# CVE-2024-3567: Qemu-kvm: net: assertion failure in update_sctp_checksum()

Status: published. Published: 2024-04-10. Updated: 2026-11-05.

A flaw was found in QEMU. An assertion failure was present in the update_sctp_checksum() function in hw/net/net_tx_pkt.c when trying to calculate the checksum of a short-sized fragmented packet. This flaw allows a malicious guest to crash QEMU and cause a denial of service condition.

## Remediation

No remediation reported in collected sources

## Affected products and versions

-  /  (net): 8.2.92 (affected). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 9 (qemu-kvm): ≥ 17:9.0.0-10.el9_5.3; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 6 (qemu-kvm): Version range not reported. Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 7 (qemu-kvm): Version range not reported. Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 7 (qemu-kvm-ma): Version range not reported. Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 8 (virt:rhel/qemu-kvm): Version range not reported. Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 8 Advanced Virtualization (virt:av/qemu-kvm): Version range not reported. Source: CNA: redhat

## Severity and prioritization

- CVSS 3.1: 5.5 (medium); CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H; source: CNA: redhat

- CISA KEV: No listing in collected sources

- EPSS: 0.45% as of 2026-11-04; percentile 38.85%

- SSVC: exploitation poc; automatable no; technical impact partial; source ADP: CISA-ADP

- Weaknesses: CWE-617

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://access.redhat.com/errata/RHSA-2025:4492 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/security/cve/CVE-2024-3567 (CNA: redhat; vdb-entry, x_refsource_REDHAT)

- https://bugzilla.redhat.com/show_bug.cgi?id=2274339 (CNA: redhat; issue-tracking, x_refsource_REDHAT)

- https://gitlab.com/qemu-project/qemu/-/issues/2273 (CNA: redhat)

- https://access.redhat.com/security/cve/CVE-2024-3567 (ADP: CVE; vdb-entry, x_refsource_REDHAT, x_transferred)

- https://bugzilla.redhat.com/show_bug.cgi?id=2274339 (ADP: CVE; issue-tracking, x_refsource_REDHAT, x_transferred)

- https://gitlab.com/qemu-project/qemu/-/issues/2273 (ADP: CVE; x_transferred)

- https://security.netapp.com/advisory/ntap-20240822-0007/ (ADP: CVE)

## Provenance

- CNA: redhat: https://www.cve.org/CVERecord?id=CVE-2024-3567; retrieved 2026-11-05; source updated 2026-11-05

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2024-3567; retrieved 2026-11-05; source updated Not reported

Revision: 7a0f2661766c6f2a432439205865ee39beb5ec5ac44dfdd414a6258f712348c3

Canonical: https://y2.dev/cve/CVE-2024-3567

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