CVE-2024-2494
mediumpriority · track · 0EPSS 0.004 · 30 %ileDEEURUUSEPSS · scored 2026-10-27
A flaw was found in the RPC library APIs of libvirt. The RPC server deserialization code allocates memory for arrays before the non-negative length check is performed by the C API entry points. Passing a negative length to the g_new0 function results in a crash due to the negative length being treated as a huge positive number. This flaw allows a local, unprivileged user to perform a denial of service attack by causing the libvirt daemon to crash.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (24)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2024-0692libvirt: Schwachstelle ermöglicht Denial of ServiceDeutsch2024-03-21csaf · cert_bundDE
Ein lokaler Angreifer kann eine Schwachstelle in libvirt ausnutzen, um einen Denial of Service Angriff durchzuführen.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (18)
External citations — patches, advisories, analysis.
- https://access.redhat.com/security/cve/CVE-2024-2494cnnvd
- https://access.redhat.com/security/cve/cve-2024-2494cnnvd
- https://bugzilla.redhat.com/show_bug.cgi?id=2270115cnnvd
- https://cxsecurity.com/cveshow/CVE-2024-2494/cnnvd
- https://lists.libvirt.org/archives/list/devel@lists.libvirt.org/thread/BKRQXPLPC6B7FLHJXSBQYW7HNDEBW6RJ/cnnvd
- https://vigilance.fr/vulnerability/libvirt-integer-overflow-via-RPC-Library-API-43934cnnvd
- https://access.redhat.com/errata/RHSA-2024:2560enisa_euvd
- https://access.redhat.com/errata/RHSA-2024:3253enisa_euvd
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