CVE-2016-1571

medium

Published 2016-01-22 · Modified 2026-05-06

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CVSS v3

6.3

CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H

CVSS v4 NEW

—

not yet in upstream

VIR risk

6.3

Description

The paging_invlpg function in include/asm-x86/paging.h in Xen 3.3.x through 4.6.x, when using shadow mode paging or nested virtualization is enabled, allows local HVM guest users to cause a denial of service (host crash) via a non-canonical guest address in an INVVPID instruction, which triggers a hypervisor bug check.

Predictions

Exploit likelihood

73%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

Debian Fixed 5 releases

Version	Status	Fixed in
trixie	Fixed	`4.8.0~rc3-1`
sid	Fixed	`4.8.0~rc3-1`
forky	Fixed	`4.8.0~rc3-1`
bullseye	Fixed	`4.8.0~rc3-1`
bookworm	Fixed	`4.8.0~rc3-1`

Application impact

Vendor	Product	Versions	Fixed
citrix	xenserver	`{"endIncluding":"6.5"}`

References

CWEs

CWE-17

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.