{"api_version":"1","generated_at":"2026-08-08T04:36:49+00:00","cve":"CVE-2025-38184","urls":{"html":"https://cve.report/CVE-2025-38184","api":"https://cve.report/api/cve/CVE-2025-38184.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2025-38184","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-38184"},"summary":{"title":"tipc: fix null-ptr-deref when acquiring remote ip of ethernet bearer","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ntipc: fix null-ptr-deref when acquiring remote ip of ethernet bearer\n\nThe reproduction steps:\n1. create a tun interface\n2. enable l2 bearer\n3. TIPC_NL_UDP_GET_REMOTEIP with media name set to tun\n\ntipc: Started in network mode\ntipc: Node identity 8af312d38a21, cluster identity 4711\ntipc: Enabled bearer <eth:syz_tun>, priority 1\nOops: general protection fault\nKASAN: null-ptr-deref in range\nCPU: 1 UID: 1000 PID: 559 Comm: poc Not tainted 6.16.0-rc1+ #117 PREEMPT\nHardware name: QEMU Ubuntu 24.04 PC\nRIP: 0010:tipc_udp_nl_dump_remoteip+0x4a4/0x8f0\n\nthe ub was in fact a struct dev.\n\nwhen bid != 0 && skip_cnt != 0, bearer_list[bid] may be NULL or\nother media when other thread changes it.\n\nfix this by checking media_id.","state":"PUBLISHED","assigner":"Linux","published_at":"2025-07-04 14:15:25","updated_at":"2026-07-30 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the Linux kernel, the following vulnerability has been resolved:\n\ntipc: fix null-ptr-deref when acquiring remote ip of ethernet bearer\n\nThe reproduction steps:\n1. create a tun interface\n2. enable l2 bearer\n3. 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fix null-ptr-deref when acquiring remote ip of ethernet be","CVE":"CVE-2025-38184","Year":"2025"},"notes":[{"CveYear":"2025","CveId":"38184","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\ntipc: fix null-ptr-deref when acquiring remote ip of ethernet bearer\n\nThe reproduction steps:\n1. create a tun interface\n2. enable l2 bearer\n3. TIPC_NL_UDP_GET_REMOTEIP with media name set to tun\n\ntipc: Started in network mode\ntipc: Node identity 8af312d38a21, cluster identity 4711\ntipc: Enabled bearer <eth:syz_tun>, priority 1\nOops: general protection fault\nKASAN: null-ptr-deref in range\nCPU: 1 UID: 1000 PID: 559 Comm: poc Not tainted 6.16.0-rc1+ #117 PREEMPT\nHardware name: QEMU Ubuntu 24.04 PC\nRIP: 0010:tipc_udp_nl_dump_remoteip+0x4a4/0x8f0\n\nthe ub was in fact a struct dev.\n\nwhen bid != 0 && skip_cnt != 0, bearer_list[bid] may be NULL or\nother media when other thread changes it.\n\nfix this by checking media_id.","Type":"Description","Title":"tipc: fix null-ptr-deref when acquiring remote ip of ethernet be"}]}}}