{"id":"CVE-2025-29915","summary":"Suricata af-packet: defrag option can lead to truncated packets affecting visibility","details":"Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. The AF_PACKET defrag option is enabled by default and allows AF_PACKET to re-assemble fragmented packets before reaching Suricata. However the default packet size in Suricata is based on the network interface MTU which leads to Suricata seeing truncated packets. Upgrade to Suricata 7.0.9, which uses better defaults and adds warnings for user configurations that may lead to issues.","aliases":["GHSA-7m5c-cqx4-x8mp"],"modified":"2026-08-12T15:13:45.943776Z","published":"2025-04-10T19:51:48.289Z","related":["openSUSE-SU-2025:15394-1"],"database_specific":{"cna_assigner":"GitHub_M","cwe_ids":["CWE-347"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/29xxx/CVE-2025-29915.json"},"references":[{"type":"WEB","url":"https://redmine.openinfosecfoundation.org/issues/5373"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/29xxx/CVE-2025-29915.json"},{"type":"ADVISORY","url":"https://github.com/OISF/suricata/security/advisories/GHSA-7m5c-cqx4-x8mp"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-29915"},{"type":"FIX","url":"https://github.com/OISF/suricata/commit/d78f2c9a4e2b59f44daeddff098915084493d08d"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/oisf/suricata","events":[{"introduced":"0"},{"fixed":"76729e42663da010d6fcc4d13d38215344853a23"},{"fixed":"d78f2c9a4e2b59f44daeddff098915084493d08d"}],"database_specific":{"cpe":"cpe:2.3:a:oisf:suricata:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"fixed":"7.0.9"}],"source":["CPE_RANGE","REFERENCES"]}}],"versions":["suricata-7.0.8","suricata-7.0.7","suricata-7.0.6","suricata-7.0.5","suricata-7.0.4","suricata-7.0.3","suricata-7.0.2","suricata-7.0.1","suricata-7.0.0","suricata-7.0.0-rc2","suricata-7.0.0-rc1","suricata-7.0.0-beta1","suricata-6.0.1","suricata-6.0.0","suricata-6.0.0-rc1","suricata-6.0.0-beta1","suricata-5.0.1","suricata-5.0.0","suricata-5.0.0-rc1","suricata-5.0.0-beta1","suricata-4.1.2","suricata-4.1.1","suricata-4.1.0","suricata-4.1.0-rc2","suricata-4.1.0-rc1","suricata-4.1.0-beta1","suricata-4.0.1","suricata-4.0.0","suricata-4.0.0-rc2","suricata-4.0.0-rc1","suricata-4.0.0-beta1","suricata-3.2.1","suricata-3.2","suricata-3.2RC1","suricata-3.2beta1","suricata-3.1.2","suricata-3.1.1","suricata-3.1","suricata-3.0.1","suricata-3.1RC1","suricata-3.0.1RC1","suricata-3.0","suricata-3.0RC3","suricata-3.0RC2","suricata-3.0RC1","suricata-2.1beta4","suricata-2.1beta3","suricata-2.1beta2","suricata-2.1beta1","suricata-2.0.2","suricata-2.0.1","suricata-2.0.1rc1","suricata-2.0","suricata-2.0rc3","suricata-2.0rc2","suricata-2.0rc1","suricata-2.0beta2","suricata-2.0beta1","suricata-1.4","suricata-1.4rc1","suricata-1.4beta3","suricata-1.4beta2","suricata-1.4beta1","suricata-1.3.1","suricata-1.3","suricata-1.3rc1","suricata-1.3beta2","suricata-1.3beta1","suricata-1.2.1","suricata-1.2","suricata-1.2rc1","suricata-1.2beta1","suricata-1.1","suricata-1.1rc1","suricata-1.1beta3","suricata-1.1beta2","suricata-1.1beta1","suricata-1.0.2","suricata-1.0.1","suricata-1.0.0","suricata-0.8.2"],"database_specific":{"vanir_signatures_modified":"2026-08-12T15:13:45Z","vanir_signatures":[{"digest":{"line_hashes":["239912830722256783876682955850573660457","63015815438600164938314226786900263515","180401133960782615151835598495904033608"],"threshold":0.9},"id":"CVE-2025-29915-01b8fb59","signature_type":"Line","signature_version":"v1","source":"https://github.com/oisf/suricata/commit/d78f2c9a4e2b59f44daeddff098915084493d08d","target":{"file":"src/decode-events.c"},"deprecated":false},{"deprecated":false,"digest":{"line_hashes":["30810463105301719657697806383305599793","228851716654056783148019559128835746506","55673416270480630228519058494315998459","24356582320145384495263401272619985243","247836504869454794441122604208703412838","80315535833025331065906590140402017819","109649771136425552141659070393590427705"],"threshold":0.9},"id":"CVE-2025-29915-320de509","signature_type":"Line","signature_version":"v1","source":"https://github.com/oisf/suricata/commit/d78f2c9a4e2b59f44daeddff098915084493d08d","target":{"file":"src/source-af-packet.c"}},{"deprecated":false,"digest":{"line_hashes":["63415050622472814142849502905415391258","201562063764934390759864611582534351491","32570710699722142521626160103838297816"],"threshold":0.9},"id":"CVE-2025-29915-76d9684c","signature_type":"Line","signature_version":"v1","source":"https://github.com/oisf/suricata/commit/d78f2c9a4e2b59f44daeddff098915084493d08d","target":{"file":"src/decode-events.h"}},{"target":{"file":"src/source-af-packet.c","function":"AFPParsePacketV3"},"deprecated":false,"digest":{"function_hash":"176173147623370107309045475361189231185","length":1779},"id":"CVE-2025-29915-842f8bac","signature_type":"Function","signature_version":"v1","source":"https://github.com/oisf/suricata/commit/d78f2c9a4e2b59f44daeddff098915084493d08d"},{"target":{"file":"src/source-af-packet.c","function":"AFPReadFromRingSetupPacket"},"deprecated":false,"digest":{"function_hash":"236217522181303781783121818941229400378","length":1957},"id":"CVE-2025-29915-e595f860","signature_type":"Function","signature_version":"v1","source":"https://github.com/oisf/suricata/commit/d78f2c9a4e2b59f44daeddff098915084493d08d"}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-29915.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"}]}