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RedhatCVE
RedhatCVE
added 2026/04/20 7:22 p.m.11 views

CVE-2026-40572

NovumOS is a custom 32-bit operating system written in Zig and x86 Assembly. In versions prior to 0.24, Syscall 15 MemoryMapRange allows Ring 3 user-mode processes to map arbitrary virtual address ranges into their address space without validating against forbidden regions, including critical...

9CVSS5.8AI score0.00213EPSS
SaveExploits1References1
Cvelist
Cvelist
added 2026/04/20 12:0 a.m.34 views

CVE-2026-29647

In OpenXiangShan NEMU, insufficient Smstateen permission enforcement allows lower-privileged code to access IMSIC state via stopei/vstopei CSRs even when mstateen0.IMSIC is cleared, potentially enabling cross-context information leakage or disruption of interrupt handling...

0.00231EPSS
SaveExploits0References3
CVE
CVE
added 2026/04/20 12:0 a.m.30 views

CVE-2026-29647

CVE-2026-29647 affects OpenXiangShan NEMU. The issue is insufficient Smstateen permission enforcement, allowing lower-privileged code to access IMSIC state via stopei/vstopei CSRs even when mstateen0.IMSIC is cleared. This can enable cross-context information leakage or disruption of interrupt ha...

6.5CVSS5.8AI score0.00231EPSS
SaveExploits0References3
CNNVD
CNNVD
added 2026/04/20 12:0 a.m.13 views

NEMU 安全漏洞

NEMU is an open-source teaching system simulator developed by XiangShan. NEMU has a security vulnerability, which stems from insufficient Smstateen permissions. This vulnerability may allow low-privilege code access to IMSIC state, potentially leading to cross-context information leaks or...

6.5CVSS5.8AI score0.00231EPSS
SaveExploits0References2
Vulnrichment
Vulnrichment
added 2026/04/20 12:0 a.m.5 views

CVE-2026-29647

In OpenXiangShan NEMU, insufficient Smstateen permission enforcement allows lower-privileged code to access IMSIC state via stopei/vstopei CSRs even when mstateen0.IMSIC is cleared, potentially enabling cross-context information leakage or disruption of interrupt handling...

5.8AI score0.00231EPSS
SaveExploits0References3
CVE
CVE
added 2026/04/20 12:0 a.m.12 views

CVE-2026-29646

OpenXiangShan NEMU is affected by CVE-2026-29646 prior to the 55295c4 commit. With RVH (Hypervisor extension) enabled, a VS-mode guest write to the supervisor interrupt-enable CSR (sie) may be handled incorrectly, potentially influencing the machine-level interrupt enable (mie) state. This underm...

9.8CVSS5.7AI score0.00365EPSS
SaveExploits0References7
Positive Technologies
Positive Technologies
added 2026/04/20 12:0 a.m.19 views

PT-2026-33839

In OpenXiangShan NEMU prior to 55295c4, when running with RVH Hypervisor extension enabled, a VS-mode guest write to the supervisor interrupt-enable CSR sie may be handled incorrectly and can influence machine-level interrupt enable state mie. This breaks privilege/virtualization isolation and ca...

9.8CVSS5.7AI score0.00365EPSS
SaveExploits0References10
ATTACKERKB
ATTACKERKB
added 2026/04/20 12:0 a.m.5 views

CVE-2026-29647

In OpenXiangShan NEMU, insufficient Smstateen permission enforcement allows lower-privileged code to access IMSIC state via stopei/vstopei CSRs even when mstateen0.IMSIC is cleared, potentially enabling cross-context information leakage or disruption of interrupt handling...

5.8AI score0.00231EPSS
SaveExploits0References4
ATTACKERKB
ATTACKERKB
added 2026/04/20 12:0 a.m.7 views

CVE-2026-26399

A stack-use-after-return issue exists in the ArduinoCoreSTM32 library prior to version 1.7.0. The pwmstart function allocates a TIMHandleTypeDef structure on the stack and passes its address to HAL initialization routines, where it is stored in a global timer handle registry. After the function...

5.8AI score0.00179EPSS
SaveExploits0References3
ATTACKERKB
ATTACKERKB
added 2026/04/20 12:0 a.m.6 views

CVE-2026-29646

In OpenXiangShan NEMU prior to 55295c4, when running with RVH Hypervisor extension enabled, a VS-mode guest write to the supervisor interrupt-enable CSR sie may be handled incorrectly and can influence machine-level interrupt enable state mie. This breaks privilege/virtualization isolation and ca...

