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oss-secXen Security Advisory 490 v1 (CVE-2025-54518) - x86: CPU Opcode Cache corruption

First published (updated )
https://seclists.org/oss-sec/2026/q2/502

XEN Xen Hypervisorgrant table v2 race in status page mapping

Risk 69
Severity
7.8
First published (updated )
CVE-2026-23558

Xen Project xenstoredXenstored DoS via XS_RESET_WATCHES command

Risk 39
Severity
6.5
First published (updated )
CVE-2026-23557

oss-secXen Security Advisory 483 v2 (CVE-2026-23556) - oxenstod keeps quota lated use counts across domain destruction

First published (updated )
https://seclists.org/oss-sec/2026/q2/245

Xen Project xenstoredXenstored DoS by unprivileged domain

Risk 42
Severity
7.1
First published (updated )
CVE-2026-23555
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Xen Project XenUse after free of paging structures in EPT

Risk 69
Severity
7.8
First published (updated )
CVE-2026-23554

oss-secXen Security Advisory 480 v3 (CVE-2026-23554) - Use after fe of paging structus in EPT

First published (updated )
https://seclists.org/oss-sec/2026/q1/327

XEN Xenx86: incomplete IBPB for vCPU isolation

Risk 12
Severity
2.9
EPSS
0.02%
First published (updated )
CVE-2026-23553

Xen Project Xenx86: buffer overrun with shadow paging + tracing

Risk 76
Severity
8.8
First published (updated )
CVE-2025-58150

Xen Project Xen HypervisorIncorrect removal of permissions on PCI device unplug

Risk 46
Severity
7.5
First published (updated )
CVE-2025-58149
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XEN Xenx86: Incorrect input sanitisation in Viridian hypercalls

Risk 46
Severity
7.5
First published (updated )
CVE-2025-58148

XEN Xenx86: Incorrect input sanitisation in Viridian hypercalls

Risk 46
Severity
7.5
First published (updated )
CVE-2025-58147

Xen Project Xenx86: Incorrect stubs exception handling for flags recovery

Risk 24
Severity
4.3
First published (updated )
CVE-2025-27465

XEN Xendeadlock potential with VT-d and legacy PCI device pass-through

Risk 46
Severity
7.5
First published (updated )
CVE-2025-1713

XEN libxllibxl leaks data to PVH guests via ACPI tables

Risk 34
Severity
5.5
First published (updated )
CVE-2024-45819
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XEN Xenx86: Deadlock in vlapic_error()

Risk 54
Severity
7.3
First published (updated )
CVE-2024-45817

XEN Xen HypervisorPCI device pass-through with shared resources

Risk 63
Severity
7.5
First published (updated )
CVE-2024-31146

XEN Xenerror handling in x86 IOMMU identity mapping

Risk 63
Severity
7.5
First published (updated )
CVE-2024-31145

XEN Xendouble unlock in x86 guest IRQ handling

Risk 74
Severity
7.5
First published (updated )
CVE-2024-31143

XEN Xenx86: Incorrect logic for BTC/SRSO mitigations

Risk 70
Severity
7.5
First published (updated )
CVE-2024-31142
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Fedoraproject Fedorax86 HVM hypercalls may trigger Xen bug check

Risk 36
Severity
6.5
First published (updated )
CVE-2023-46842

XEN XenVT-d: Failure to quarantine devices in !HVM builds

Risk 24
Severity
4.1
First published (updated )
CVE-2023-46840

XEN Xen Hypervisorpci: phantom functions assigned to incorrect contexts

Risk 27
Severity
5.3
First published (updated )
CVE-2023-46839

redhat Enterprise LinuxXen Security Advisory 435 v1 (CVE-2022-40982) - x86/Intel: Gather Data Sampling

Risk 40
Severity
6.5
First published (updated )
CVE-2022-40982

XEN XenA use-after-free in AMD Zen2 Processors

Risk 36
Severity
5.5
First published (updated )
CVE-2023-20593
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Adsanityplugin Adsanity WordpressAdSanity < 1.8.2 - Authenticated Arbitrary File Upload

Risk 79
Severity
8.8
First published (updated )
CVE-2022-4949

Microsoft Windows 10Infoleak

Risk 38
Severity
6.5
First published (updated )
CVE-2022-29900

redhat/kernelLast updated 25 April 2025

Risk 72
Severity
7.8
First published (updated )
CVE-2022-33743

VMware ESXiArbitrary Memory Disclosure through CPU Side-Channel Attacks (Retbleed)

Risk 38
Severity
6.5
First published (updated )
CVE-2022-29901

VMware ESXiLast updated 25 April 2025

Risk 33
Severity
5.5
First published (updated )
CVE-2022-21166
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