CVE-2023-3019Qemu: e1000e: heap use-after-free in e1000e_write_packet_to_guest()
- 6.0MediumCVSS base score
- 0.32%Exploitation in 30 daysEPSS · top 75% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
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.
Timeline
ID reserved
By redhat
- 54 days later
· 54 days later
Published
- 3 years later
· 3 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| redhatCNA (assigner) | 3.1 | Medium6.0 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H |
| NVDNVD · Modified | 3.1 | Medium6.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.32% · top 75% of all CVEs (12 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.0.
Affected products
Red Hat · Red Hat Enterprise Linux 8
- unaffected 8090020231206155326.a75119d5 – < *
Red Hat · Red Hat Enterprise Linux 8
- unaffected 8090020231206155326.a75119d5 – < *
Red Hat · Red Hat Enterprise Linux 8.6 Extended Update Support
- unaffected 8060020231128234847.ad008a3a – < *
Red Hat · Red Hat Enterprise Linux 8.6 Extended Update Support
- unaffected 8060020231128234847.ad008a3a – < *
Red Hat · Red Hat Enterprise Linux 8.8 Extended Update Support
- unaffected 8080020240116113044.63b34585 – < *
Red Hat · Red Hat Enterprise Linux 8.8 Extended Update Support
- unaffected 8080020240116113044.63b34585 – < *
Red Hat · Red Hat Enterprise Linux 9
- unaffected 17:8.2.0-11.el9_4 – < *
Red Hat · Red Hat Enterprise Linux 6
All versions: unknown
Red Hat · Red Hat Enterprise Linux 7
All versions: unknown
Red Hat · Red Hat Enterprise Linux 7
All versions: unknown
Red Hat · Red Hat Enterprise Linux 8 Advanced Virtualization
All versions: affected
References
References9
- RHSA-2024:0135 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2024:0404 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2024:0569 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2024:2135 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- https://access.redhat.com/security/cve/CVE-2023-3019 (opens in a new tab)vdb-entryx_refsource_REDHATx_transferred
- RHBZ#2222351 (opens in a new tab)issue-trackingx_refsource_REDHATx_transferred
- https://security.netapp.com/advisory/ntap-20230831-0005/ (opens in a new tab)x_transferred
- https://lists.debian.org/debian-lts-announce/2025/04/msg00042.html (opens in a new tab)
- https://cert-portal.siemens.com/productcert/html/ssa-577017.html (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2023-43711 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2023-3019)Record last updated .