Red Hat Enterprise Linux 9.0 Extended Update Support update for dpdk

1) Resource management error

EUVDB-ID: #VU66871

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 - Resource Management Errors

Exploit availability: No

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

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions: 9.0

Red Hat Enterprise Linux for ARM 64 - Extended Update Support: 9.0

Red Hat Enterprise Linux for Power, little endian - Extended Update Support: 9.0

Red Hat Enterprise Linux for x86_64 - Extended Update Support: 9.0

dpdk (Red Hat package): before 21.11-2.el9_0

CPE2.3

• cpe:2.3:o:red_hat:red_hat_enterprise_linux_server_for_ibm_power_le_-_update_services_for_sap_solutions:9.0:*:*:*:*:*:*:*
• cpe:2.3:o:red_hat:red_hat_enterprise_linux_for_arm_64_-_extended_update_support:9.0:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:o:red_hat:red_hat_enterprise_linux_for_power_little_endian_-_extended_update_support:9.0:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:o:red_hat:red_hat_enterprise_linux_for_x86_64_-_extended_update_support:9.0:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:o:red_hat:dpdk_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*

External links

https://access.redhat.com/errata/RHSA-2023:0172

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.