[dpdk-dev] [dpdk-security] DPDK security advisory: CVE-2019-14818

[Ferruh Yigit]

On 11/12/2019 3:15 PM, Ferruh Yigit wrote:
> A vulnerability was fixed in DPDK.
> 
> Some downstream stakeholders were warned in advance in order to coordinate the
> release of fixes and reduce the vulnerability window.
> 
> Problem:
> A malicious container which has direct access to the vhost-user socket can keep
> sending messages which may cause leaking resources until resulting a DOS.
> 
> All users of the vhost library are strongly encouraged to upgrade as soon as
> possible.
> 
> CVE-2019-14818
> Bugzilla: https://bugs.dpdk.org/show_bug.cgi?id=363
> Severity: Medium
> CVSS scores: 6.8
> 
> 
> 
> Commits:
> main repo
> https://git.dpdk.org/dpdk/commit/?id=612e17cf6d7b
> https://git.dpdk.org/dpdk/commit/?id=bf472259dde6
> 
> 19.08.1
> https://git.dpdk.org/dpdk-stable/commit/?h=19.08&id=fa674d08985f
> https://git.dpdk.org/dpdk-stable/commit/?h=19.08&id=6547dd563ea9
> 
> 18.11.4 (LTS)
> https://git.dpdk.org/dpdk-stable/commit/?h=18.11&id=70583a6b9b1c
> https://git.dpdk.org/dpdk-stable/commit/?h=18.11&id=f8898927bb16
> 
> 17.11.8 (LTS)
> https://git.dpdk.org/dpdk-stable/commit/?h=17.11&id=3b1b44a1c82a
> https://git.dpdk.org/dpdk-stable/commit/?h=17.11&id=8a8dbd0ec19e
> https://git.dpdk.org/dpdk-stable/commit/?h=17.11&id=1f6147d9a01f
> 
> 16.11.10 (LTS EOL)
> https://git.dpdk.org/dpdk-stable/commit/?h=16.11&id=5fbb5c2919b6
> https://git.dpdk.org/dpdk-stable/commit/?h=16.11&id=3863340f93b8
> https://git.dpdk.org/dpdk-stable/commit/?h=16.11&id=8790f4c3bcd2
> https://git.dpdk.org/dpdk-stable/commit/?h=16.11&id=1bf11cfb7c7c
> 

A regression has been found on the above commits when VHOST_USER_VRING_NOFD_MASK
is set, there is a suggested fix [1], review and testing is going on.
We are planning to have an update tomorrow.

Sorry for the inconvenience caused.

[1]
https://patches.dpdk.org/patch/62956/