Buffer Overflow in VF Implementations Due to Mishandled Guest Input
CVE-2024-26327

5.3MEDIUM

Key Information:

Vendor

QEMU
Status
Qemu
Vendor
CVE Published:
19 February 2024

What is CVE-2024-26327?

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.

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References

https://lore.kernel.org/all/20240214-reuse-v4-5-89ad093a0...
https://security.netapp.com/advisory/ntap-20240419-0010/

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Adjacent Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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