ZDF
Sign inSign up

Vulnerabilities

Vulnerability · CVE-2023-3019

A DMA reentrancy issue leading to a use-after-free error was found in the e1000e NIC emulation code in QEMU.

Published Jul 24, 2023 · catalog updated Nov 7, 2026 · A DMA reentrancy issue

Last checked Nov 8, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2023-3019. EPSS is 0.32%. Act only if a listed version of A DMA reentrancy issue is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (A DMA reentrancy issue).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Medium6.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.32%
Remediation
Version ranges on file
Affected products
cpe qemu/qemu · cpe redhat/enterprise linux

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe qemu/qemu< 8.2.0
  • cpe redhat/enterprise linux8.0
  • cpe redhat/enterprise linux9.0

How to fix CVE-2023-3019

  • Upgrade

    CVE-2023-3019 lists a fix boundary at 8.2.0. Compare the installed build with that boundary before you change production.

  • Version check

    Affected < 8.2.0

  • Advisory

    Open the cve_org record and follow its fix.

  • Official advisories

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2023-3019. EPSS is 0.32%. Act only if a listed version of A DMA reentrancy issue is installed.

Which versions are affected?

Compare what you have installed with redhat/enterprise linux 8.0; redhat/enterprise linux 9.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-416: Use After Free. EPSS 0.32%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jul 24, 2023 · NIST NVD

    Detected

    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.

  2. Nov 7, 2026 · NIST NVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2023-3019

    Official CVE identifier

    cve.org
  • NIST NVDVulnerability recordCVE-2023-3019

    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.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Nov 7, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • CVE.orgNov 8, 2026
  • NIST NVDNov 7, 2026