Qemu: denial of service via improper synchronization in qemu nbd server during socket closure
Summary
| CVE | CVE-2024-7409 |
|---|---|
| State | PUBLISHED |
| Assigner | redhat |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2024-08-05 14:15:35 UTC |
| Updated | 2026-10-09 02:16:53 UTC |
| Description | A flaw was found in the QEMU NBD Server. This vulnerability allows a denial of service (DoS) attack via improper synchronization during socket closure when a client keeps a socket open as the server is taken offline. |
Risk And Classification
Primary CVSS: v3.0 7.5 HIGH from [email protected]
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS: 0.010270000 probability, percentile 0.626260000 (date 2026-10-11)
Problem Types: CWE-662 | CWE-662 Improper Synchronization
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.0 | [email protected] | Secondary | 7.5 | HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| 3.0 | CNA | CVSS | 7.5 | HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
CVSS v3.0 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
NoneIntegrity
NoneAvailability
HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Red Hat | Red Hat Enterprise Linux 8 | unaffected 8100020240905091210.489197e6 * rpm | Not specified |
| CNA | Red Hat | Red Hat Enterprise Linux 8 | unaffected 8100020240905091210.489197e6 * rpm | Not specified |
| CNA | Red Hat | Red Hat Enterprise Linux 9 | unaffected 17:9.0.0-10.el9_5 * rpm | Not specified |
| CNA | Red Hat | Red Hat Enterprise Linux 9.2 Extended Update Support | unaffected 17:7.2.0-14.el9_2.14 * rpm | Not specified |
| CNA | Red Hat | Red Hat Enterprise Linux 9.4 Extended Update Support | unaffected 17:8.2.0-11.el9_4.8 * rpm | Not specified |
| CNA | Red Hat | Red Hat OpenShift Container Platform 4.13 | unaffected 413.92.202411212100-0 * rpm | Not specified |
| CNA | Red Hat | Red Hat OpenShift Container Platform 4.13 | unaffected 413.92.202409180051-0 * rpm | Not specified |
| CNA | Red Hat | Red Hat OpenShift Container Platform 4.14 | unaffected 414.92.202411130444-0 * rpm | Not specified |
| CNA | Red Hat | Red Hat OpenShift Container Platform 4.15 | unaffected 415.92.202409162258-0 * rpm | Not specified |
| CNA | Red Hat | Red Hat OpenShift Container Platform 4.15 | unaffected 415.92.202411050056-0 * rpm | Not specified |
| CNA | Red Hat | Red Hat OpenShift Container Platform 4.16 | unaffected 416.94.202411261619-0 * rpm | Not specified |
| CNA | Red Hat | Red Hat OpenShift Container Platform 4.17 | unaffected 417.94.202411261220-0 * rpm | Not specified |
| CNA | Red Hat | Red Hat Enterprise Linux 10 | Not specified | Not specified |
| CNA | Red Hat | Red Hat Enterprise Linux 6 | Not specified | Not specified |
| CNA | Red Hat | Red Hat Enterprise Linux 7 | Not specified | Not specified |
| CNA | Red Hat | Red Hat Enterprise Linux 7 | Not specified | Not specified |
| CNA | Red Hat | Red Hat Enterprise Linux 8 Advanced Virtualization | Not specified | Not specified |
| CNA | Red Hat | Red Hat Enterprise Linux 8 Advanced Virtualization | Not specified | Not specified |
| CNA | Red Hat | Red Hat Enterprise Linux 8 Advanced Virtualization | Not specified | Not specified |
| CNA | Red Hat | Red Hat Enterprise Linux 8 Advanced Virtualization | Not specified | Not specified |
| CNA | Red Hat | Red Hat OpenShift Container Platform 4 | Not specified | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| access.redhat.com/errata/RHSA-2024:9912 | [email protected] | access.redhat.com | |
| access.redhat.com/errata/RHSA-2024:9136 | [email protected] | access.redhat.com | |
| access.redhat.com/errata/RHSA-2024:6811 | [email protected] | access.redhat.com | |
| access.redhat.com/errata/RHSA-2024:10528 | [email protected] | access.redhat.com | |
| access.redhat.com/errata/RHSA-2024:8991 | [email protected] | access.redhat.com | |
| bugzilla.redhat.com/show_bug.cgi | [email protected] | bugzilla.redhat.com | |
| security.netapp.com/advisory/ntap-20250502-0008 | af854a3a-2127-422b-91ae-364da2661108 | security.netapp.com | |
| access.redhat.com/errata/RHSA-2024:9620 | [email protected] | access.redhat.com | |
| access.redhat.com/errata/RHSA-2024:7408 | [email protected] | access.redhat.com | |
| access.redhat.com/security/cve/CVE-2024-7409 | [email protected] | access.redhat.com | |
| access.redhat.com/errata/RHSA-2024:10813 | [email protected] | access.redhat.com | |
| access.redhat.com/errata/RHSA-2024:6818 | [email protected] | access.redhat.com | |
| access.redhat.com/errata/RHSA-2024:10518 | [email protected] | access.redhat.com | |
| access.redhat.com/errata/RHSA-2024:6964 | [email protected] | access.redhat.com | |
| lists.debian.org/debian-lts-announce/2025/09/msg00011.html | af854a3a-2127-422b-91ae-364da2661108 | lists.debian.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Additional Advisory Data
| Source | Time | Event |
|---|---|---|
| CNA | 2024-08-02T10:54:41.000Z | Reported to Red Hat. |
| CNA | 2024-08-02T11:05:09.000Z | Made public. |
Workarounds
CNA: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
There are currently no legacy QID mappings associated with this CVE.