{"id":"CVE-2024-3567","title":"Qemu-kvm: net: assertion failure in update_sctp_checksum()","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 cras…","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cvssSource":"cna","cwe":["CWE-617"],"vendor":"Red Hat","product":"net","affected":["net 8.2.92","qemu-kvm (all versions)","qemu-kvm","qemu-kvm","qemu-kvm-ma","virt:rhel/qemu-kvm","virt:av/qemu-kvm"],"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2024-04-10T19:35:38.865793Z"},"exploitAvailable":true,"published":"2024-04-10","updated":"2026-11-05","sourceUpdated":"2026-11-05T12:18:13.135Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2024-3567","references":[{"url":"https://access.redhat.com/errata/RHSA-2025:4492","label":"RHSA-2025:4492"},{"url":"https://access.redhat.com/security/cve/CVE-2024-3567"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2274339","label":"RHBZ#2274339"},{"url":"https://gitlab.com/qemu-project/qemu/-/issues/2273"}],"tags":["cve.org","exploit-available"],"epss":0.00445,"epssPercentile":0.38847,"ingestedAt":"2026-11-05T21:36:00.836Z","slug":"CVE-2024-3567","body":"## Overview\n\nA 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.\n\n## Affected\n\n- `net 8.2.92`\n- `qemu-kvm (all versions)`\n- `qemu-kvm`\n- `qemu-kvm`\n- `qemu-kvm-ma`\n- `virt:rhel/qemu-kvm`\n- `virt:av/qemu-kvm`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":42,"depthScoreParts":{"impact":30.3,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[]}