CVE-2015-5307

medium

Published 2015-11-16 · Modified 2026-05-06

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CVSS v3

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CVSS v4 NEW

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not yet in upstream

VIR risk

4.9

Description

The KVM subsystem in the Linux kernel through 4.2.6, and Xen 4.3.x through 4.6.x, allows guest OS users to cause a denial of service (host OS panic or hang) by triggering many #AC (aka Alignment Check) exceptions, related to svm.c and vmx.c.

Predictions

Exploit likelihood

20%

Patch ETA

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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

OS	Version	Status	Fixed in
sles		affected
debian	bookworm	fixed	`4.2.6-1`
debian	bullseye	fixed	`4.2.6-1`
debian	forky	fixed	`4.2.6-1`
debian	sid	fixed	`4.2.6-1`
debian	trixie	fixed	`4.2.6-1`
debian	7.0	affected
debian	8.0	affected
ubuntu	12.04	affected
ubuntu	14.04	affected
ubuntu	15.10	affected
linux-kernel		affected

Application impact

Vendor	Product	Versions	Fixed
oracle	vm_virtualbox	`{"startIncluding":"4.0.0","endIncluding":"4.0.34"}`

References

CWEs

CWE-399

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

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