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.

CVSS v3.0 7.5 HIGH

7.5^/10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
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

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:dpdk:data_plane_development_kit::::::::
	cpe:2.3:a:dpdk:data_plane_development_kit:22.03:rc2::::::
	cpe:2.3:a:dpdk:data_plane_development_kit:22.03:rc3::::::
	cpe:2.3:a:dpdk:data_plane_development_kit:22.03:rc1::::::

Configuration 2 (hide)

cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*

Configuration 3 (hide)

OR	cpe:2.3:o:redhat:enterprise_linux:7.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux:8.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux:9.0:::::::*

Configuration 4 (hide)

OR	cpe:2.3:a:redhat:enterprise_linux_fast_datapath:7.0:::::::*
	cpe:2.3:a:redhat:enterprise_linux_fast_datapath:8.0:::::::*

Information

Published : 2022-08-23 09:15

Updated : 2022-08-26 12:24

NVD link : CVE-2021-3839

Mitre link : CVE-2021-3839

JSON object : View

CWE

CWE-125

Out-of-bounds Read

CWE-787

Out-of-bounds Write

Products Affected

redhat

enterprise_linux
enterprise_linux_fast_datapath

dpdk

data_plane_development_kit

fedoraproject

fedora

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7.5 /10