CVE-2023-3019 Qemu: e1000e: heap use-after-free in e1000e_write_packet_to_guest()
Medium 6.0
Published
Updated
Check this codebase for CVE-2023-3019 and fix it if it is affected.
What it is: CVE-2023-3019 is a medium-severity use after free vulnerability in Qemu Qemu, published on 24 Jul 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-3019 in the wild and no public exploit code.
Affected product: Qemu Qemu. No package-level version data is available, so check the vendor advisory linked from the reference page.
Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.
Reference: https://insights.sbomify.com/CVE-2023-3019/ (Markdown: https://insights.sbomify.com/CVE-2023-3019/index.md)
A privileged guest user can crash the QEMU host process via a use-after-free in e1000e NIC emulation, causing denial of service.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-3019?
CVE-2023-3019 is a medium-severity use after free vulnerability in Qemu Qemu, published on 24 Jul 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Weakness: CWE-416
Which versions are affected by CVE-2023-3019?
It affects 2 products.
Linux distribution packages (40)
SLOF Red Hat:enterprise_linux:8::appstream | All versions | 0:20210217-1.module+el8.9.0+20735+c763a519.1 |
hivex Red Hat:enterprise_linux:8::appstream | All versions | 0:1.3.18-23.module+el8.9.0+18724+20190c23 |
hivex-debuginfo Red Hat:enterprise_linux:8::appstream | All versions | 0:1.3.18-23.module+el8.9.0+18724+20190c23 |
hivex-debugsource Red Hat:enterprise_linux:8::appstream | All versions | 0:1.3.18-23.module+el8.9.0+18724+20190c23 |
hivex-devel Red Hat:enterprise_linux:8::appstream | All versions | 0:1.3.18-23.module+el8.9.0+18724+20190c23 |
libguestfs Red Hat:enterprise_linux:8::appstream | All versions | 1:1.44.0-9.module+el8.9.0+18724+20190c23 |
libguestfs-appliance Red Hat:enterprise_linux:8::appstream | All versions | 1:1.44.0-9.module+el8.9.0+18724+20190c23 |
libguestfs-bash-completion Red Hat:enterprise_linux:8::appstream | All versions | 1:1.44.0-9.module+el8.9.0+18724+20190c23 |
libguestfs-debuginfo Red Hat:enterprise_linux:8::appstream | All versions | 1:1.44.0-9.module+el8.9.0+18724+20190c23 |
libguestfs-debugsource Red Hat:enterprise_linux:8::appstream | All versions | 1:1.44.0-9.module+el8.9.0+18724+20190c23 |
libguestfs-devel Red Hat:enterprise_linux:8::appstream | All versions | 1:1.44.0-9.module+el8.9.0+18724+20190c23 |
libguestfs-gfs2 Red Hat:enterprise_linux:8::appstream | All versions | 1:1.44.0-9.module+el8.9.0+18724+20190c23 |
libguestfs-gobject Red Hat:enterprise_linux:8::appstream | All versions | 1:1.44.0-9.module+el8.9.0+18724+20190c23 |
libguestfs-gobject-debuginfo Red Hat:enterprise_linux:8::appstream | All versions | 1:1.44.0-9.module+el8.9.0+18724+20190c23 |
libguestfs-gobject-devel Red Hat:enterprise_linux:8::appstream | All versions | 1:1.44.0-9.module+el8.9.0+18724+20190c23 |
libguestfs-inspect-icons Red Hat:enterprise_linux:8::appstream | All versions | 1:1.44.0-9.module+el8.9.0+18724+20190c23 |
libguestfs-java Red Hat:enterprise_linux:8::appstream | All versions | 1:1.44.0-9.module+el8.9.0+18724+20190c23 |
