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 a result of this vulnerability.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
redhatCNA
---
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 26%
VendorProductVersion
dpdkdata_plane_development_kit
𝑥
< 22.03
dpdkdata_plane_development_kit
22.03:rc1
dpdkdata_plane_development_kit
22.03:rc2
dpdkdata_plane_development_kit
22.03:rc3
redhatenterprise_linux
7.0
redhatenterprise_linux
8.0
redhatenterprise_linux
9.0
redhatenterprise_linux_fast_datapath
7.0
redhatenterprise_linux_fast_datapath
8.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
dpdk
bullseye
20.11.10-1~deb11u1
fixed
buster
not-affected
stretch
not-affected
bullseye (security)
20.11.6-1~deb11u1
fixed
bookworm
22.11.5-1~deb12u1
fixed
sid
23.11.2-2
fixed
trixie
23.11.2-2
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
dpdk
kinetic
Fixed 21.11.1-0ubuntu0.3
released
jammy
Fixed 21.11.1-0ubuntu0.3
released
impish
Fixed 20.11.5-0ubuntu1
released
focal
Fixed 19.11.12-0ubuntu0.20.04.1
released
bionic
not-affected
xenial
not-affected
Common Weakness Enumeration
References
https://access.redhat.com/security/cve/CVE-2021-3839
https://bugzilla.redhat.com/show_bug.cgi?id=2025882
https://github.com/DPDK/dpdk/commit/6442c329b9d2ded0f44b27d2016aaba8ba5844c5
https://access.redhat.com/security/cve/CVE-2021-3839
https://bugzilla.redhat.com/show_bug.cgi?id=2025882
https://github.com/DPDK/dpdk/commit/6442c329b9d2ded0f44b27d2016aaba8ba5844c5