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.
CVE-2024-7409
Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2024-08-05. NVD baseline CVSS 7.5; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
A fix is available — apply it.
- CVSS v3
- 7.5
- EG Score
- 7.5(medium)
- EG Risk
- 49(Track)EG Risk 49/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity75% × 45%Exploitation1% × 40%Automatability100% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 1%
- EPSS %ILE
- 62%
- KEV
- Not listed
Published
August 5, 2024
Last Modified
September 1, 2026
Advisory Details (10)
Auto-updated Aug 31, 2026Affected: Red Hat Enterprise Linux 9.
https://access.redhat.com/errata/RHSA-2024:9136Affected: Red Hat Enterprise Linux 9.2 Extended Update Support.
https://access.redhat.com/errata/RHSA-2024:7408Affected: Red Hat Enterprise Linux 8.
https://access.redhat.com/errata/RHSA-2024:6964Vendor Advisories for CVE-2024-7409(10)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
- RHSA-2024:10813Red Hat Product SecurityHigh
Red Hat Security Advisory: OpenShift Container Platform 4.13.54 bug fix and security update
- RHSA-2024:10518Red Hat Product SecurityHigh
Red Hat Security Advisory: OpenShift Container Platform 4.17.7 bug fix and security update
- RHSA-2024:9620Red Hat Product SecurityHigh
Red Hat Security Advisory: OpenShift Container Platform 4.14.41 bug fix and security update
- RHSA-2024:9912Red Hat Product SecurityMedium
Red Hat Security Advisory: qemu-kvm security update
- RHSA-2024:8991Red Hat Product SecurityHigh
Red Hat Security Advisory: OpenShift Container Platform 4.15.38 bug fix and security update
- RHSA-2024:9136Red Hat Product SecurityMedium
Red Hat Security Advisory: qemu-kvm security update
- RHSA-2024:7408Red Hat Product SecurityMedium
Red Hat Security Advisory: qemu-kvm security update
- RHSA-2024:6818Red Hat Product SecurityMedium
Red Hat Security Advisory: OpenShift Container Platform 4.15.34 bug fix and security update
- +2 more
Patch Availability(13)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | qemu-utils (1:2.5+dfsg-5ubuntu10.51+esm4) @ xenial | 2026-09-01 | ubuntu |
| ubuntu | qemu-utils (1:9.2.1+ds-1ubuntu5.2) @ plucky | 2026-09-01 | ubuntu |
| redhat | rhcos-413.92.202411212100-0 | 2024-12-12 | redhat |
| redhat | rhcos-416.94.202411261619-0 | 2024-12-04 | redhat |
| redhat | rhcos-417.94.202411261220-0 | 2024-12-03 | redhat |
| redhat | rhcos-414.92.202411130444-0 | 2024-11-20 | redhat |
| redhat | qemu-kvm-17:8.2.0-11.el9_4.8 | 2024-11-19 | redhat |
| redhat | rhcos-415.92.202411050056-0 | 2024-11-13 | redhat |
| redhat | qemu-kvm-17:9.0.0-10.el9_5 | 2024-11-12 | redhat |
| redhat | qemu-kvm-17:7.2.0-14.el9_2.14 | 2024-10-01 | redhat |
| redhat | rhcos-415.92.202409162258-0 | 2024-09-25 | redhat |
| redhat | rhcos-413.92.202409180051-0 | 2024-09-25 | redhat |
| redhat | virt:rhel-8100020240905091210.489197e6 | 2024-09-24 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Affected Packages
(4 across 4 ecosystems)
Debian:11(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| qemu | 1:5.2+dfsg-11, 1:5.2+dfsg-11+deb11u1, 1:5.2+dfsg-11+deb11u2, 1:5.2+dfsg-11+deb11u3, 1:5.2+dfsg-11+deb11u4 | 1:5.2+dfsg-11+deb11u5 | — |
Debian:12(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| qemu | 1:7.2+dfsg-7 ... 1:7.2+dfsg-7+deb12u7 (9 versions) | 1:7.2+dfsg-7+deb12u8 | — |
Debian:13(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| qemu | — | 1:9.0.2+ds-3 | — |
Debian:14(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| qemu | — | 1:9.0.2+ds-3 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Additional Vendor Advisories
(4)
Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.
Data Freshness Timeline
(refreshed 8× in last 7d / 39× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 189 total refreshes for this CVE.
