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TI-2024-17398 Aliases CVE-2024-26327GHSA-7m48-vw34-vw84

An issue was discovered in QEMU 7.1.0 through 8.2.1.

Priority LOW 27CWE-122Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat. Impact type from CWE-122 and the CVSS impact.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00596 48th percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*7.1.0 – 8.2.1VulnerableQEMU
  • cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* Versions 7.1.0 – 8.2.1 Vulnerable ·QEMU

Remediation

Red Hat 1 advisory

  • RHSA-2024:9136 Released 2024-11-12 · Red Hat rating Moderate
    qemu-kvm security update
    • Red Hat Enterprise Linux AppStream (v. 9) qemu-guest-agent-17:9.0.0-10.el9_5, qemu-img-17:9.0.0-10.el9_5, qemu-kvm-17:9.0.0-10.el9_5 +17

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2024:9136
Not affected: 4 products
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 8 Advanced Virtualization

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-26327
  2. 2026-10-03 Alias added: GHSA-7m48-vw34-vw84

References

Patch 1

Advisory 1

  • TI-2024-16148 QEMU before 8.2.0 has an integer underflow, and resultant buffer overflow, via a TI… CVSS 3.1HIGH 8.8
  • TI-2022-02736 Uncontrolled resource consumption in QEMU CVSS 3.1HIGH 7.8
  • TI-2023-02681 Qemu: 9pfs: improper access control on special files CVSS 3.1HIGH 7.1
  • TI-2019-09678 The QMP migrate command in QEMU version 4.0.0 and earlier is vulnerable to OS command… CVSS 3.0CRITICAL 9.8
  • TI-2024-03326 Qemu-kvm: net: assertion failure in update_sctp_checksum() CVSS 3.1MEDIUM 5.5
  • TI-2023-22631 QEMU through 8.0.0 could trigger a division by zero in scsi_disk_reset in… CVSS 3.1MEDIUM 5.5
See all 418 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences