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VulnerabilityPublished Updated

CVE-2024-3567: net · Reachable Assertion

Affects netSource GCVE Database

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Not known to be exploited · CVSS 5.5 Medium.

Data as of 4 Nov 2026, 18:53 UTC

CVSS 3.1 base score
5.5Medium
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (redhat)CVSS 3.15.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 10 Apr 2024

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 4 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
GitHubqemu-project/qemupkg:github/qemu-project/qemuOther threatsAffected
  • =8.2.92
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Red Hat has issued security updates for qemu-kvm packages that fix this vulnerability. Users of affected Red Hat Enterprise Linux 9 versions should apply the provided updates as detailed in Red Hat Advisory RHSA-2025:4492. No additional mitigation steps are required beyond applying the official patches.

Description

CVE-2024-3567 is a reachable assertion vulnerability in QEMU's update_sctp_checksum() function within the net component. It occurs when calculating the checksum of a short-sized fragmented packet, leading to an assertion failure. This flaw allows a malicious guest to crash QEMU, causing a denial of service (DoS) condition. The vulnerability has a CVSS score of 5.5 (medium severity). Red Hat has released security updates addressing this issue in qemu-kvm packages for Red Hat Enterprise Linux 9 and related variants.

References

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