Lucene search
+L
Catalog
Vendors
Products
Timeline
Vulnerabilities
Sources
Documentation
Blog
Glossary
FAQ
Brand assets
Assessment
Agents dashboard
Agent Scanning
API Scanning
Assessment API
Alerts
Email notifications
Webhook notifications
Alerts API
SBOM package analysis
Assessment
Vulnerability Intelligence
Exploits
Alerts
Datasets
MCP
White Label
Security Automation SDK
MCP for AI Agents
Plans & Pricing
API Reference
Settings
Sign in

kernel: Linux kernel: Denial of Service due to use-after-free in act_tunnel_key

🗓️ 14 Oct 2026 22:05:45Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 2 Views

Local DoS in the Linux kernel act_tunnel_key module due to a use-after-free.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
nessus
Tenable Nessus		Amazon Linux 2 : kernel (ALASKERNEL-5.10-2026-130)
31 Aug 202600:00
–nessus
nessus
Tenable Nessus		Debian dla-4745 : ata-modules-6.12.100+deb12-armmp-di - security update
18 Aug 202600:00
–nessus
nessus
Tenable Nessus		Debian dla-4777 : ata-modules-6.1.0-52-armmp-di - security update
8 Sep 202600:00
–nessus
nessus
Tenable Nessus		openSUSE 16: cluster-md-kmp-64kb / cluster-md-kmp-azure / cluster-md-kmp-default / etc (openSUSE-SU-2026:21910-1)
25 Sep 202600:00
–nessus
nessus
Tenable Nessus		Oracle Linux 10 / 9 : Unbreakable Enterprise kernel (ELSA-2026-500248)
4 Sep 202600:00
–nessus
nessus
Tenable Nessus		Oracle Linux 8 / 9 : Unbreakable Enterprise kernel (ELSA-2026-500249)
4 Sep 202600:00
–nessus
nessus
Tenable Nessus		Oracle Linux 10 / 9 : Unbreakable Enterprise kernel (ELSA-2026-500374)
8 Oct 202600:00
–nessus
nessus
Tenable Nessus		Oracle Linux 8 / 9 : Unbreakable Enterprise kernel (ELSA-2026-500377)
7 Oct 202600:00
–nessus
nessus
Tenable Nessus		Photon OS 5.0: Linux PHSA-2026-5.0-92-0952
12 Aug 202600:00
–nessus
nessus
Tenable Nessus		RHEL 8 : kernel (RHSA-2026:83157)
14 Oct 202600:00
–nessus
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8.10x86_64kernel-rt4.18.0-553.174.1.rt7.515.el8_10kernel-rt-4.18.0-553.174.1.rt7.515.el8_10.x86_64.rpm
Red Hat Enterprise Linux8.10x86_64kernel-rt-core4.18.0-553.174.1.rt7.515.el8_10kernel-rt-core-4.18.0-553.174.1.rt7.515.el8_10.x86_64.rpm
Red Hat Enterprise Linux8.10x86_64kernel-rt-debug4.18.0-553.174.1.rt7.515.el8_10kernel-rt-debug-4.18.0-553.174.1.rt7.515.el8_10.x86_64.rpm
Red Hat Enterprise Linux8.10x86_64kernel-rt-debug-core4.18.0-553.174.1.rt7.515.el8_10kernel-rt-debug-core-4.18.0-553.174.1.rt7.515.el8_10.x86_64.rpm
Red Hat Enterprise Linux8.10x86_64kernel-rt-debug-debuginfo4.18.0-553.174.1.rt7.515.el8_10kernel-rt-debug-debuginfo-4.18.0-553.174.1.rt7.515.el8_10.x86_64.rpm
Red Hat Enterprise Linux8.10x86_64kernel-rt-debug-devel4.18.0-553.174.1.rt7.515.el8_10kernel-rt-debug-devel-4.18.0-553.174.1.rt7.515.el8_10.x86_64.rpm
Red Hat Enterprise Linux8.10x86_64kernel-rt-debug-kvm4.18.0-553.174.1.rt7.515.el8_10kernel-rt-debug-kvm-4.18.0-553.174.1.rt7.515.el8_10.x86_64.rpm
Red Hat Enterprise Linux8.10x86_64kernel-rt-debug-modules4.18.0-553.174.1.rt7.515.el8_10kernel-rt-debug-modules-4.18.0-553.174.1.rt7.515.el8_10.x86_64.rpm
Red Hat Enterprise Linux8.10x86_64kernel-rt-debug-modules-extra4.18.0-553.174.1.rt7.515.el8_10kernel-rt-debug-modules-extra-4.18.0-553.174.1.rt7.515.el8_10.x86_64.rpm
Red Hat Enterprise Linux8.10x86_64kernel-rt-debuginfo4.18.0-553.174.1.rt7.515.el8_10kernel-rt-debuginfo-4.18.0-553.174.1.rt7.515.el8_10.x86_64.rpm
Rows per page

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

Book a live demo
15 Oct 2026 05:24Current
6Medium risk
Vulners AI Score6
CVSS 3.17.8
EPSS0.00128
CWE-825
Linux kernelact_tunnel_keyuse-after-freeDoSlocal attack
2