A vulnerability was found in DPDK through version 19.11, A malicious container which has direct access to the vhost-user socket can keep sending VHOST_USER_GET_INFLIGHT_FD messages which may cause leaking resources until resulting a DoS. Leaking resources being both file descriptors and virtual memory.
Acknowledgments: Name: Ferruh Yigit (Reporter)
Removed OpenStack 7 affects and added missing affects for OpenStack and Fast Datapath. Only openvswitch2.13+ ships dpdk v19.11+.
inflight messages (VHOST_USER_GET_INFLIGHT_FD and VHOST_USER_SET_INFLIGHT_FD) were added in upstream version 19.11 via the following commit: -> https://git.dpdk.org/dpdk/commit/?id=d87f1a1cb7b666550bb53e39c1d85d9f7b861e6f
Statement: The versions of DPDK as shipped with Red Hat Enterprise Linux 7 were not affected by this flaw, as they did not include support for the inflight share memory feature, which was introduced in a later version of the package. This issue did not affect the versions of Ceph as shipped with Red Hat Ceph Storage 3 and 4, as they did not include support for DPDK.
External References: https://www.openwall.com/lists/oss-security/2020/05/18/2 https://bugs.dpdk.org/show_bug.cgi?id=271
Created dpdk tracking bugs for this issue: Affects: fedora-all [bug 1837060]
Upstream fixes: https://git.dpdk.org/dpdk/commit/?id=549de54c4f9fd36b2b11f3df7e81bf2567a2d526 https://git.dpdk.org/dpdk/commit/?id=e7debf602633feb26227cdc8cc7fdd1b1b40946a
This issue has been addressed in the following products: Fast Datapath for Red Hat Enterprise Linux 8 Via RHSA-2020:2295 https://access.redhat.com/errata/RHSA-2020:2295
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s): https://access.redhat.com/security/cve/cve-2020-10726
This issue has been addressed in the following products: Red Hat Enterprise Linux 8 Via RHSA-2020:4806 https://access.redhat.com/errata/RHSA-2020:4806