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CentOS Linux 7.9 [CIQ] Security Update: bpftool / kernel / kernel-abi-whitelists / kernel-debug / etc Multiple Vulnerabilities (ciqsa-2026_1586)

medium Nessus Plugin ID 363149

Synopsis

The CentOS Linux host is missing one or more security updates.

Description

The CentOS Linux 7.9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ ciqsa-2026_1586 advisory.

 This advisory aggregates security fixes for the kernel SRPM in CIQ CentOS Bridge 7.9. It addresses 3 CVEs:
 CVE-2026-53196, CVE-2026-53266, CVE-2025-39964.

Tenable has extracted the preceding description block directly from the CIQ 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 packages based on the guidance in CIQ advisory ciqsa-2026_1586.

See Also

https://github.com/ctrliq/advisories

http://www.nessus.org/u?1b10ee04

http://www.nessus.org/u?38338a94

http://www.nessus.org/u?4ae09656

http://www.nessus.org/u?5bfaff65

Plugin Details

Severity: Medium

ID: 363149

File Name: ciq_centos_7_9_ciqsa-2026_1586.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 10/6/2026

Updated: 10/6/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Critical

Score: 9.3

Percentile: 99.82

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 6

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2026-53196

CVSS v3

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 6.3

Vector: CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:F/RL:O/RC:C

Vulnerability Information

Required KB Items: Host/OS/extended-third-party, Host/local_checks_enabled, Host/CentOS/release, Host/CentOS/rpm-list, Host/cpu

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 10/6/2026

Vulnerability Publication Date: 10/10/2025

CISA Known Exploited Vulnerability Due Dates: 9/21/2026

Reference Information

CVE: CVE-2025-39964, CVE-2026-53196, CVE-2026-53266