CVE-2024-26327

low-risk
Published 2024-02-19

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.

Do I need to act?

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0.18% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.3/10 Medium
ADJACENT_NETWORK / HIGH complexity

Affected Products (1)

Affected Vendors

Qemu

References (4)

Patch https://lore.kernel.org/all/20240214-reuse-v4-5-89ad093a07f4%40daynix.com/
Third Party Advisory https://security.netapp.com/advisory/ntap-20240419-0010/
Patch https://lore.kernel.org/all/20240214-reuse-v4-5-89ad093a07f4%40daynix.com/
Third Party Advisory https://security.netapp.com/advisory/ntap-20240419-0010/
20
/ 100
low-risk
Severity 14/34 · Moderate
Exploitability 1/34 · Minimal
Exposure 5/34 · Minimal