5.7AI score0.00365EPSS
SaveExploits0References8
Positive Technologies
Positive Technologies
added 2026/04/20 12:0 a.m.14 views

PT-2026-33840

In OpenXiangShan NEMU, insufficient Smstateen permission enforcement allows lower-privileged code to access IMSIC state via stopei/vstopei CSRs even when mstateen0.IMSIC is cleared, potentially enabling cross-context information leakage or disruption of interrupt handling...

6.5CVSS5.8AI score0.00231EPSS
SaveExploits0References5
Cvelist
Cvelist
added 2026/04/20 12:0 a.m.39 views

CVE-2026-29646

In OpenXiangShan NEMU prior to 55295c4, when running with RVH Hypervisor extension enabled, a VS-mode guest write to the supervisor interrupt-enable CSR sie may be handled incorrectly and can influence machine-level interrupt enable state mie. This breaks privilege/virtualization isolation and ca...

0.00365EPSS
SaveExploits0References7
EUVD
EUVD
added 2026/04/18 12:16 a.m.8 views

EUVD-2026-23640

NovumOS is a custom 32-bit operating system written in Zig and x86 Assembly. In versions prior to 0.24, Syscall 15 MemoryMapRange allows Ring 3 user-mode processes to map arbitrary virtual address ranges into their address space without validating against forbidden regions, including critical...

9CVSS5.8AI score0.00213EPSS
SaveExploits1References2
CNNVD
CNNVD
added 2026/04/18 12:0 a.m.12 views

NovumOS 安全漏洞

NovumOS is an 32-bit protected mode operating system developed by MinecAnton209. Versions of NovumOS prior to 0.24 contained security vulnerabilities. These vulnerabilities stemmed from system call 15, which allowed Ring 3 user-mode processes to map arbitrary virtual address ranges into their own...

9CVSS5.9AI score0.00213EPSS
SaveExploits1References2
Cvelist
Cvelist
added 2026/04/17 11:51 p.m.44 views

CVE-2026-40337 Sentry kernel has incomplete ownership check for IRQ line manipulation

The Sentry kernel is a high security level micro-kernel implementation made for high security embedded systems. A given task with one of the DEV or IO capability is able to interact with another task's IRQ line through the sysint syscall familly. Prior to version 0.4.7, this can lead to DoS and...

5.1CVSS0.00155EPSS
SaveExploits0References3
Vulnrichment
Vulnrichment
added 2026/04/17 11:51 p.m.4 views

CVE-2026-40337 Sentry kernel has incomplete ownership check for IRQ line manipulation

The Sentry kernel is a high security level micro-kernel implementation made for high security embedded systems. A given task with one of the DEV or IO capability is able to interact with another task's IRQ line through the sysint syscall familly. Prior to version 0.4.7, this can lead to DoS and...

5.1CVSS5.8AI score0.00155EPSS
SaveExploits0References3
ATTACKERKB
ATTACKERKB
added 2026/04/17 11:51 p.m.12 views

CVE-2026-40337

The Sentry kernel is a high security level micro-kernel implementation made for high security embedded systems. A given task with one of the DEV or IO capability is able to interact with another task's IRQ line through the sysint syscall familly. Prior to version 0.4.7, this can lead to DoS and...

5.1CVSS5.8AI score0.00155EPSS
SaveExploits0References4Affected Software1
Tenable Nessus
Tenable Nessus
added 2026/04/17 12:0 a.m.7 views

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007260)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007260 advisory. In the Linux kernel, the following vulnerability has been resolved: vfio/pci: Lock external INTx masking ops Mask operations through config space changes to DisINTx...

7.8CVSS6.3AI score0.00196EPSS
SaveExploits0References4
Tenable Nessus
Tenable Nessus
added 2026/04/17 12:0 a.m.5 views

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007539)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007539 advisory. In the Linux kernel, the following vulnerability has been resolved: nbd: Fix hung when signal interrupts nbdstartdeviceioctl syzbot reported hung task 1. The followi...

5.5CVSS5.8AI score0.00147EPSS
SaveExploits0References4
Tenable Nessus
Tenable Nessus
added 2026/04/17 12:0 a.m.8 views

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007533)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007533 advisory. In the Linux kernel, the following vulnerability has been resolved: gadgetfs: epio - wait until IRQ finishes after usbepqueue if waitforcompletioninterruptible is...

7.8CVSS6.1AI score0.00168EPSS
SaveExploits0References4
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