Bug 2274339 (CVE-2024-3567)

Summary:	CVE-2024-3567 qemu-kvm: net: assertion failure in update_sctp_checksum()
Product:	[Other] Security Response	Reporter:	Mauro Matteo Cascella <mcascell>
Component:	vulnerability	Assignee:	Product Security <prodsec-ir-bot>
Status:	NEW ---	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	ailan, ddepaula, jen, jferlan, jmaloy, kkiwi, knoel, mrezanin, mst, nilal, pbonzini, ymankad
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	---
Doc Text:	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.	Story Points:	---
Clone Of:		Environment:
Last Closed:		Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	2274340
Bug Blocks:	2274342

Description Mauro Matteo Cascella 2024-04-10 12:28:32 UTC

An assertion failure issue was found 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. A malicious guest could use this flaw to crash QEMU and cause a denial of service condition.

Upstream issue & patch:
https://gitlab.com/qemu-project/qemu/-/issues/2273
https://patchew.org/QEMU/20240410070459.49112-1-philmd@linaro.org/

Comment 1 Mauro Matteo Cascella 2024-04-10 12:28:50 UTC

Created qemu tracking bugs for this issue:

Affects: fedora-all [bug 2274340]

Comment 4 errata-xmlrpc 2025-05-06 02:24:13 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2025:4492 https://access.redhat.com/errata/RHSA-2025:4492