Resource management error in DPDK - CVE-2022-2132

 

Resource management error in DPDK - CVE-2022-2132

Published: August 31, 2022


Vulnerability identifier: #VU66871
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:U/U:Green
CVE-ID: CVE-2022-2132
CWE-ID: CWE-399
Exploitation vector: Adjecent network
Exploit availability: No public exploit available
Vendor: DPDK Project
Affected software:
DPDK

Detailed vulnerability description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper management of internal resources within the copy_desc_to_mbuf() function when processing Vhost header. A remote guest can send a packet with the Vhost header crossing more than two descriptors and force application to allocate all available mbufs, causing a denial of service condition for the other guest running on the hypervisor.


How to mitigate CVE-2022-2132

Install updates from vendor's website.

Sources