The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2019:1594 advisory.

    The redhat-virtualization-host packages provide the Red Hat Virtualization Host. These packages include     redhat-release-virtualization-host, ovirt-node, and rhev-hypervisor. Red Hat Virtualization Hosts (RHVH)     are installed using a special build of Red Hat Enterprise Linux with only the packages required to host     virtual machines. RHVH features a Cockpit user interface for monitoring the host's resources and     performing administrative tasks.

    Security Fix(es):

    * Kernel: tcp: integer overflow while processing SACK blocks allows remote denial of service     (CVE-2019-11477)

    * Kernel: tcp: excessive resource consumption while processing SACK blocks allows remote denial of service     (CVE-2019-11478)

    * kernel: tcp: excessive resource consumption for TCP connections with low MSS allows remote denial of     service (CVE-2019-11479)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgements, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Detections

Analytics

RHEL 7 : redhat-virtualization-host (RHSA-2019:1594)

high Nessus Plugin ID 126301

Version 1.9

Version 1.8

Version 1.6

Version 1.9 Nov 7, 2024, 2:42 AM CVSS metrics ("Cvssv4 score" set to 0.0) CVSSv2 severity (based on None, severity decreased from "High" to "Low") Plugin metadata Plugin Feed: 202411070242
Version 1.8 Jun 3, 2024, 4:41 PM Detection (updated detection logic) Plugin metadata Plugin Feed: 202406031641
Version 1.6 Dec 6, 2022, 1:01 AM Reference Plugin Feed: 202212060101