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CVE-2024-7730

24
FAUCET Score

CVE-2024-7730 is a high-severity heap buffer overflow vulnerability affecting the virtio-snd device in QEMU, specifically within the virtio_snd_pcm_in_cb function. This flaw allows for an out-of-bounds write due to insufficient size checks during audio input processing, potentially leading to a complete compromise of confidentiality, integrity, and availability. With a CVSS score of 7.8, this vulnerability can be exploited locally with low complexity and no user interaction. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 9.1.0CPE matchmatch criteria
cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.27%
Probability of exploitation in next 30 days
EPSS Percentile
19.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0027 is in the 55th percentile among its peer group of 17,070 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

microsoftpatch availablevia msrc
Product: 17460-17084Fixed in: 8.2.0-14
microsoftpatch availablevia msrc
Product: 17459-17084Fixed in: 8.2.0-14
microsoftpatch availablevia msrc
Product: azl3 qemu 8.2.0-14 on Azure Linux 3.0Fixed in: 8.2.0-14
microsoftpatch availablevia msrc
Product: azl3 qemu 8.2.0-16 on Azure Linux 3.0Fixed in: 8.2.0-14

Vendor Advisories (2)

microsoft2024-Nov/CVE-2024-7730Important

Qemu-kvm: virtio-snd: heap buffer overflow in virtio_snd_pcm_in_cb()

Nov 12, 2024
redhatCVE-2024-7730Important

qemu-kvm: virtio-snd: heap buffer overflow in virtio_snd_pcm_in_cb()

Jul 5, 2024

References

access.redhat.com / security/cve/CVE-2024-7730
Third Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingThird Party Advisory