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Xen Project XenPoD: Don't try to reclaim special pages

Risk 28
Severity
5.3
First published (updated )
CVE-2026-62434

Xen Project Xencorrect buffer checks for DM_OP hypercalls

Risk 54
Severity
7.3
First published (updated )
CVE-2026-62433

Xen Project XenvNUMA domain cleanup may race other operations

Risk 40
Severity
6.5
First published (updated )
CVE-2026-62429

Xen Project Xensysctl and platform-op locks open to abuse

Risk 83
Severity
8.8
First published (updated )
CVE-2026-62427

Xen Project XenvIRQ event channel binding may break Xenstore

Risk 46
Severity
7.5
First published (updated )
CVE-2026-42492
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oss-secXen Security Advisory 508 v2 - pygrub is only supported in de-privileged mode

First published (updated )
https://seclists.org/oss-sec/2026/q3/312

oss-secXen Security Advisory 507 v2 (CVE-2026-62434) - PoD: Don't try to claim special pages

First published (updated )
https://seclists.org/oss-sec/2026/q3/311

oss-secXen Security Advisory 506 v2 (CVE-2026-62433) - corct buffer checks for DM_OP hypercalls

First published (updated )
https://seclists.org/oss-sec/2026/q3/310

oss-secXen Security Advisory 505 v2 (CVE-2026-62432) - evtchn: Race between FIFO expand and set

First published (updated )
https://seclists.org/oss-sec/2026/q3/309

oss-secXen Security Advisory 504 v2 (CVE-2026-62431) - Viridian STIMER division by zero

First published (updated )
https://seclists.org/oss-sec/2026/q3/308
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oss-secXen Security Advisory 502 v3 (CVE-2026-62429) - vNUMA domain cleanup may race other operations

First published (updated )
https://seclists.org/oss-sec/2026/q3/306

oss-secXen Security Advisory 501 v4 (CVE-2026-62435,CVE-2026-62436) - grant-table: version change racing with other operations

First published (updated )
https://seclists.org/oss-sec/2026/q3/305

oss-secXen Security Advisory 500 v2 (CVE-2026-62428) - grant-table: type confusion in grant-copy

First published (updated )
https://seclists.org/oss-sec/2026/q3/304

oss-secXen Security Advisory 499 v2 (CVE-2026-62426,CVE-2026-62427) - sysctl and platform-op locks open to abuse

First published (updated )
https://seclists.org/oss-sec/2026/q3/303

oss-secXen Security Advisory 497 v2 (CVE-2026-42494,CVE-2026-42495,CVE-2026-62423,CVE-2026-62424,CVE-2026-62425) - buffer overruns in libfsimage iso9660 handling

First published (updated )
https://seclists.org/oss-sec/2026/q3/302
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oss-secXen Security Advisory 496 v2 (CVE-2026-42492) - vIRQ event channel binding may bak Xensto

First published (updated )
https://seclists.org/oss-sec/2026/q3/301

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

First published (updated )
https://seclists.org/oss-sec/2026/q2/860

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
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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

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
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