Lucene search
K
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
API Reference
Support
Settings
Sign in

The vulnerability of the tun_free_netdev() function in Linux kernel-based TUN/TAP virtual network drivers allows a attacker to cause service failure or gain increased privileges.

🗓️ 03 Apr 2023 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec
 bdu_fstec🔗 bdu.fstec.ru👁 3 Views

Vulnerability in Linux tun_free_netdev() in TUN/TAP drivers allows repeated memory release, causing service failure or privilege escalation.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: Multiple Vulnerabilities in CloudPak for AIOps
26 Mar 202504:06
–ibm
IBM Security Bulletins		Security Bulletin: IBM Technical Suppport Appliance - possible security flaws or denial of service
21 Nov 202421:27
–ibm
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.10-2022-020 (ALASKERNEL-5.10-2022-020)
14 Oct 202200:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.4-2023-044 (ALASKERNEL-5.4-2023-044)
1 May 202300:00
–nessus
Tenable Nessus		Alibaba Cloud Linux 3 : 0042: cloud-kernel bugfix, enhancement and (ALINUX3-SA-2023:0042)
14 May 202500:00
–nessus
Tenable Nessus		Alibaba Cloud Linux 3 : 0079: cloud-kernel bugfix, enhancement and (ALINUX3-SA-2023:0079)
14 May 202500:00
–nessus
Tenable Nessus		AlmaLinux 9 : kernel-rt (ALSA-2023:1469)
27 Mar 202300:00
–nessus
Tenable Nessus		AlmaLinux 9 : kernel (ALSA-2023:1470)
27 Mar 202300:00
–nessus
Tenable Nessus		AlmaLinux 9 : kpatch-patch (ALSA-2023:1471)
27 Mar 202300:00
–nessus
Tenable Nessus		CentOS 9 : kernel-5.14.0-347.el9
29 Feb 202400:00
–nessus
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
19 Aug 2025 00:00Current
6.6Medium risk
Vulners AI Score6.6
CVSS 26.8
CVSS 37.8
EPSS0.00456
tun_free_netdevlinux kerneltun tap driversmemory release bugprivilege escalationservice failure
3