#VU94527 Out-of-bounds read in QEMU - CVE-2024-6505

Vulnerability identifier: #VU94527

Vulnerability risk: Low

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-6505

CWE-ID: CWE-125

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
QEMU
Client/Desktop applications / Virtualization software

Vendor: QEMU

Description

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

The vulnerability exists due to a boundary condition within the virtio-net device in QEMU when enabling the RSS feature on the virtio-net network card. A remote privileged user can trigger an out-of-bounds read error and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

QEMU: All versions

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External links
https://access.redhat.com/security/cve/CVE-2024-6505
https://bugzilla.redhat.com/show_bug.cgi?id=2295760

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

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