From: Kevin Traynor <ktraynor@redhat.com>
To: Maxime Coquelin <maxime.coquelin@redhat.com>,
dev@dpdk.org, stable@dpdk.org
Cc: Jason Wang <jasowang@redhat.com>
Subject: Re: [dpdk-stable] [v18.11 PATCH v2 1/2] vhost: fix possible denial of service on SET_VRING_NUM
Date: Tue, 12 Nov 2019 15:29:18 +0000 [thread overview]
Message-ID: <3beaf04d-215b-1f80-932b-ca65b793dcad@redhat.com> (raw)
In-Reply-To: <20191112151932.27470-1-maxime.coquelin@redhat.com>
On 12/11/2019 15:19, Maxime Coquelin wrote:
> vhost_user_set_vring_num() performs multiple allocations
> without checking whether data were previously allocated.
>
> It may cause a denial of service because of the memory leaks
> that happen if a malicious vhost-user master keeps sending
> VHOST_USER_SET_VRING_NUM request until the slave runs out
> of memory.
>
> This issue has been assigned CVE-2019-14818
>
> Reported-by: Jason Wang <jasowang@redhat.com>
> Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com>
> ---
Applied, thanks.
prev parent reply other threads:[~2019-11-12 15:29 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <b45c3416-0b1d-0ee4-89eb-c23a69e7cef3@intel.com>
2019-11-12 15:18 ` [dpdk-stable] [v16.11 PATCH v2 1/4] vhost: validate virtqueue size Maxime Coquelin
2019-11-12 15:18 ` [dpdk-stable] [v16.11 PATCH v2 2/4] vhost: add number of fds to vhost-user messages Maxime Coquelin
2019-11-12 15:18 ` [dpdk-stable] [v16.11 PATCH v2 3/4] vhost: fix possible denial of service on SET_VRING_NUM Maxime Coquelin
2019-11-12 15:18 ` [dpdk-stable] [v16.11 PATCH v2 4/4] vhost: fix possible denial of service by leaking FDs Maxime Coquelin
2019-11-12 15:19 ` [dpdk-stable] [v17.11 PATCH v2 1/4] vhost: validate virtqueue size Maxime Coquelin
2019-11-12 15:19 ` [dpdk-stable] [v17.11 PATCH v2 2/4] vhost: add number of fds to vhost-user messages Maxime Coquelin
2019-11-12 15:19 ` [dpdk-stable] [v17.11 PATCH v2 3/4] vhost: fix possible denial of service on SET_VRING_NUM Maxime Coquelin
2019-11-12 15:19 ` [dpdk-stable] [v17.11 PATCH v2 4/4] vhost: fix possible denial of service by leaking FDs Maxime Coquelin
2019-11-12 15:19 ` [dpdk-stable] [v18.11 PATCH v2 1/2] vhost: fix possible denial of service on SET_VRING_NUM Maxime Coquelin
2019-11-12 15:19 ` [dpdk-stable] [v18.11 PATCH v2 2/2] vhost: fix possible denial of service by leaking FDs Maxime Coquelin
2019-11-12 15:29 ` Kevin Traynor
2019-11-12 15:29 ` Kevin Traynor [this message]
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=3beaf04d-215b-1f80-932b-ca65b793dcad@redhat.com \
--to=ktraynor@redhat.com \
--cc=dev@dpdk.org \
--cc=jasowang@redhat.com \
--cc=maxime.coquelin@redhat.com \
--cc=stable@dpdk.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).