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Xen Project Xenx86: mismatched mapcache metadata

Risk 79
Severity
8.1
First published (updated )
CVE-2026-42488

Xen Project Xendomctl lock open to abuse

Risk 40
Severity
6.5
First published (updated )
CVE-2026-42490

Xen Project Xendomctl lock open to abuse

Risk 30
Severity
5.3
First published (updated )
CVE-2026-42489

Xen Project Xenx86 HVM I/O port list traversal

Risk 61
Severity
7.9
First published (updated )
CVE-2026-42487

oss-secXen Security Advisory 494 v3 (CVE-2026-42488) - x86: mismatched mapcache metadata

First published (updated )
https://seclists.org/oss-sec/2026/q2/860
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oss-secXen Security Advisory 493 v2 (CVE-2025-10263) - Arm: Completion of memory accesses not guaranteed by completion of a TLBI

First published (updated )
https://seclists.org/oss-sec/2026/q2/859

oss-secXen Security Advisory 492 v3 (CVE-2026-42489,CVE-2026-42490) - domctl lock open to abuse

First published (updated )
https://seclists.org/oss-sec/2026/q2/858

oss-secXen Security Advisory 491 v2 (CVE-2026-42487) - x86 HVM I/O port list traversal

First published (updated )
https://seclists.org/oss-sec/2026/q2/857

Microsoft Windows 10Xen Security Advisory 490 v1 (CVE-2025-54518) - x86: CPU Opcode Cache corruption

Risk 72
Severity
7.3
First published (updated )
CVE-2025-54518

oss-secXen Security Advisory 486 v2 (CVE-2026-23558) - grant table v2 race in status page mapping

First published (updated )
https://seclists.org/oss-sec/2026/q2/248
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oss-secXen Security Advisory 484 v2 (CVE-2026-23557) - Xenstod DoS via XS_SET_WATCHES command

First published (updated )
https://seclists.org/oss-sec/2026/q2/246

oss-secXen Security Advisory 488 v1 - x86: Floating Point Divider State Sampling

First published (updated )
https://seclists.org/oss-sec/2026/q2/167

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 481 v2 (CVE-2026-23555) - Xenstod DoS by unprivileged domain

First published (updated )
https://seclists.org/oss-sec/2026/q1/328

Xen Project Xenx86: buffer overrun with shadow paging + tracing

Risk 76
Severity
8.8
First published (updated )
CVE-2025-58150
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oss-secXen Security Advisory 479 v2 (CVE-2026-23553) - x86: incomplete IBPB for vCPU isolation

First published (updated )
https://seclists.org/oss-sec/2026/q1/119

oss-secXen Security Advisory 477 v2 (CVE-2025-58150) - x86: buffer overrun with shadow paging + tracing

First published (updated )
https://seclists.org/oss-sec/2026/q1/117

Xen Project Xenx86: Incorrect stubs exception handling for flags recovery

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

Xen Project XenISSUE DESCRIPTION ================= When mapping a grant reference, a guest must inform Xen of wher…

Risk 33
Severity
7
First published (updated )
REDHAT-BUG-1477657

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