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The vulnerability of the nested_vmx_check_guest_state() function in the arch/x86/kvm/vmx/nested.c module of the Linux KVM virtualization subsystem allows a attacker to cause a system failure in the guest operating system.

🗓️ 20 Apr 2023 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec
 bdu_fstec🔗 bdu.fstec.ru👁 4 Views

Vulnerability in nested_vmx_check_guest_state in Linux KVM allows exploitation of CR0 and CR1 to crash guests.

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IBM Security Bulletins		Security Bulletin: Vulnerabilities in Linux Kernel and Apache Axis can affect IBM Storage Protect Plus
31 Jan 202411:50
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IBM Security Bulletins		Security Bulletin: Vulnerabilities in Linux Kernel might affect IBM Spectrum Copy Data Management
12 Jan 202416:31
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Tenable Nessus		Amazon Linux 2023 : bpftool, kernel, kernel-devel (ALAS2023-2023-148)
4 Apr 202300:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel (ALAS-2024-2581)
24 Jun 202400:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.10-2024-059 (ALASKERNEL-5.10-2024-059)
11 Jun 202400:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.15-2023-019 (ALASKERNEL-5.15-2023-019)
6 Jun 202300:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.4-2024-070 (ALASKERNEL-5.4-2024-070)
11 Jun 202400:00
–nessus
Tenable Nessus		Amazon Linux AMI : kernel (ALAS-2024-1942)
24 Jun 202400:00
–nessus
Tenable Nessus		Alibaba Cloud Linux 3 : 0048: cloud-kernel bugfix, enhancement and (ALINUX3-SA-2023:0048)
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
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19 Aug 2025 00:00Current
6.6Medium risk
Vulners AI Score6.6
CVSS 36.5
CVSS 26.8
EPSS0.0047
nested_vmx_check_guest_statearch x86linux kvmcr zerocr oneguest crash
4