Vulnerabilities > CVE-2021-3839 - Out-of-bounds Write vulnerability in multiple products
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
NONE Integrity impact
NONE Availability impact
HIGH Summary
A flaw was found in the vhost library in DPDK. Function vhost_user_set_inflight_fd() does not validate `msg->payload.inflight.num_queues`, possibly causing out-of-bounds memory read/write. Any software using DPDK vhost library may crash as a result of this vulnerability.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
References
- https://access.redhat.com/security/cve/CVE-2021-3839
- https://access.redhat.com/security/cve/CVE-2021-3839
- https://bugzilla.redhat.com/show_bug.cgi?id=2025882
- https://bugzilla.redhat.com/show_bug.cgi?id=2025882
- https://github.com/DPDK/dpdk/commit/6442c329b9d2ded0f44b27d2016aaba8ba5844c5
- https://github.com/DPDK/dpdk/commit/6442c329b9d2ded0f44b27d2016aaba8ba5844c5