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CVE-2024-7730

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

Published: Nov 14, 2024Updated: Aug 5, 2025 Sources: CVE List NVD BDUCWE-122
NVD MITRE
7.4CVSSHIGH
EPSS Score
0.3%
Top 79.3%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

A heap buffer overflow was found in the virtio-snd device in QEMU. When reading input audio in the virtio-snd input callback, virtio_snd_pcm_in_cb, the function did not check whether the iov can fit the data buffer. This issue can trigger an out-of-bounds write if the size of the virtio queue element is equal to virtio_snd_pcm_status, which makes the available space for audio data zero.

CVSS Vector Breakdown

AV:LAC:HPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-122

Affected Products

Red Hat Enterprise Linux 6Red Hat
On-premOS
Operating Systems / linux-distro
Red Hat Enterprise Linux 7Red Hat
On-premOS
Operating Systems / linux-distro
Red Hat Enterprise Linux 8Red Hat
On-premOS
Operating Systems / linux-distro
Red Hat Enterprise Linux 8 Advanced VirtualizationRed Hat
On-premOS
Operating Systems / linux-distro
red hatcommercialUSOperating Systemsaka red hat
and 6 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Privilege Escalation
View detailed technique mapping

References

https://access.redhat.com/security/cve/CVE-2024-7730
access.redhat.com
https://bugzilla.redhat.com/show_bug.cgi?id=2304289
bugzilla.redhat.com
https://access.redhat.com/security/cve/CVE-2024-7730
access.redhat.com
and 5 more references View all →

Timeline

Published
Nov 14, 2024
Last Updated
Aug 5, 2025

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