From: "Liming Gao" <liming.gao@intel.com>
To: "devel@edk2.groups.io" <devel@edk2.groups.io>,
"Armour, Nicholas" <nicholas.armour@intel.com>
Cc: "Wu, Jiaxin" <jiaxin.wu@intel.com>,
Maciej Rabeda <maciej.rabeda@linux.intel.com>,
"Fu, Siyuan" <siyuan.fu@intel.com>,
"Laszlo Ersek" <lersek@redhat.com>
Subject: Re: [edk2-devel] [PATCH 1/1] NetworkPkg/ArpDxe: Recycle invalid ARP packets(CVE-2019-14559).
Date: Mon, 17 Feb 2020 05:07:36 +0000 [thread overview]
Message-ID: <681fd8fac1d44da9b9422bdbe0633404@intel.com> (raw)
In-Reply-To: <bcb81b4d2751ce483cb06b4190046f9daa4fcb5e.1581551021.git.nicholas.armour@intel.com>
Jiaxin, Maciej and Siyuan:
I suggest to catch this CVE fix for edk2 Q1 stable tag. Can you help review this patch soon?
Thanks
Liming
> -----Original Message-----
> From: devel@edk2.groups.io <devel@edk2.groups.io> On Behalf Of Armour, Nicholas
> Sent: Thursday, February 13, 2020 7:54 AM
> To: devel@edk2.groups.io
> Cc: Armour, Nicholas <nicholas.armour@intel.com>; Wu, Jiaxin <jiaxin.wu@intel.com>; Maciej Rabeda
> <maciej.rabeda@linux.intel.com>; Fu, Siyuan <siyuan.fu@intel.com>
> Subject: [edk2-devel] [PATCH 1/1] NetworkPkg/ArpDxe: Recycle invalid ARP packets(CVE-2019-14559).
>
> REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2031
>
> This patch triggers the RecycleEvent for invalid ARP packets.
> Prior to this, we would just ignore invalid ARP packets,
> and never free them.
>
> Cc: Jiaxin Wu <jiaxin.wu@intel.com>
> Cc: Maciej Rabeda <maciej.rabeda@linux.intel.com>
> Cc: Siyuan Fu <siyuan.fu@intel.com>
> Signed-off-by: Nicholas Armour <nicholas.armour@intel.com>
> ---
> NetworkPkg/ArpDxe/ArpImpl.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/NetworkPkg/ArpDxe/ArpImpl.c b/NetworkPkg/ArpDxe/ArpImpl.c
> index 9cdb33f2bd66..09fc8811f125 100644
> --- a/NetworkPkg/ArpDxe/ArpImpl.c
> +++ b/NetworkPkg/ArpDxe/ArpImpl.c
> @@ -125,6 +125,7 @@ ArpOnFrameRcvdDpc (
> Head->OpCode = NTOHS (Head->OpCode);
>
> if (RxData->DataLength < (sizeof (ARP_HEAD) + 2 * Head->HwAddrLen + 2 * Head->ProtoAddrLen)) {
> + gBS->SignalEvent (RxData->RecycleEvent);
> goto RESTART_RECEIVE;
> }
>
> --
> 2.16.2.windows.1
>
>
>
next prev parent reply other threads:[~2020-02-17 5:07 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <cover.1581551021.git.nicholas.armour@intel.com>
2020-02-12 23:53 ` [PATCH 1/1] NetworkPkg/ArpDxe: Recycle invalid ARP packets(CVE-2019-14559) Armour, Nicholas
2020-02-17 5:07 ` Liming Gao [this message]
2020-02-17 5:15 ` Siyuan, Fu
2020-02-17 15:44 ` Maciej Rabeda
2020-02-17 7:50 ` [edk2-devel] " Laszlo Ersek
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-list 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=681fd8fac1d44da9b9422bdbe0633404@intel.com \
--to=devel@edk2.groups.io \
/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