The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:36645 advisory.

    The kernel packages contain the Linux kernel, the core of any Linux operating     system.

    Security Fix(es):

    * kernel: eventpoll: defer struct eventpoll free to RCU grace period     (CVE-2026-43074)

    * kernel: eventpoll: fix ep_remove struct eventpoll / struct file UAF     (CVE-2026-46242)

    * kernel: Linux kernel: netfilter: ebtables SNAT target writes to shared memory pages during ARP hardware     address rewrite (CVE-2026-53266)

    Bug Fix(es) and Enhancement(s):

    * kernel: Linux kernel: netfilter: ebtables SNAT target writes to shared memory pages during ARP hardware     address rewrite [rhel-9.8.z] (JIRA:RHEL-182344)

    * [RHEL 9] Bonding reports unknown speed/duplex for tg3 interface [rhel-9.8.z] (JIRA:RHEL-182768)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, 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 9 : kernel update (Important) (RHSA-2026:36645)

high Nessus Plugin ID 325736

Version 1.3

Version 1.2

Version 1.1

Version 1.3 Sep 19, 2026, 6:50 AM CISA reference CVSS temporal metrics ("CVSSv2 temporal vector" set to "CVSS2#E:F/RL:OF/RC:C") CVSS temporal metrics ("CVSSv3 temporal vector" set to "CVSS:3.0/E:F/RL:O/RC:C") Plugin Feed: 202609190650
Version 1.2 Aug 25, 2026, 5:40 AM CVSS metrics ("CVSSv2 score" set to 6.8) CVSS metrics ("CVSSv2 vector" set to "CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C") CVSSv2 severity (based on CVE-2026-53266, severity decreased from "High" to "Medium") Plugin Feed: 202608250540
Version 1.1 Jul 9, 2026, 7:08 AM New Plugin Feed: 202607090708