Vulners
Lucene search
CVE-2021-46977 KVM: VMX: Disable preemption when probing user return MSRs
| Reporter | Title | Published | Views | Family All 20 |
|---|---|---|---|---|
 | Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.10-2022-002 (ALASKERNEL-5.10-2022-002) | 2 May 202200:00 | – | nessus |
| RHEL 6 : kernel (Unpatched Vulnerability) | 11 May 202400:00 | – | nessus |
| RHEL 7 : kernel (Unpatched Vulnerability) | 11 May 202400:00 | – | nessus |
| TencentOS Server 4: kernel (TSSA-2024:0958) | 16 Jun 202500:00 | – | nessus |
| Linux Distros Unpatched Vulnerability : CVE-2021-46977 | 15 Aug 202500:00 | – | nessus |
 | Important: kernel | 28 Jan 202200:00 | – | amazon |
 | The vulnerability of the kvm_pv_send_ipi() function in the arch/x86/include/asm/kvm_host.h module on the Linux operating system’s x86 kernel platform allows a attacker to cause a service failure. | 7 Apr 202500:00 | – | bdu_fstec |
 | CVE-2021-46977 | 29 Feb 202410:11 | – | circl |
 | Linux kernel security vulnerabilities | 28 Feb 202400:00 | – | cnnvd |
 | CVE-2021-46977 | 28 Feb 202408:13 | – | cve |
10
[
{
"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_host.h",
"arch/x86/kvm/vmx/vmx.c",
"arch/x86/kvm/x86.c"
],
"versions": [
{
"version": "4be5341026246870818e28b53202b001426a5aec",
"lessThan": "31f29749ee970c251b3a7e5b914108425940d089",
"status": "affected",
"versionType": "git"
},
{
"version": "4be5341026246870818e28b53202b001426a5aec",
"lessThan": "5adcdeb57007ccf8ab7ac20bf787ffb6fafb1a94",
"status": "affected",
"versionType": "git"
},
{
"version": "4be5341026246870818e28b53202b001426a5aec",
"lessThan": "e3ea1895df719c4ef87862501bb10d95f4177bed",
"status": "affected",
"versionType": "git"
},
{
"version": "4be5341026246870818e28b53202b001426a5aec",
"lessThan": "5104d7ffcf24749939bea7fdb5378d186473f890",
"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_host.h",
"arch/x86/kvm/vmx/vmx.c",
"arch/x86/kvm/x86.c"
],
"versions": [
{
"version": "5.5",
"status": "affected"
},
{
"version": "0",
"lessThan": "5.5",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.10.38",
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.11.22",
"lessThanOrEqual": "5.11.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.12.5",
"lessThanOrEqual": "5.12.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.13",
"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
11 May 2026 13:45Current
8.6High risk
Vulners AI Score8.6
EPSS0.00232