# CVE-2023-3019: Qemu: e1000e: heap use-after-free in e1000e_write_packet_to_guest()

Status: published. Published: 2023-07-24. Updated: 2026-11-07.

A DMA reentrancy issue leading to a use-after-free error was found in the e1000e NIC emulation code in QEMU. This issue could allow a privileged guest user to crash the QEMU process on the host, resulting in a denial of service.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- Red Hat / Red Hat Enterprise Linux 8 (virt-devel:rhel): ≥ 8090020231206155326.a75119d5; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 8 (virt:rhel): ≥ 8090020231206155326.a75119d5; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 8.6 Extended Update Support (virt-devel:rhel): ≥ 8060020231128234847.ad008a3a; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 8.6 Extended Update Support (virt:rhel): ≥ 8060020231128234847.ad008a3a; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 8.8 Extended Update Support (virt-devel:rhel): ≥ 8080020240116113044.63b34585; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 8.8 Extended Update Support (virt:rhel): ≥ 8080020240116113044.63b34585; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 9 (qemu-kvm): ≥ 17:8.2.0-11.el9_4; < * (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 Advanced Virtualization (virt:av/qemu-kvm): Version range not reported. Source: CNA: redhat
- Siemens / RUGGEDCOM ROX MX5000: ≥ 0; < V2.17.1 (affected, custom). Source: ADP: siemens-SADP
- Siemens / RUGGEDCOM ROX MX5000RE: ≥ 0; < V2.17.1 (affected, custom). Source: ADP: siemens-SADP
- Siemens / RUGGEDCOM ROX RX1400: ≥ 0; < V2.17.1 (affected, custom). Source: ADP: siemens-SADP
- Siemens / RUGGEDCOM ROX RX1500: ≥ 0; < V2.17.1 (affected, custom). Source: ADP: siemens-SADP
- Siemens / RUGGEDCOM ROX RX1501: ≥ 0; < V2.17.1 (affected, custom). Source: ADP: siemens-SADP
- Siemens / RUGGEDCOM ROX RX1510: ≥ 0; < V2.17.1 (affected, custom). Source: ADP: siemens-SADP
- Siemens / RUGGEDCOM ROX RX1511: ≥ 0; < V2.17.1 (affected, custom). Source: ADP: siemens-SADP
- Siemens / RUGGEDCOM ROX RX1512: ≥ 0; < V2.17.1 (affected, custom). Source: ADP: siemens-SADP
- Siemens / RUGGEDCOM ROX RX1524: ≥ 0; < V2.17.1 (affected, custom). Source: ADP: siemens-SADP
- Siemens / RUGGEDCOM ROX RX1536: ≥ 0; < V2.17.1 (affected, custom). Source: ADP: siemens-SADP
- Siemens / RUGGEDCOM ROX RX5000: ≥ 0; < V2.17.1 (affected, custom). Source: ADP: siemens-SADP

## Severity and prioritization

- CVSS 3.1: 6 (medium); CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H; source: CNA: redhat

- CISA KEV: No listing in collected sources

- EPSS: 0.32% as of 2026-11-06; percentile 24.82%

- SSVC: exploitation none; automatable no; technical impact partial; source ADP: CISA-ADP

- Weaknesses: CWE-416

## Exploit evidence

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

## References

- https://access.redhat.com/errata/RHSA-2024:0135 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2024:0404 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2024:0569 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2024:2135 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/security/cve/CVE-2023-3019 (CNA: redhat; vdb-entry, x_refsource_REDHAT)

- https://bugzilla.redhat.com/show_bug.cgi?id=2222351 (CNA: redhat; issue-tracking, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2024:0135 (ADP: CVE; vendor-advisory, x_refsource_REDHAT, x_transferred)

- https://access.redhat.com/errata/RHSA-2024:0404 (ADP: CVE; vendor-advisory, x_refsource_REDHAT, x_transferred)

- https://access.redhat.com/errata/RHSA-2024:0569 (ADP: CVE; vendor-advisory, x_refsource_REDHAT, x_transferred)

- https://access.redhat.com/errata/RHSA-2024:2135 (ADP: CVE; vendor-advisory, x_refsource_REDHAT, x_transferred)

- https://access.redhat.com/security/cve/CVE-2023-3019 (ADP: CVE; vdb-entry, x_refsource_REDHAT, x_transferred)

- https://bugzilla.redhat.com/show_bug.cgi?id=2222351 (ADP: CVE; issue-tracking, x_refsource_REDHAT, x_transferred)

- https://security.netapp.com/advisory/ntap-20230831-0005/ (ADP: CVE; x_transferred)

- https://lists.debian.org/debian-lts-announce/2025/04/msg00042.html (ADP: CVE)

- https://cert-portal.siemens.com/productcert/html/ssa-577017.html (ADP: siemens-SADP)

## Provenance

- CNA: redhat: https://www.cve.org/CVERecord?id=CVE-2023-3019; retrieved 2026-11-07; source updated 2026-11-07

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2023-3019; retrieved 2026-11-07; source updated Not reported

Revision: 13f82654fb3fba9fae737231530cfc270237d44de0e9bc7b1b5a86f2f6ae9f60

Canonical: https://y2.dev/cve/CVE-2023-3019

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