- 2026-09-18 19:27 UTCEPSS rescore
- 2026-09-18 19:26 UTCEPSS rescore
- 2026-09-16 14:06 UTCEPSS rescore
- 2026-09-16 14:06 UTCEPSS rescore
- 2026-09-16 05:13 UTCEPSS rescore
- 2026-09-15 03:08 UTCEPSS rescore
- 2026-09-13 16:45 UTCEPSS rescore
- 2026-09-12 14:59 UTCEPSS rescore
- 2026-09-11 14:51 UTCEPSS rescore
- 2026-09-11 09:35 UTCEPSS rescore
- 2026-09-10 09:33 UTCEPSS rescore
- 2026-09-07 16:00 UTCEPSS rescore
- 2026-09-06 13:46 UTCEPSS rescore
- 2026-09-04 13:59 UTCEPSS rescore
- 2026-09-04 05:05 UTCEPSS rescore
- 2026-09-02 14:10 UTCEPSS rescore
- 2026-09-01 13:52 UTCEPSS rescore
- 2026-09-01 12:33 UTCVendor advisory
- 2026-09-01 12:33 UTCGHSA enrichment
- 2026-09-01 11:57 UTCEG score recompute
- 2026-09-01 11:57 UTCVendor advisory
- 2026-09-01 11:57 UTCGHSA enrichment
- 2026-08-31 18:37 UTCVendor advisory
- 2026-08-31 18:37 UTCGHSA enrichment
- 2026-08-31 17:28 UTCEG score recompute
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- 2026-08-31 17:28 UTCVendor advisory
- 2026-08-31 17:27 UTCGHSA enrichment
- 2026-08-30 19:16 UTCEPSS rescore
- 2026-08-30 19:16 UTCEPSS rescore
- 2026-08-30 01:21 UTCEPSS rescore
- 2026-08-29 15:43 UTCOSV refresh
- 2026-08-28 21:39 UTCEPSS rescore
- 2026-08-27 14:24 UTCEPSS rescore
- 2026-08-26 14:44 UTCEPSS rescore
- 2026-08-25 13:47 UTCEPSS rescore
- 2026-08-24 14:15 UTCEPSS rescore
- 2026-08-23 00:18 UTCEPSS rescore
- 2026-08-21 23:47 UTCEPSS rescore
- 2026-08-20 22:54 UTCEPSS rescore
- 2026-08-19 17:02 UTCEPSS rescore
- 2026-08-18 13:47 UTCEPSS rescore
- 2026-08-17 13:46 UTCEPSS rescore
- 2026-08-16 14:55 UTCEPSS rescore
- 2026-08-16 02:13 UTCEPSS rescore
- 2026-08-15 01:29 UTCEPSS rescore
- 2026-08-13 21:59 UTCEPSS rescore
- 2026-08-13 03:00 UTCOSV refresh
- 2026-08-12 13:49 UTCEPSS rescore
- 2026-08-10 23:58 UTCEPSS rescore
- 2026-08-09 13:45 UTCEPSS rescore
- 2026-08-08 16:35 UTCEPSS rescore
- 2026-08-07 16:26 UTCEPSS rescore
- 2026-08-06 13:45 UTCEPSS rescore
- 2026-08-05 19:16 UTCEPSS rescore
- 2026-08-05 19:16 UTCEPSS rescore
- 2026-08-04 15:08 UTCEPSS rescore
- 2026-08-04 10:37 UTCEPSS rescore
- 2026-08-03 10:35 UTCEPSS rescore
- 2026-08-02 02:25 UTCEPSS rescore
- 2026-08-01 04:14 UTCEPSS rescore
- 2026-07-30 16:26 UTCEPSS rescore
- 2026-07-30 01:29 UTCEPSS rescore
- 2026-07-28 15:35 UTCEPSS rescore
- 2026-07-28 10:54 UTCOSV refresh
- 2026-07-27 14:12 UTCEPSS rescore
- 2026-07-26 14:53 UTCEPSS rescore
- 2026-07-25 14:17 UTCEPSS rescore
- 2026-07-25 14:17 UTCEPSS rescore
- 2026-07-23 14:17 UTCEPSS rescore
- 2026-07-23 02:46 UTCEG score recompute
- 2026-07-22 14:07 UTCEPSS rescore
- 2026-07-22 14:07 UTCEPSS rescore
- 2026-07-21 15:24 UTCEPSS rescore
- 2026-07-20 17:07 UTCEPSS rescore
- 2026-07-19 14:30 UTCEPSS rescore
- 2026-07-19 02:28 UTCEPSS rescore
- 2026-07-19 02:28 UTCEPSS rescore
- 2026-07-18 10:03 UTCEPSS rescore
- 2026-07-18 10:03 UTCEPSS rescore
- 2026-07-16 17:02 UTCEPSS rescore
- 2026-07-16 17:02 UTCEPSS rescore
- 2026-07-15 16:57 UTCEPSS rescore
- 2026-07-15 16:57 UTCEPSS rescore
- 2026-07-15 01:59 UTCEPSS rescore
- 2026-07-15 01:59 UTCEPSS rescore
- 2026-07-13 22:29 UTCEPSS rescore
- 2026-07-13 22:29 UTCEPSS rescore
- 2026-07-13 06:12 UTCEPSS rescore
- 2026-07-12 05:45 UTCEPSS rescore
- 2026-07-12 05:45 UTCEPSS rescore
- 2026-07-11 08:26 UTCEPSS rescore
- 2026-07-11 02:52 UTCOSV refresh
- 2026-07-09 19:09 UTCEPSS rescore
- 2026-07-09 19:09 UTCEPSS rescore
- 2026-07-08 15:14 UTCEPSS rescore
- 2026-07-07 13:45 UTCEPSS rescore
- 2026-07-06 16:26 UTCEPSS rescore
- 2026-07-06 16:26 UTCEPSS rescore
- 2026-07-06 02:22 UTCEPSS rescore
- 2026-07-05 02:30 UTCEPSS rescore
Frequently asked(5)
What is CVE-2024-7409?
When was CVE-2024-7409 disclosed?
Is CVE-2024-7409 actively exploited?
What is the CVSS score of CVE-2024-7409?
How do I remediate CVE-2024-7409?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2024-7409
Is Your Infrastructure Affected by CVE-2024-7409?
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