Red Hat update for DPDK

1) Information disclosure

EUVDB-ID: #VU12658

Risk: Low

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-1059

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

Exploit availability: No

Description

The vulnerability allows an adjacent attacker to obtain potentially sensitive information on the target system.

The weakness exists in the DPDK vhost-user interface due to improper check to verify that all the requested guest physical range is mapped and contiguous when performing Guest Physical Addresses to Host Virtual Addresses translations. An adjacent attacker can gain access to vhost-user backend process memory.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Red Hat Enterprise Linux Fast Datapath: 7

Red Hat Virtualization Manager: 4.1

Red Hat Virtualization: 4 - 4.1

CPE2.3

• cpe:2.3:a:red_hat:red_hat_enterprise_linux_fast_datapath:7:*:*:*:*:*:*:*
• cpe:2.3:a:red_hat:red_hat_virtualization_manager:4.1:*:*:*:*:*:*:*
• cpe:2.3:a:red_hat:red_hat_virtualization:4:*:*:*:*:*:*:*
• cpe:2.3:a:red_hat:red_hat_virtualization:4.1:*:*:*:*:*:*:*

External links

https://access.redhat.com/errata/RHSA-2018:1267

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.