Detections
Analytics
Oracle Linux 8 : ELSA-2026-65147-0: / microcode_ctl (ELSA-2026-651470)
high Nessus Plugin ID 346889
Synopsis
The remote Oracle Linux host is missing one or more security updates.Description
The remote Oracle Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the ELSA-2026-651470 advisory.- Security advisories:
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01379.html CVE-2025-31936 https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01404.html CVE-2025-31938 https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01423.html CVE-2026-20917 https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01428.html CVE-2025-35973 https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01435.html CVE-2026-20716 https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01441.html CVE-2026-20760 https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01442.html CVE-2026-20713, CVE-2026-20901 https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01443.html CVE-2026-20707
Tenable has extracted the preceding description block directly from the Oracle 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.
Solution
Update the affected microcode_ctl package.See Also
Plugin Details
Severity: High
ID: 346889
File Name: oraclelinux_ELSA-2026-651470.nasl
Version: 1.1
Type: Local
Agent: unix
Published: 9/17/2026
Updated: 9/17/2026
Supported Sensors: Continuous Assessment, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.8
Percentile: 57.82
CVSS v2
Risk Factor: Medium
Base Score: 5.3
Temporal Score: 3.9
Vector: CVSS2#AV:L/AC:H/Au:M/C:C/I:C/A:N
CVSS Score Source: CVE-2025-35973
CVSS v3
Risk Factor: High
Base Score: 7.2
Temporal Score: 6.3
Vector: CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
CVSS v4
Risk Factor: High
Base Score: 7
Threat Score: 3.7
Threat Vector: CVSS:4.0/E:U
Vector: CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
CVSS Score Source: CVE-2025-31936
Vulnerability Information
CPE: cpe:/o:oracle:linux:8, cpe:/o:oracle:linux:8:10:baseos_patch, p-cpe:/a:oracle:linux:microcode_ctl
Required KB Items: Host/OracleLinux, Host/RedHat/release, Host/RedHat/rpm-list, Host/local_checks_enabled
Exploit Ease: No known exploits are available
Patch Publication Date: 9/16/2026
Vulnerability Publication Date: 8/11/2026
Reference Information
CVE: CVE-2025-31936, CVE-2025-35973