CVE-2024-7409

Qemu: denial of service via improper synchronization in qemu nbd server during socket closure

HIGH
7.5
CVSS Score
Published: August 5, 2024 at 01:19 PM UTC
Updated: October 9, 2026 at 02:16 AM UTC
3 products affected across 2 vendorsOpenShift Container PlatformEnterprise Linux Advanced VirtualizationQEMU

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Severity
HIGH7.5
Exploit prediction
EPSS 1%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

All versions4
Vendor states this is fixed in 413.92.202409180051-0 (unaffected)
Vendor states this is fixed in 413.92.202411212100-0 (unaffected)
Vendor states this is fixed in 414.92.202411130444-0 (unaffected)
Vendor states this is fixed in 415.92.202409162258-0 (unaffected)
Vendor states this is fixed in 415.92.202411050056-0 (unaffected)
Vendor states this is fixed in 416.94.202411261619-0 (unaffected)
Vendor states this is fixed in 417.94.202411261220-0 (unaffected)
All versions

References (15)

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHredhat
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-662

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