QEMU up to 8.2.1 hw/pci/pcie_sriov.c register_vfs out-of-bounds write

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.8$5k-$25k0.00

Summaryinfo

A vulnerability was found in QEMU up to 8.2.1. It has been classified as critical. This affects the function register_vfs of the file hw/pci/pcie_sriov.c. Performing a manipulation results in an unknown weakness. This vulnerability is identified as CVE-2024-26328. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as critical, was found in QEMU up to 8.2.1 (Virtualization Software). This affects the function register_vfs of the file hw/pci/pcie_sriov.c. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. The impact remains unknown. The summary by CVE is:

An issue was discovered in QEMU 7.1.0 through 8.2.1. register_vfs in hw/pci/pcie_sriov.c does not set NumVFs to PCI_SRIOV_TOTAL_VF, and thus interaction with hw/nvme/ctrl.c is mishandled.

The weakness was released 02/19/2024. It is possible to read the advisory at lore.kernel.org. This vulnerability is uniquely identified as CVE-2024-26328 since 02/19/2024. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 07/25/2025).

The vulnerability scanner Nessus provides a plugin with the ID 209571 (Oracle Linux 8 : virt:kvm_utils3 (ELSA-2024-12792)), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Tenable (209571) and CERT Bund (WID-SEC-2024-0412). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Affected

  • Red Hat Enterprise Linux
  • Ubuntu Linux
  • SUSE Linux
  • Oracle Linux
  • Open Source QEMU

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.8
VulDB Meta Temp Score: 5.8

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.0
NVD Vector: 🔍

CNA Base Score: 6.0
CNA Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 209571
Nessus Name: Oracle Linux 8 : virt:kvm_utils3 (ELSA-2024-12792)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/19/2024 🔍
02/19/2024 +0 days 🔍
02/19/2024 +0 days 🔍
07/25/2025 +522 days 🔍

Sourcesinfo

Product: qemu.org

Advisory: lore.kernel.org
Status: Not defined

CVE: CVE-2024-26328 (🔍)
GCVE (CVE): GCVE-0-2024-26328
GCVE (VulDB): GCVE-100-254091
CERT Bund: WID-SEC-2024-0412 - QEMU: Mehrere Schwachstellen ermöglichen nicht spezifizierte Angriffe

Entryinfo

Created: 02/19/2024 08:09
Updated: 07/25/2025 21:18
Changes: 02/19/2024 08:09 (37), 10/25/2024 05:47 (16), 11/06/2024 17:31 (12), 05/07/2025 15:05 (13), 07/25/2025 21:18 (7)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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