * New CVEs
>
> CVE-2021-0935: bug is in ipv6 and l2tp code.
>
> This CVE addresses two commits, one in the ipv6 stack and the other in l2tp.
> There is two introduced commits one is 85cb73f ("net: ipv6: reset
> daddr and dport in sk if connect() fails") was merged in 4.12 and the
> other commit 3557baa ("[L2TP]: PPP over L2TP driver core") was merged
> in 2.6.23-rc1.
>
> Fixed commits have been merged since 4.16-rc7 so 4.16 or later kernels
> don't affect this vulnerability.
>
> Commit 2f987a76("net: ipv6: keep sk status consistent after datagram
> connect failure") fixes 85cb73f and commit b954f940("l2tp: fix races
> with ipv4-mapped ipv6 addresses") fixes commit 3557baa.
>
> To apply patches to 4.4, it needs to fix conflicts.
>
> CVSS v3 score is not provided.
>
> Fixed status
>
> mainline: [2f987a76a97773beafbc615b9c4d8fe79129a7f4,
> b954f94023dcc61388c8384f0f14eb8e42c863c5]
> stable/4.4: not fixed yet
Others are fixed, but this one may be worth watching. Fortunately it
is not remote attack, AFAICT.
Best regards,
Pavel
--
DENX Software Engineering GmbH, Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
[-- Attachment #2: Digital signature --]
[-- Type: application/pgp-signature, Size: 181 bytes --]
WARNING: multiple messages have this Message-ID (diff)
From: "Pavel Machek" <pavel@denx.de>
To: cip-dev@lists.cip-project.org
Subject: Re: [cip-dev] New CVE entry this week
Date: Thu, 14 Oct 2021 08:55:45 +0200 [thread overview]
Message-ID: <20211014065545.GA18251@amd> (raw)
Message-ID: <20211014065545.8UBwMqPyAuqvT0-ttQaz_eMS75wWm-r2eAOcUTbug3s@z> (raw)
In-Reply-To: <CAODzB9qOyXSQ=P0x1CrPEC1=mCW3PUN4_Zx9hp0ZPpZWbM1WUw@mail.gmail.com>
[-- Attachment #1.1: Type: text/plain, Size: 1244 bytes --]
Hi!
> * New CVEs
>
> CVE-2021-0935: bug is in ipv6 and l2tp code.
>
> This CVE addresses two commits, one in the ipv6 stack and the other in l2tp.
> There is two introduced commits one is 85cb73f ("net: ipv6: reset
> daddr and dport in sk if connect() fails") was merged in 4.12 and the
> other commit 3557baa ("[L2TP]: PPP over L2TP driver core") was merged
> in 2.6.23-rc1.
>
> Fixed commits have been merged since 4.16-rc7 so 4.16 or later kernels
> don't affect this vulnerability.
>
> Commit 2f987a76("net: ipv6: keep sk status consistent after datagram
> connect failure") fixes 85cb73f and commit b954f940("l2tp: fix races
> with ipv4-mapped ipv6 addresses") fixes commit 3557baa.
>
> To apply patches to 4.4, it needs to fix conflicts.
>
> CVSS v3 score is not provided.
>
> Fixed status
>
> mainline: [2f987a76a97773beafbc615b9c4d8fe79129a7f4,
> b954f94023dcc61388c8384f0f14eb8e42c863c5]
> stable/4.4: not fixed yet
Others are fixed, but this one may be worth watching. Fortunately it
is not remote attack, AFAICT.
Best regards,
Pavel
--
DENX Software Engineering GmbH, Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
[-- Attachment #1.2: Digital signature --]
[-- Type: application/pgp-signature, Size: 181 bytes --]
[-- Attachment #2: Type: text/plain, Size: 429 bytes --]
-=-=-=-=-=-=-=-=-=-=-=-
Links: You receive all messages sent to this group.
View/Reply Online (#6824): https://lists.cip-project.org/g/cip-dev/message/6824
Mute This Topic: https://lists.cip-project.org/mt/86301612/4520388
Group Owner: cip-dev+owner@lists.cip-project.org
Unsubscribe: https://lists.cip-project.org/g/cip-dev/leave/10495289/4520388/727948398/xyzzy [cip-dev@archiver.kernel.org]
-=-=-=-=-=-=-=-=-=-=-=-
next prev parent reply other threads:[~2021-10-14 6:55 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-13 23:54 New CVE entry this week Masami Ichikawa
2021-10-13 23:54 ` [cip-dev] " Masami Ichikawa
2021-10-14 6:55 ` Pavel Machek [this message]
2021-10-14 6:55 ` Pavel Machek
-- strict thread matches above, loose matches on Subject: below --
2021-10-21 1:21 Masami Ichikawa
2021-10-21 8:41 ` [cip-dev] " nobuhiro1.iwamatsu
2021-10-21 12:05 ` Masami Ichikawa
2021-10-07 0:59 Masami Ichikawa
2021-10-07 0:59 ` [cip-dev] " Masami Ichikawa
2021-10-07 7:30 ` Pavel Machek
2021-10-07 7:30 ` Pavel Machek
2021-10-07 11:38 ` Masami Ichikawa
2021-10-07 11:38 ` Masami Ichikawa
2021-09-30 0:12 Masami Ichikawa
2021-09-30 0:12 ` [cip-dev] " Masami Ichikawa
2021-09-30 6:33 ` nobuhiro1.iwamatsu
2021-09-30 6:33 ` Nobuhiro Iwamatsu
2021-09-30 12:11 ` Masami Ichikawa
2021-09-30 12:11 ` Masami Ichikawa
2021-09-23 1:52 Masami Ichikawa
2021-09-16 0:43 Masami Ichikawa
2021-09-16 4:55 ` Nobuhiro Iwamatsu
2021-09-09 2:39 Masami Ichikawa
2021-09-09 6:41 ` Pavel Machek
2021-09-09 12:23 ` Masami Ichikawa
[not found] ` <CAMLqsBZCbrdOaxhuc81kvZsinS+_bFPp2tpmuVnczC1EXCA3Zg@mail.gmail.com>
2021-09-10 0:40 ` Masami Ichikawa
2021-09-02 1:05 Masami Ichikawa
2021-09-02 6:27 ` Pavel Machek
2021-09-02 7:10 ` Nobuhiro Iwamatsu
2021-09-02 12:17 ` Masami Ichikawa
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20211014065545.GA18251@amd \
--to=pavel@denx.de \
--cc=cip-dev@lists.cip-project.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).