#VU66871 Resource management error in DPDK - CVE-2022-2132
Vulnerability identifier: #VU66871
Vulnerability risk: Medium
CVSSv4.0: 5.6 [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: Local network
Exploit availability: No
Vulnerable software:
DPDK
Server applications /
Frameworks for developing and running applications
Vendor: DPDK Project
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.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
DPDK: 19.02 - 19.11.12, 20.02 - 20.11.5, 21.02 - 21.11.1
External links
https://bugs.dpdk.org/show_bug.cgi?id=1031
https://www.openwall.com/lists/oss-security/2022/08/29/4
https://git.dpdk.org/dpdk/commit/?id=71bd0cc536ad6d84188d947d6f24c17400d8f623
https://git.dpdk.org/dpdk/commit/?id=dc1516e260a0df272b218392faf6db3cbf45e717
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
