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-2025-21839

🗓️ 07 Mar 2025 09:09:58Reported by LinuxType 
cve
 cve🔗 web.nvd.nist.gov👁 139 Views

KVM fixes bug loading guest value into DR6, preventing stale values during VM-Exit in Linux kernel.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
Tenable Nessus		AlmaLinux 9 : kernel (ALSA-2025:20518)
19 Nov 202500:00
–nessus
Tenable Nessus		Azure Linux 3.0 Security Update: kernel (CVE-2025-21839)
22 Jan 202600:00
–nessus
Tenable Nessus		Debian dla-4271 : linux-config-6.1 - security update
13 Aug 202500:00
–nessus
Tenable Nessus		Debian dsa-5925 : affs-modules-6.1.0-33-4kc-malta-di - security update
24 May 202500:00
–nessus
Tenable Nessus		MiracleLinux 9 : kernel-5.14.0-611.5.1.el9_7 (AXSA:2025-11493:94)
13 Jan 202600:00
–nessus
Tenable Nessus		Oracle Linux 8 / 9 : Unbreakable Enterprise kernel (ELSA-2025-20470)
16 Jul 202500:00
–nessus
Tenable Nessus		Oracle Linux 10 / 9 : Unbreakable Enterprise kernel (ELSA-2025-20480)
18 Jul 202500:00
–nessus
Tenable Nessus		Oracle Linux 9 : ELSA-2025-20518-0: / kernel (ELSA-2025-205180)
25 Nov 202500:00
–nessus
Tenable Nessus		Oracle Linux 10 / 9 : Unbreakable Enterprise kernel (ELSA-2025-20530)
19 Aug 202500:00
–nessus
Tenable Nessus		Photon OS 5.0: Linux PHSA-2025-5.0-0521
19 May 202500:00
–nessus
Rows per page
NVD
Vulners
CNA
Node
linuxlinux_kernelRange5.7.1–5.15.182
OR
linuxlinux_kernelRange5.16–6.1.138
OR
linuxlinux_kernelRange6.2–6.6.90
OR
linuxlinux_kernelRange6.7–6.12.16
OR
linuxlinux_kernelRange6.13–6.13.4
OR
linuxlinux_kernelMatch5.7-
OR
linuxlinux_kernelMatch5.7rc6
OR
linuxlinux_kernelMatch5.7rc7
OR
linuxlinux_kernelMatch6.14rc1
OR
linuxlinux_kernelMatch6.14rc2
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/x86/include/asm/kvm-x86-ops.h",
      "arch/x86/include/asm/kvm_host.h",
      "arch/x86/kvm/svm/svm.c",
      "arch/x86/kvm/vmx/main.c",
      "arch/x86/kvm/vmx/vmx.c",
      "arch/x86/kvm/vmx/x86_ops.h",
      "arch/x86/kvm/x86.c"
    ],
    "versions": [
      {
        "version": "d67668e9dd76d98136048935723947156737932b",
        "lessThan": "9efb2b99b96c86664bbdbdd2cdb354ac9627eb20",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d67668e9dd76d98136048935723947156737932b",
        "lessThan": "93eeb6df1605b3a24f38afdba7ab903ba6b64133",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d67668e9dd76d98136048935723947156737932b",
        "lessThan": "a1723e9c53fe6431415be19302a56543daf503f5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d67668e9dd76d98136048935723947156737932b",
        "lessThan": "4eb063de686bfcdfd03a8c801d1bbe87d2d5eb55",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d67668e9dd76d98136048935723947156737932b",
        "lessThan": "d456de38d9eb753a4e9fde053c18d4ef8e485339",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d67668e9dd76d98136048935723947156737932b",
        "lessThan": "c2fee09fc167c74a64adb08656cb993ea475197e",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/x86/include/asm/kvm-x86-ops.h",
      "arch/x86/include/asm/kvm_host.h",
      "arch/x86/kvm/svm/svm.c",
      "arch/x86/kvm/vmx/main.c",
      "arch/x86/kvm/vmx/vmx.c",
      "arch/x86/kvm/vmx/x86_ops.h",
      "arch/x86/kvm/x86.c"
    ],
    "versions": [
      {
        "version": "5.7",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.7",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.182",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.138",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.90",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.16",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.13.4",
        "lessThanOrEqual": "6.13.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.14",
        "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
11 May 2026 21:07Current
7High risk
Vulners AI Score7
CVSS 3.15.5
EPSS0.00025
kvm fix for dr6linux kernel vulnerabilityvm-exit stale valuehardware dr6 loading error.
139