#VU87970 Uncontrolled Memory Allocation in libvirt - CVE-2024-2494

Vulnerability identifier: #VU87970

Vulnerability risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-2494

CWE-ID: CWE-789

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
libvirt
Universal components / Libraries / Libraries used by multiple products

Vendor: libvirt.org

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to uncontrolled memory allocation within the g_new0() function. A local user can perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

libvirt: 7.0.0 - 10.1.0

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External links
https://access.redhat.com/security/cve/CVE-2024-2494
https://bugzilla.redhat.com/show_bug.cgi?id=2270115
https://lists.libvirt.org/archives/list/devel@lists.libvirt.org/thread/BKRQXPLPC6B7FLHJXSBQYW7HNDEBW6RJ/
https://lists.debian.org/debian-lts-announce/2024/04/msg00000.html

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.