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

CVE-2025-39946

🗓️ 04 Oct 2025 07:31:07Reported by LinuxType 
cve
 cve🔗 web.nvd.nist.gov📰️ 1 Media mentions👁 471 Views

TLS in the Linux kernel aborts the stream on invalid headers to prevent overflow when parsing invalid records.

Related
Detection
Affected
Refs
Social
ReporterTitlePublishedViews
Family
GithubExploit		Exploit for CVE-2025-39946
4 Oct 202519:39
–githubexploit
Tenable Nessus		Amazon Linux 2023 : bpftool, kernel, kernel-devel (ALAS2023-2025-1223)
15 Oct 202500:00
–nessus
Tenable Nessus		Amazon Linux 2023 : bpftool6.12, kernel6.12, kernel6.12-devel (ALAS2023-2025-1254)
28 Oct 202500:00
–nessus
Tenable Nessus		Debian dla-4379 : linux-config-6.1 - security update
25 Nov 202500:00
–nessus
Tenable Nessus		Debian dsa-6053 : affs-modules-6.1.0-37-4kc-malta-di - security update
11 Nov 202500:00
–nessus
Tenable Nessus		openSUSE 16 Security Update : kernel (openSUSE-SU-2025-20081-1)
2 Dec 202500:00
–nessus
Tenable Nessus		Oracle Linux 10 / 9 : Unbreakable Enterprise kernel (ELSA-2025-20719)
24 Oct 202500:00
–nessus
Tenable Nessus		Oracle Linux 10 : kernel (ELSA-2025-21118)
4 Dec 202500:00
–nessus
Tenable Nessus		Oracle Linux 10 : kernel (ELSA-2025-21463)
4 Dec 202500:00
–nessus
Tenable Nessus		Oracle Linux 10 : kernel (ELSA-2025-21931)
8 Dec 202500:00
–nessus
Rows per page
NVD
Vulners
CNA
Node
linuxlinux_kernelRange6.0–6.1.154
OR
linuxlinux_kernelRange6.2–6.6.108
OR
linuxlinux_kernelRange6.7–6.12.49
OR
linuxlinux_kernelRange6.13–6.16.9
OR
linuxlinux_kernelMatch6.17rc1
OR
linuxlinux_kernelMatch6.17rc2
OR
linuxlinux_kernelMatch6.17rc3
OR
linuxlinux_kernelMatch6.17rc4
OR
linuxlinux_kernelMatch6.17rc5
OR
linuxlinux_kernelMatch6.17rc6
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/tls/tls.h",
      "net/tls/tls_strp.c",
      "net/tls/tls_sw.c"
    ],
    "versions": [
      {
        "version": "84c61fe1a75b4255df1e1e7c054c9e6d048da417",
        "lessThan": "b36462146d86b1f22e594fe4dae611dffacfb203",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "84c61fe1a75b4255df1e1e7c054c9e6d048da417",
        "lessThan": "4cefe5be73886f383639fe0850bb72d5b568a7b9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "84c61fe1a75b4255df1e1e7c054c9e6d048da417",
        "lessThan": "208640e6225cc929a05adbf79d1df558add3e231",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "84c61fe1a75b4255df1e1e7c054c9e6d048da417",
        "lessThan": "61ca2da5fb8f433ce8bbd1657c84a86272133e6b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "84c61fe1a75b4255df1e1e7c054c9e6d048da417",
        "lessThan": "0aeb54ac4cd5cf8f60131b4d9ec0b6dc9c27b20d",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/tls/tls.h",
      "net/tls/tls_strp.c",
      "net/tls/tls_sw.c"
    ],
    "versions": [
      {
        "version": "6.0",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.0",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.154",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.108",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.49",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.16.9",
        "lessThanOrEqual": "6.16.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.17",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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
17 Jun 2026 09:18Current
6.4Medium risk
Vulners AI Score6.4
CVSS 3.15.5 - 9.8
EPSS0.09072
SSVC
linux kerneltransport layer securityabort streaminvalid recordcve 2025 39946
471