Out-of-bounds write in DPDK - CVE-2021-3839
Published: May 25, 2022 / Updated: May 25, 2022
Vulnerability identifier: #VU63625
CSH Severity: Low
CVSS v4.0: 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
Vendor: DPDK Project
Affected software:
DPDK
DPDK
Detailed vulnerability 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.
How to mitigate CVE-2021-3839
Install updates from vendor's website.