vulnerability

Alma Linux: CVE-2021-3839: Important: dpdk security and bug fix update (ALSA-2022-8263)

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Severity

CVSS

(AV:N/AC:L/Au:N/C:N/I:N/A:C)

Published

Aug 23, 2022

Added

Nov 21, 2022

Modified

Apr 17, 2026

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.

Solutions

alma-upgrade-dpdkalma-upgrade-dpdk-develalma-upgrade-dpdk-docalma-upgrade-dpdk-tools

References

CVE-2021-3839
https://attackerkb.com/topics/CVE-2021-3839
CWE-125
CWE-787
EUVD-EUVD-2021-27085
https://errata.almalinux.org/9/ALSA-2022-8263.html
https://euvd.enisa.europa.eu/vulnerability/EUVD-2021-27085

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