Use After Free in Qemu
CVE-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.
Vulnerability class: Use-After-Free
EPSS: 0.003 (24.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.0 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H.
Affected products
- Qemu
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8 — versions 8090020231206155326.a75119d5
- Red Hat Enterprise Linux 8.6 Extended Update Support — versions 8060020231128234847.ad008a3a
- Red Hat Enterprise Linux 8.8 Extended Update Support — versions 8080020240116113044.63b34585
- Red Hat Enterprise Linux 8 Advanced Virtualization
- Red Hat Enterprise Linux 9 — versions 17:8.2.0-11.el9_4
- Redhat Enterprise_linux — versions 8.0, 9.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, Third Party Advisory, vdb-entry)
- secalert@redhat.com (x_refsource_REDHAT, issue-tracking, Patch, Third Party Advisory, Issue Tracking)
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
- 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
Frequently asked questions
- What is CVE-2023-3019?
- CVE-2023-3019 is a medium-severity vulnerability in Qemu, classified under Use After Free. CVSS score: 6.0/10. Published 2023-07-24.
- How severe is CVE-2023-3019?
- Medium severity. CVSS v3 base score is 6.0 out of 10.
- Is CVE-2023-3019 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.