The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:15976 advisory.

    This is a kernel live patch module which can be loaded by the kpatch command line utility to modify the     code of a running kernel.  This patch module is targeted for kernel-4.18.0-553.40.1.el8_10.

    Security Fix(es):

    * kernel: crypto: algif_aead - Revert to operating out-of-place (CVE-2026-31431)

    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 this issue but has instead relied only on the application's self-reported version number.

Detections

Analytics

RHEL 8 : kpatch-patch-4_18_0-553_109_1, kpatch-patch-4_18_0-553_40_1, kpatch-patch-4_18_0-553_53_1, kpatch-patch-4_18_0-553_72_1, and kpatch-patch-4_18_0-553_85_1 (RHSA-2026:15976)

high Nessus Plugin ID 314161

Version 1.2

Version 1.1

Version 1.2 May 12, 2026, 8:32 AM Exploit attributes ("Exploit framework core" set to "True") Exploit attributes ("Exploit framework metasploit" set to "True") Exploit attributes ("Exploited by malware" set to "True") Plugin Feed: 202605120832
Version 1.1 May 11, 2026, 8:26 PM New Plugin Feed: 202605112026