CVE-2024-8235 Libvirt: crash of virtinterfaced via virconnectlistinterfaces()
Medium 6.2
Published
Updated
Check this codebase for CVE-2024-8235 and fix it if it is affected.
What it is: CVE-2024-8235 is a medium-severity vulnerability in Redhat Libvirt, published on 30 Aug 2024. 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-2024-8235 in the wild and no public exploit code.
Affected product: Redhat Libvirt. 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-2024-8235/ (Markdown: https://insights.sbomify.com/CVE-2024-8235/index.md)
A NULL pointer dereference in libvirt allows remote clients to crash the virtinterfaced daemon, causing a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-8235?
CVE-2024-8235 is a medium-severity vulnerability in Redhat Libvirt, published on 30 Aug 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A flaw was found in libvirt. A refactor of the code fetching the list of interfaces for multiple APIs introduced a corner case on platforms where allocating 0 bytes of memory results in a NULL pointer. This corner case would lead to a NULL-pointer dereference and subsequent crash of virtinterfaced. This issue could allow clients connecting to the read-only socket to crash the virtinterfaced daemon.
Weakness: CWE-476
Which versions are affected by CVE-2024-8235?
It affects 1 product.
Linux distribution packages (40)
libvirt AlmaLinux:9 | All versions | 10.5.0-7.el9_5.alma.1 |
libvirt-client AlmaLinux:9 | All versions | 10.5.0-7.el9_5.alma.1 |
libvirt-client-qemu AlmaLinux:9 | All versions | 10.5.0-7.el9_5.alma.1 |
libvirt-daemon AlmaLinux:9 | All versions | 10.5.0-7.el9_5.alma.1 |
libvirt-daemon-common AlmaLinux:9 | All versions | 10.5.0-7.el9_5.alma.1 |
libvirt-daemon-config-network AlmaLinux:9 | All versions | 10.5.0-7.el9_5.alma.1 |
libvirt-daemon-config-nwfilter AlmaLinux:9 | All versions | 10.5.0-7.el9_5.alma.1 |
libvirt-daemon-driver-interface AlmaLinux:9 | All versions | 10.5.0-7.el9_5.alma.1 |
libvirt-daemon-driver-network AlmaLinux:9 | All versions | 10.5.0-7.el9_5.alma.1 |
libvirt-daemon-driver-nodedev AlmaLinux:9 | All versions | 10.5.0-7.el9_5.alma.1 |
libvirt-daemon-driver-nwfilter AlmaLinux:9 | All versions | 10.5.0-7.el9_5.alma.1 |
libvirt-daemon-driver-qemu AlmaLinux:9 | All versions | 10.5.0-7.el9_5.alma.1 |
libvirt-daemon-driver-secret AlmaLinux:9 | All versions | 10.5.0-7.el9_5.alma.1 |
libvirt-daemon-driver-storage AlmaLinux:9 | All versions | 10.5.0-7.el9_5.alma.1 |
libvirt-daemon-driver-storage-core AlmaLinux:9 | All versions | 10.5.0-7.el9_5.alma.1 |
libvirt-daemon-driver-storage-disk AlmaLinux:9 | All versions | 10.5.0-7.el9_5.alma.1 |
libvirt-daemon-driver-storage-iscsi AlmaLinux:9 | All versions | 10.5.0-7.el9_5.alma.1 |
libvirt-daemon-driver-storage-logical AlmaLinux:9 | All versions | 10.5.0-7.el9_5.alma.1 |
libvirt-daemon-driver-storage-mpath AlmaLinux:9 | All versions | 10.5.0-7.el9_5.alma.1 |
libvirt-daemon-driver-storage-rbd AlmaLinux:9 | All versions | 10.5.0-7.el9_5.alma.1 |
libvirt-daemon-driver-storage-scsi AlmaLinux:9 | All versions | 10.5.0-7.el9_5.alma.1 |
libvirt-daemon-kvm AlmaLinux:9 | All versions | 10.5.0-7.el9_5.alma.1 |
libvirt-daemon-lock AlmaLinux:9 | All versions | 10.5.0-7.el9_5.alma.1 |
libvirt-daemon-log AlmaLinux:9 | All versions | 10.5.0-7.el9_5.alma.1 |
libvirt-daemon-plugin-lockd AlmaLinux:9 | All versions | 10.5.0-7.el9_5.alma.1 |
libvirt-daemon-plugin-sanlock AlmaLinux:9 | All versions | 10.5.0-7.el9_5.alma.1 |
libvirt-daemon-proxy AlmaLinux:9 | All versions | 10.5.0-7.el9_5.alma.1 |
libvirt-devel AlmaLinux:9 | All versions | 10.5.0-7.el9_5.alma.1 |
libvirt-docs AlmaLinux:9 | All versions | 10.5.0-7.el9_5.alma.1 |
libvirt-libs AlmaLinux:9 | All versions | 10.5.0-7.el9_5.alma.1 |
libvirt-nss AlmaLinux:9 | All versions | 10.5.0-7.el9_5.alma.1 |
libvirt-ssh-proxy AlmaLinux:9 | All versions | 10.5.0-7.el9_5.alma.1 |
libvirt Red Hat:enterprise_linux:9::appstream | All versions | 0:10.5.0-7.el9_5 |
libvirt-client Red Hat:enterprise_linux:9::appstream | All versions | 0:10.5.0-7.el9_5 |
libvirt-client-debuginfo Red Hat:enterprise_linux:9::appstream | All versions | 0:10.5.0-7.el9_5 |
libvirt-client-qemu Red Hat:enterprise_linux:9::appstream | All versions | 0:10.5.0-7.el9_5 |
libvirt-daemon Red Hat:enterprise_linux:9::appstream | All versions | 0:10.5.0-7.el9_5 |
libvirt-daemon-common Red Hat:enterprise_linux:9::appstream | All versions | 0:10.5.0-7.el9_5 |
libvirt-daemon-common-debuginfo Red Hat:enterprise_linux:9::appstream | All versions | 0:10.5.0-7.el9_5 |
libvirt-daemon-config-network Red Hat:enterprise_linux:9::appstream | All versions | 0:10.5.0-7.el9_5 |
Products include Redhat Libvirt.
How do I fix CVE-2024-8235?
Apply the vendor's patch.
Is CVE-2024-8235 being exploited?
There is no known exploitation of CVE-2024-8235 in the wild and no public exploit code.
Other vulnerabilities in Redhat Libvirt
Sources
Also known as ALSA-2024:9128, BELL-CVE-2024-8235, DEBIAN-CVE-2024-8235, GHSA-94ch-6cfh-xxgc, RHSA-2024:9128, RLSA-2024:9128 and 1 more.