Permissions, Privileges, and Access Controls in DPDK - CVE-2020-14375

Vulnerability identifier: #VU47309

CSH Severity: Medium

CVSS v4: 8.6 [CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2020-14375

CWE-ID: CWE-264

Exploitation vector: Adjecent network

Exploit availability: No public exploit available

The vulnerability allows a remote user to compromise the host OS.

The vulnerability exists due to Virtio ring descriptors and the data they describe are in a region of memory accessible by from both the virtual machine and the host. An attacker with access to the guest OS can change the contents of the memory after vhost_crypto has validated it and execute arbitrary code on the host OS.

DPDK
Opensuse
openEuler
Ubuntu
dpdk (Ubuntu package)
dpdk
dpdk-doc
dpdk-devel
dpdk-debugsource
dpdk-debuginfo
dpdk-tools

Install updates from vendor's website.

DPDK - addressed in versions 18.11.10, 19.11.5
dpdk (Ubuntu package) - update to 19.11.3-0ubuntu0.2
dpdk - update to 19.11-5
dpdk-doc - update to 19.11-5
dpdk-devel - update to 19.11-5
dpdk-debugsource - update to 19.11-5
dpdk-debuginfo - update to 19.11-5
dpdk-tools - update to 19.11-5

• http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00004.html
• http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00006.html
• https://bugzilla.redhat.com/show_bug.cgi?id=1879468
• https://usn.ubuntu.com/4550-1/
• https://www.openwall.com/lists/oss-security/2020/09/28/3

• Multiple vulnerabilities in dpdk
• OpenSUSE Linux update for dpdk
• OpenSUSE Linux update for dpdk
• openEuler 20.03 LTS update for dpdk
• Ubuntu update for dpdk