CVE-2017-16845

critical

Published 2017-11-17 · Modified 2026-05-13

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CVSS v3

10.0

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:H

CVSS v4 NEW

—

not yet in upstream

VIR risk

10.0

Description

hw/input/ps2.c in Qemu does not validate 'rptr' and 'count' values during guest migration, leading to out-of-bounds access.

Predictions

Exploit likelihood

98%

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

SUSE Affected 1 release

Version	Status	Fixed in
—	Affected	—

Ubuntu Affected 4 releases

Version	Status	Fixed in
18.04	Affected	—
17.10	Affected	—
16.04	Affected	—
14.04	Affected	—

Debian Mixed 7 releases

Version	Status	Fixed in
trixie	Fixed	`1:2.12~rc3+dfsg-1`
sid	Fixed	`1:2.12~rc3+dfsg-1`
forky	Fixed	`1:2.12~rc3+dfsg-1`
bullseye	Fixed	`1:2.12~rc3+dfsg-1`
bookworm	Fixed	`1:2.12~rc3+dfsg-1`
9.0	Affected	—
8.0	Affected	—

Application impact

Vendor	Product	Versions	Fixed
qemu	qemu	`{"endIncluding":"2.11.2"}`

References

CWEs

CWE-20

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

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