Answer in brief
CVE-2024-7409 records a High severity (CVSS 7.5) vulnerability in Qemu: denial of service via improper synchronization in qemu nbd server during socket closure. The current sources do not mark it as known exploited. The current feed maps Red Hat/openshift/ose-rhel-coreos-8 (generic), Red Hat/virt:8.2/qemu-kvm (generic), Red Hat/virt:av/qemu-kvm (generic), Red Hat/virt-devel:8.2/qemu-kvm (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 7.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Red Hat/openshift/ose-rhel-coreos-8 (generic), Red Hat/virt:8.2/qemu-kvm (generic), Red Hat/virt:av/qemu-kvm (generic), Red Hat/virt-devel:8.2/qemu-kvm (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Red Hat/openshift/ose-rhel-coreos-8generic | * | Not reported |
| Red Hat/virt:8.2/qemu-kvmgeneric | * | Not reported |
| Red Hat/virt:av/qemu-kvmgeneric | * | Not reported |
| Red Hat/virt-devel:8.2/qemu-kvmgeneric | * | Not reported |
| Red Hat/virt-devel:av/qemu-kvmgeneric | * | Not reported |
Published upstream
Aug 5, 2024
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Oct 9, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 31, 2026
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.
Quoted source text, attributed separately from HOL analysis.