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Fencer Vulns
medium 5.5

CVE-2024-3567 json

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

published 2024-04-10 2 y ago modified 2026-11-05 3 d ago also EUVD-2024-32153

cvss
5.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 38%
public exploits
0
none known

Summary

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.

Patch / fix

  • Red Hat Red Hat Enterprise Linux 9 17:9.0.0-10.el9_5.3
  • qemu Debian 14, Debian 13 1:8.2.3+ds-1

debian advisories DEBIAN-CVE-2024-3567

  • qemu Ubuntu 24.04 LTS 1:8.2.2+ds-0ubuntu1.10

ubuntu advisories UBUNTU-CVE-2024-3567

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • qemu-kvm RHEL 9 17:9.0.0-10.el9_5.3
  • qemu-img RHEL 9 17:9.0.0-10.el9_5.3
  • qemu-kvm-core RHEL 9 17:9.0.0-10.el9_5.3
  • qemu-kvm-tools RHEL 9 17:9.0.0-10.el9_5.3
  • qemu-pr-helper RHEL 9 17:9.0.0-10.el9_5.3
  • qemu-kvm-common RHEL 9 17:9.0.0-10.el9_5.3
  • qemu-guest-agent RHEL 9 17:9.0.0-10.el9_5.3
  • qemu-kvm-audio-pa RHEL 9 17:9.0.0-10.el9_5.3

red hat advisories RHSA-2025:4492

  • qemu Linux Micro 6.0 8.2.5-1.1

suse advisories SUSE-SU-2025:20011-1

  • qemu openSUSE Tumbleweed 8.2.2-2.1

opensuse advisories openSUSE-SU-2024:13876-1

  • qemu-kvm Rocky Linux 9 7:9.0.0-10.el9_5.3

rocky linux advisories RLSA-2025:4492

  • qemu Azure Linux 3.0 8.2.0-16

azure linux advisories AZL-43050

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2024-3567 updated cvss 5.5

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

  • Red Hat Enterprise Linux AppStream (v. 9) qemu-img 9.0.0-10.el9_5.3, qemu-kvm 9.0.0-10.el9_5.3, qemu-kvm-core 9.0.0-10.el9_5.3, qemu-kvm-tools 9.0.0-10.el9_5.3, qemu-pr-helper 9.0.0-10.el9_5.3, qemu-kvm-common 9.0.0-10.el9_5.3, +13 more
    fixed: vendor fix RHSA-2025:4492
  • Red Hat Enterprise Linux 6 qemu-img, qemu-kvm, qemu-kvm-tools, qemu-guest-agent, qemu-guest-agent-win32 Red Hat Enterprise Linux 7 qemu-img, qemu-kvm, libcacard, qemu-img-ma, qemu-kvm-ma, qemu-kvm-tools, +5 more Red Hat Enterprise Linux 8 qemu-img, qemu-kvm, qemu-kvm-core, qemu-kvm-tests, qemu-kvm-common, qemu-guest-agent, +8 more Red Hat Enterprise Linux 8 Advanced Virtualization qemu-img, qemu-kvm, qemu-kiwi, qemu-kvm-core, qemu-kvm-tests, qemu-kvm-common, +9 more
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.45% chance of exploitation in the next 30 days, higher than 38% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • gitlab.com https://gitlab.com/qemu-project/qemu/-/issues/2273 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products

  • Red Hat Red Hat Enterprise Linux 9
  • Red Hat Red Hat Enterprise Linux 6
  • Red Hat Red Hat Enterprise Linux 7
  • Red Hat Red Hat Enterprise Linux 8
  • Red Hat Red Hat Enterprise Linux 8 Advanced Virtualization

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.