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TI-2022-03817 Aliases CVE-2022-4172GHSA-7m5q-w7p8-x8h4

Buffer overflow in QEMU

Priority LOW 29CWE-120Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
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-120 and the CVSS impact.

Summary

An integer overflow and buffer overflow issues were found in the ACPI Error Record Serialization Table (ERST) device of QEMU in the read_erst_record() and write_erst_record() functions. Both issues may allow the guest to overrun the host buffer allocated for the ERST memory device. A malicious guest could use these flaws to crash the QEMU process on the host.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00401 34th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Red Hat: 1 advisory

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

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

Affected products

VendorProductAffected versionsFixed inStatusSource
—QEMU (ACPI ERST)Affected: 7.0.0, Fixed: 7.2.0-rc0—No fix listedCNA
  • QEMU (ACPI ERST) Vendor— Affected Affected: 7.0.0, Fixed: 7.2.0-rc0 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:qemu:qemu:7.0.0:-:*:*:*:*:*:*7.0.0VulnerableQEMU
cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*37VulnerableFedoraproject
  • cpe:2.3:a:qemu:qemu:7.0.0:-:*:*:*:*:*:* Versions 7.0.0 Vulnerable ·QEMU
  • cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:* Versions 37 Vulnerable ·Fedoraproject

Remediation

Red Hat 1 advisory

  • RHSA-2023:2162 Released 2023-05-09 · Red Hat rating Moderate
    qemu-kvm security, bug fix, and enhancement update
    • Red Hat Enterprise Linux AppStream (v. 9) qemu-guest-agent-17:7.2.0-14.el9_2, qemu-img-17:7.2.0-14.el9_2, qemu-kvm-17:7.2.0-14.el9_2 +16

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-2023:2162
Not affected: 5 products
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 8 Advanced Virtualization
  • Red Hat OpenStack Platform 13 (Queens)

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-4172
  2. 2026-10-03 Alias added: GHSA-7m5q-w7p8-x8h4

References

Exploit 1

Patch 1

Advisory 2

Other 1

Sources

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