CVE-2021-47639 KVM: x86/mmu: Zap _all_ roots when unmapping gfn range in TDP MMU
| Reporter | Title | Published | Views | Family All 64 |
|---|---|---|---|---|
 | Astra Linux – Vulnerability in Linux 5.15 | 24 Aug 202610:19 | – | astralinux |
 | Linux KVM TDP MMU Put Root Heap Buffer Overflow DoS | 14 Apr 202500:00 | – | bdu_fstec |
 | Linux Kernel Security Vulnerabilities | 26 Feb 202500:00 | – | cnnvd |
 | CVE-2021-47639 | 26 Feb 202501:54 | – | cve |
 | CVE-2021-47639 | 26 Feb 202501:54 | – | debiancve |
 | EUVD-2021-34665 | 3 Oct 202520:07 | – | euvd |
 | CVE-2021-47639 | 26 Feb 202506:37 | – | nvd |
 | SUSE: Security Advisory (SUSE-SU-2025:1027-1) | 28 Mar 202500:00 | – | openvas |
| SUSE: Security Advisory (SUSE-SU-2025:1241-1) | 16 Apr 202500:00 | – | openvas |
 | DEBIAN-CVE-2021-47639 | 26 Feb 202506:37 | – | osv_debian |
10
[
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"arch/x86/kvm/mmu/tdp_mmu.c"
],
"versions": [
{
"version": "b7cccd397f310739fb85383033e95580f99927e0",
"lessThan": "af47248407c0c5ae52a752af1ab5ce5b0db91502",
"status": "affected",
"versionType": "git"
},
{
"version": "b7cccd397f310739fb85383033e95580f99927e0",
"lessThan": "0c8a8da182d4333d9bbb9131d765145568c847b2",
"status": "affected",
"versionType": "git"
},
{
"version": "b7cccd397f310739fb85383033e95580f99927e0",
"lessThan": "8cf6f98ab1d16d5e607635a0c21c4231eb15367e",
"status": "affected",
"versionType": "git"
},
{
"version": "b7cccd397f310739fb85383033e95580f99927e0",
"lessThan": "d62007edf01f5c11f75d0f4b1e538fc52a5b1982",
"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/kvm/mmu/tdp_mmu.c"
],
"versions": [
{
"version": "5.13",
"status": "affected"
},
{
"version": "0",
"lessThan": "5.13",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.15.33",
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.16.19",
"lessThanOrEqual": "5.16.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.17.2",
"lessThanOrEqual": "5.17.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.18",
"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
05 Aug 2026 08:48Current
CVSS 3.17.8
EPSS0.00252
SSVC