libguestfs-java-debuginfo Red Hat:enterprise_linux:8::appstream | All versions | 1:1.44.0-9.module+el8.9.0+18724+20190c23 |
libguestfs-java-devel Red Hat:enterprise_linux:8::appstream | All versions | 1:1.44.0-9.module+el8.9.0+18724+20190c23 |
libguestfs-javadoc Red Hat:enterprise_linux:8::appstream | All versions | 1:1.44.0-9.module+el8.9.0+18724+20190c23 |
libguestfs-man-pages-ja Red Hat:enterprise_linux:8::appstream | All versions | 1:1.44.0-9.module+el8.9.0+18724+20190c23 |
libguestfs-man-pages-uk Red Hat:enterprise_linux:8::appstream | All versions | 1:1.44.0-9.module+el8.9.0+18724+20190c23 |
libguestfs-rescue Red Hat:enterprise_linux:8::appstream | All versions | 1:1.44.0-9.module+el8.9.0+18724+20190c23 |
libguestfs-rsync Red Hat:enterprise_linux:8::appstream | All versions | 1:1.44.0-9.module+el8.9.0+18724+20190c23 |
libguestfs-tools Red Hat:enterprise_linux:8::appstream | All versions | 1:1.44.0-9.module+el8.9.0+18724+20190c23 |
libguestfs-tools-c Red Hat:enterprise_linux:8::appstream | All versions | 1:1.44.0-9.module+el8.9.0+18724+20190c23 |
libguestfs-tools-c-debuginfo Red Hat:enterprise_linux:8::appstream | All versions | 1:1.44.0-9.module+el8.9.0+18724+20190c23 |
libguestfs-winsupport Red Hat:enterprise_linux:8::appstream | All versions | 0:8.9-1.module+el8.9.0+19846+58c50e4e |
libguestfs-xfs Red Hat:enterprise_linux:8::appstream | All versions | 1:1.44.0-9.module+el8.9.0+18724+20190c23 |
libiscsi Red Hat:enterprise_linux:8::appstream | All versions | 0:1.18.0-8.module+el8.9.0+18724+20190c23 |
libiscsi-debuginfo Red Hat:enterprise_linux:8::appstream | All versions | 0:1.18.0-8.module+el8.9.0+18724+20190c23 |
libiscsi-debugsource Red Hat:enterprise_linux:8::appstream | All versions | 0:1.18.0-8.module+el8.9.0+18724+20190c23 |
libiscsi-devel Red Hat:enterprise_linux:8::appstream | All versions | 0:1.18.0-8.module+el8.9.0+18724+20190c23 |
libiscsi-utils Red Hat:enterprise_linux:8::appstream | All versions | 0:1.18.0-8.module+el8.9.0+18724+20190c23 |
libiscsi-utils-debuginfo Red Hat:enterprise_linux:8::appstream | All versions | 0:1.18.0-8.module+el8.9.0+18724+20190c23 |
libnbd Red Hat:enterprise_linux:8::appstream | All versions | 0:1.6.0-5.module+el8.9.0+18724+20190c23 |
libnbd-bash-completion Red Hat:enterprise_linux:8::appstream | All versions | 0:1.6.0-5.module+el8.9.0+18724+20190c23 |
libnbd-debuginfo Red Hat:enterprise_linux:8::appstream | All versions | 0:1.6.0-5.module+el8.9.0+18724+20190c23 |
libnbd-debugsource Red Hat:enterprise_linux:8::appstream | All versions | 0:1.6.0-5.module+el8.9.0+18724+20190c23 |
libnbd-devel Red Hat:enterprise_linux:8::appstream | All versions | 0:1.6.0-5.module+el8.9.0+18724+20190c23 |
Products include Qemu Qemu, Redhat Enterprise Linux.
How do I fix CVE-2023-3019?
Apply the vendor's patch.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2023-3019 being exploited?
There is no known exploitation of CVE-2023-3019 in the wild and no public exploit code.
Other vulnerabilities in Qemu Qemu
Sources
Also known as AZL-35595, BELL-CVE-2023-3019, DEBIAN-CVE-2023-3019, GHSA-786x-44fx-qqh8, OESA-2024-1336, OESA-2024-1337 and 3 more.