CVE-2024-3567

Qemu-kvm: net: assertion failure in update_sctp_checksum()

MEDIUM
5.5
CVSS Score
Published: April 10, 2024 at 02:32 PM UTC
Updated: June 17, 2026 at 07:44 AM UTC
2 products affected across 2 vendorsEnterprise LinuxQEMU

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.4%
SSVC
PoC

Description

A flaw was found in QEMU. An assertion failure was present in the update_sctp_checksum() function in hw/net/net_tx_pkt.c when trying to calculate the checksum of a short-sized fragmented packet. This flaw allows a malicious guest to crash QEMU and cause a denial of service condition.

Affected

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

8.1.0 ≤ v < 8.2.39.0.0 rc09.0.0 rc19.0.0 rc2
Affected range stops below 8.2.3, so it looks safe — our inference, not a vendor statement
Vendor states this is fixed in 17:9.0.0-10.el9_5.3 (unaffected)
Vendor states this is fixed in 6 (unaffected)
Vendor states this is fixed in 7 (unaffected)
Vendor states this is fixed in 8 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

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

CVSS

5.5MEDIUMredhat
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-617

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