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CVE-2024-2494

Public on 2024-03-21
Modified on 2024-03-23
Description

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.

Severity
Medium
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CVSS v3 Base Score
6.2
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Affected Packages

Platform Package Release Date Advisory
Amazon Linux 2 - Core libvirt 2024-04-11 01:07 ALAS2-2024-2513

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 6.2 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD CVSSv3 6.2 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H