CVEvulnerability
CVE-2021-3839
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2022-08-23
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-125, CWE-787
Description
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.
Affected configurations
• dpdk data plane development kit (< 22.03)
• dpdk data plane development kit 22.03
• fedoraproject fedora 35
• redhat enterprise linux 7.0
• redhat enterprise linux 8.0
• redhat enterprise linux 9.0
• redhat enterprise linux fast datapath 7.0
• redhat enterprise linux fast datapath 8.0
Related
References
- https://access.redhat.com/security/cve/CVE-2021-3839 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2025882 Issue Tracking, Patch, Third Party Advisory
- https://github.com/DPDK/dpdk/commit/6442c329b9d2ded0f44b27d2016aaba8ba5844c5 Patch, Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2021-3839 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2025882 Issue Tracking, Patch, Third Party Advisory
- https://github.com/DPDK/dpdk/commit/6442c329b9d2ded0f44b27d2016aaba8ba5844c5 Patch, Third Party Advisory