CVE-2014-9718

medium
Published 2015-04-21 ยท Modified 2026-05-06
CVSS v3
โ€”
CVSS v4 NEW
โ€”
not yet in upstream
VIR risk
4.9

Description

The (1) BMDMA and (2) AHCI HBA interfaces in the IDE functionality in QEMU 1.0 through 2.1.3 have multiple interpretations of a function's return value, which allows guest OS users to cause a host OS denial of service (memory consumption or infinite loop, and system crash) via a PRDT with zero complete sectors, related to the bmdma_prepare_buf and ahci_dma_prepare_buf functions.

Predictions

Exploit likelihood
20%
Patch ETA
โ€”

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 โ€” if you've already worked around this in production โ€” publish your fix to the community-verified tier.

โœš Propose a mitigation on Community โ†’ 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

OSVersionStatusFixed in
debian debian8.0affected
debian debianbookwormfixed1:2.3+dfsg-1
debian debianbullseyefixed1:2.3+dfsg-1
debian debianforkyfixed1:2.3+dfsg-1
debian debiansidfixed1:2.3+dfsg-1
debian debiantrixiefixed1:2.3+dfsg-1

Application impact

VendorProductVersionsFixed
qemuqemu1.0
qemuqemu1.0.1
qemuqemu1.1
qemuqemu1.4.1
qemuqemu1.4.2
qemuqemu1.5.0
qemuqemu1.5.1
qemuqemu1.5.2
qemuqemu1.5.3
qemuqemu1.6.0
qemuqemu1.6.1
qemuqemu1.6.2
qemuqemu1.7.1
qemuqemu2.0.0
qemuqemu2.0.2
qemuqemu2.1.0
qemuqemu2.1.1
qemuqemu2.1.2
qemuqemu2.1.3

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.