{"id":"CVE-2025-38184","revision":"451fc651d4e6462e8d3489b49fa3a46b","records":[{"revision":"451fc651d4e6462e8d3489b49fa3a46b","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2025-38184","aliases":[],"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":0,"publishedAt":"2025-07-04T13:37:11.226+00:00","modifiedAt":"2026-10-15T21:52:10.702+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"net/tipc/udp_media.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"832629ca5c313e122b22b8e73a6d80f111b1a1ae\",\n                            \"lessThan\": \"3998283e4c32c0fe69edd59b0876c193f50abce6\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"832629ca5c313e122b22b8e73a6d80f111b1a1ae\",\n                            \"lessThan\": \"c2e17984752b9131061d1a2ca1199da2706337fd\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"832629ca5c313e122b22b8e73a6d80f111b1a1ae\",\n                            \"lessThan\": \"8595350615f952fcf8bc861464a6bf6b1129af50\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"832629ca5c313e122b22b8e73a6d80f111b1a1ae\",\n                            \"lessThan\": \"05d332ba075753d569d66333d62d60fff5f57ad8\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"832629ca5c313e122b22b8e73a6d80f111b1a1ae\",\n                            \"lessThan\": \"d3dfe821dfe091c0045044343c8d86596d66e2cf\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"832629ca5c313e122b22b8e73a6d80f111b1a1ae\",\n                            \"lessThan\": \"0d3d91c3500f0c480e016faa4e2259c588616e59\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"832629ca5c313e122b22b8e73a6d80f111b1a1ae\",\n                            \"lessThan\": \"0f4a72fb266e48dbe928e1d936eab149e4ac3e1b\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"832629ca5c313e122b22b8e73a6d80f111b1a1ae\",\n                            \"lessThan\": \"f82727adcf2992822e12198792af450a76ebd5ef\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"net/tipc/udp_media.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"4.9\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"4.9\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.4.295\",\n                            \"lessThanOrEqual\": \"5.4.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.10.239\",\n                            \"lessThanOrEqual\": \"5.10.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.186\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.142\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.95\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.35\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.15.4\",\n                            \"lessThanOrEqual\": \"6.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.16\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/3998283e4c32c0fe69edd59b0876c193f50abce6","https://git.kernel.org/stable/c/c2e17984752b9131061d1a2ca1199da2706337fd","https://git.kernel.org/stable/c/8595350615f952fcf8bc861464a6bf6b1129af50","https://git.kernel.org/stable/c/05d332ba075753d569d66333d62d60fff5f57ad8","https://git.kernel.org/stable/c/d3dfe821dfe091c0045044343c8d86596d66e2cf","https://git.kernel.org/stable/c/0d3d91c3500f0c480e016faa4e2259c588616e59","https://git.kernel.org/stable/c/0f4a72fb266e48dbe928e1d936eab149e4ac3e1b","https://git.kernel.org/stable/c/f82727adcf2992822e12198792af450a76ebd5ef"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-38184","license":"CVE Program Terms of Use","key":"cve-program:CVE-2025-38184","identifiers":["CVE-2025-38184"]},"retained":false,"historicalAffected":[]}],"coverage":[]}