Out-of-bounds Read in Dpdk Data_plane_development_kit
CVE-2021-3839
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…
Vulnerability class: Buffer Overflow
EPSS: 0.012 (64.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Dpdk Data_plane_development_kit — versions 22.03
- Fedoraproject Fedora — versions 35
- Redhat Enterprise_linux — versions 7.0, 8.0, 9.0
- Redhat Enterprise_linux_fast_datapath — versions 7.0, 8.0
- N/a Dpdk — versions Fixed in dpdk v22.03
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)
- secalert@redhat.com (Third Party Advisory, x_refsource_MISC)
- secalert@redhat.com (Patch, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-3839?
- CVE-2021-3839 is a high-severity vulnerability in Dpdk Data_plane_development_kit, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2022-08-23.
- How severe is CVE-2021-3839?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2021-3839 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.