CVE records

Every CVE as the CVE Program publishes it, refreshed every ten minutes, with NVD's analysis, CISA's known-exploited status and a healthcare tag. Subscribers get the CVEs that match their own systems on My program, by email as they are published. Where the data comes from: sources.

Updated under an hour ago ()

What this means for you

This week: 5,435 CVEs published, 355 critical, and 7 newly confirmed exploited. Add your stack to see whether any of them hit you.

Published in the last 7 days
5,435
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Critical, last 7 days
355
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Healthcare-tagged, last 7 days
4
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Known exploited (CISA KEV)
1,747
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Showing CVEs that name the product xen:xen. Show all products

25 CVEs, showing 1 to 25
CVESeverityTitlePublished
CVE-2026-102700Not yet scoredgnttab: cache-flush handling may cause page reference leak
Assigned by XEN
Oct 13, 2026
CVE-2026-102702Not yet scoredArm: multiple issues with GNTTABOP_cache_flush
Assigned by XEN
Oct 13, 2026
CVE-2026-102699Not yet scoredArm: multiple issues with GNTTABOP_cache_flush
Assigned by XEN
Oct 13, 2026
CVE-2026-79611Not yet scoredVMX: VMentry failure with branch tracing and blocked states
Assigned by XEN
Oct 13, 2026
CVE-2026-79610Not yet scoredgrant-table: double version change race
Assigned by XEN
Oct 13, 2026
CVE-2026-79609Not yet scoredx86: XPTI may break on huge-memory systems
Assigned by XEN
Oct 13, 2026
CVE-2026-79608Not yet scoredx86/AMD: ineffectual Zenbleed workaround
Assigned by XEN
Oct 13, 2026
CVE-2026-79607Medium 5.5Xenstore: Guests can crash xenstored during Live Update
Assigned by XEN
Oct 13, 2026
CVE-2026-79603Medium 4.3Unconditionally do TLB flushing ahead of page scrubbing
Assigned by XEN
Sep 8, 2026
CVE-2026-79602High 8.8x86: improper handling of HVM emulation return codes
Assigned by XEN
Sep 8, 2026
CVE-2026-62437Medium 6.5x86: DMs may cause mem leak by IRQ binding
Assigned by XEN
Sep 8, 2026
CVE-2026-23558High 7.8The adjustments made for XSA-379 as well as those subsequently becoming XSA-387 still left a race window, when a HVM or PVH guest does a grant table version change from v2 to v1 in parallel with mapp…May 19, 2026
CVE-2026-23557Medium 6.5Any guest can cause xenstored to crash by issuing a XS_RESET_WATCHES command within a transaction due to an assert() triggering.May 19, 2026
CVE-2026-23555High 7.1Any guest issuing a Xenstore command accessing a node using the (illegal) node path "/local/domain/", will crash xenstored due to a clobbered error indicator in xenstored when verifying the node path.Mar 23, 2026
CVE-2026-23554High 7.8The Intel EPT paging code uses an optimization to defer flushing of any cached EPT state until the p2m lock is dropped, so that multiple modifications done under the same locked region only issue a s…Mar 23, 2026
CVE-2026-23553Low 2.9In the context switch logic Xen attempts to skip an IBPB in the case of a vCPU returning to a CPU on which it was the previous vCPU to run.Jan 28, 2026
CVE-2025-58150High 8.8Shadow mode tracing code uses a set of per-CPU variables to avoid cumbersome parameter passing.Jan 28, 2026
CVE-2025-58149High 7.5When passing through PCI devices, the detach logic in libxl won't remove access permissions to any 64bit memory BARs the device might have.Oct 31, 2025
CVE-2025-58148High 7.5[This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Some Viridian hypercalls can specify a mask of vCPU IDs as an input, i…Oct 31, 2025
CVE-2025-58147High 7.5[This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Some Viridian hypercalls can specify a mask of vCPU IDs as an input, i…Oct 31, 2025
CVE-2023-34319High 7.8Linux: buffer overrun in netback due to unusual packet
Assigned by XEN
Sep 22, 2023
CVE-2022-21166Medium 5.5Incomplete cleanup in specific special register write operations for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.
Assigned by intel
Jun 15, 2022
CVE-2022-21125Medium 5.5Incomplete cleanup of microarchitectural fill buffers on some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.
Assigned by intel
Jun 15, 2022
CVE-2022-21123Medium 5.5Incomplete cleanup of multi-core shared buffers for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.
Assigned by intel
Jun 15, 2022
CVE-2022-23960Medium 5.6Certain Arm Cortex and Neoverse processors through 2022-03-08 do not properly restrict cache speculation, aka Spectre-BHB.
Assigned by mitre
Mar 12, 2022

CVSS is the assigning CNA's score where it gives one, otherwise NVD's. The healthcare tag is a documented heuristic (a list of clinical and health IT vendors, and clinical terms in the description), not a classification. The CVE record is authoritative.

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