Out-of-bounds write in DPDK - CVE-2021-3839

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Main Vulnerability Database Vulnerabilities #VU63625

Out-of-bounds write in DPDK - CVE-2021-3839

Published: May 25, 2022 / Updated: May 25, 2022


Vulnerability identifier: #VU63625
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:U/U:Clear
CVE-ID: CVE-2021-3839
CWE-ID: CWE-787
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
DPDK
Software vendor:
DPDK Project

Description

The vulnerability allows a local user to execute arbitrary code with elevated privileges.

The vulnerability exists due to vhost_user_set_inflight_fd() function does not validate msg->payload.inflight.num_queues. A local user can trigger out-of-bounds write and execute arbitrary code with elevated privileges.


Remediation

Install updates from vendor's website.

External links