#VU87448 Off-by-one in libvirt - CVE-2024-1441

Vulnerability identifier: #VU87448

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-2024-1441

CWE-ID: CWE-193

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 an off-by-one error in the udevListInterfacesByStatus() function when the number of interfaces exceeds the size of the "names" array. A local user can trigger an off-by-one error and crash the daemon.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

libvirt: 9.0.0 - 10.0.0

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External links
https://access.redhat.com/security/cve/CVE-2024-1441
https://bugzilla.redhat.com/show_bug.cgi?id=2263841

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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.