CVE-2021-3839
dpdk - security update
7.5
HIGH
CVSS 3.1
EPSS 0.59%
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.
How to fix CVE-2021-3839
To remediate CVE-2021-3839, upgrade the affected package to a fixed version below.
- —upgrade to 20.11.5-1~deb11u1 or later
- —upgrade to 20.11.5-1~deb11u1 or later
Is CVE-2021-3839 being exploited?
Low — EPSS is 0.6%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 20.11.5-1~deb11u1
- from 0, < 20.11.5-1~deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |