CVE-2024-26327

medium

Published 2024-11-12 · Modified 2024-11-18

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CVSS v3

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CVSS v4 NEW

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not yet in upstream

VIR risk

5.5

Description

An issue was discovered in QEMU 7.1.0 through 8.2.1. register_vfs in hw/pci/pcie_sriov.c mishandles the situation where a guest writes NumVFs greater than TotalVFs, leading to a buffer overflow in VF implementations.

Predictions

Exploit likelihood

20%

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	—

AlmaLinux Fixed 1 release

Version	Status	Fixed in
9	Fixed	`qemu-kvm-device-display-virtio-gpu-pci-9.0.0-10.el9_5.aarch64.rpm`

Debian Fixed 5 releases

Version	Status	Fixed in
trixie	Fixed	`1:8.2.3+ds-1`
sid	Fixed	`1:8.2.3+ds-1`
forky	Fixed	`1:8.2.3+ds-1`
bullseye	Fixed	`0`
bookworm	Fixed	`1:7.2+dfsg-7+deb12u6`

Red Hat Fixed 1 release

Version	Status	Fixed in
9	Fixed	—

Rocky Linux Fixed 1 release

Version	Status	Fixed in
9	Fixed	—

References

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

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