{"id":"CVE-2025-38678","revision":null,"records":[{"revision":"026173bce991426f8a8c2fc621ec1eff","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2025-38678","aliases":[],"title":"netfilter: nf_tables: reject duplicate device on updates","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nf_tables: reject duplicate device on updates\n\nA chain/flowtable update with duplicated devices in the same batch is\npossible. Unfortunately, netdev event path only removes the first\ndevice that is found, leaving unregistered the hook of the duplicated\ndevice.\n\nCheck if a duplicated device exists in the transaction batch, bail out\nwith EEXIST in such case.\n\nWARNING is hit when unregistering the hook:\n\n [49042.221275] WARNING: CPU: 4 PID: 8425 at net/netfilter/core.c:340 nf_hook_entry_head+0xaa/0x150\n [49042.221375] CPU: 4 UID: 0 PID: 8425 Comm: nft Tainted: G S 6.16.0+ #170 PREEMPT(full)\n [...]\n [49042.221382] RIP: 0010:nf_hook_entry_head+0xaa/0x150","state":0,"publishedAt":"2025-09-03T13:01:15.799+00:00","modifiedAt":"2026-10-15T22:02:27.949+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/netfilter/nf_tables_api.c\"\n ],\n \"versions\": [\n {\n \"version\": \"78d9f48f7f44431a25da2b46b3a8812f6ff2b981\",\n \"lessThan\": \"0521e694d5b80899fba8695881a6349f9bc538cb\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"78d9f48f7f44431a25da2b46b3a8812f6ff2b981\",\n \"lessThan\": \"4681960bc0f4f8bcc782cbf2fd205f48ad314dfd\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"78d9f48f7f44431a25da2b46b3a8812f6ff2b981\",\n \"lessThan\": \"4ce2a0c3b8497a66cfc25fc7ca3d087258a785d2\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"78d9f48f7f44431a25da2b46b3a8812f6ff2b981\",\n \"lessThan\": \"3f358a66a04513311668ea4b40f5064e253d8386\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"78d9f48f7f44431a25da2b46b3a8812f6ff2b981\",\n \"lessThan\": \"cf23d531a9d496863aa4c5a0e2f71f0a23f3df3c\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"78d9f48f7f44431a25da2b46b3a8812f6ff2b981\",\n \"lessThan\": \"d7615bde541f16517d6790412da6ec46fa8a4c1f\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"78d9f48f7f44431a25da2b46b3a8812f6ff2b981\",\n \"lessThan\": \"cf5fb87fcdaaaafec55dcc0dc5a9e15ead343973\",\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/netfilter/nf_tables_api.c\"\n ],\n \"versions\": [\n {\n \"version\": \"5.8\",\n \"status\": \"affected\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"5.8\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.10.247\",\n \"lessThanOrEqual\": \"5.10.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.15.197\",\n \"lessThanOrEqual\": \"5.15.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.1.159\",\n \"lessThanOrEqual\": \"6.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.6.117\",\n \"lessThanOrEqual\": \"6.6.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.12.59\",\n \"lessThanOrEqual\": \"6.12.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.16.2\",\n \"lessThanOrEqual\": \"6.16.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.17\",\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/0521e694d5b80899fba8695881a6349f9bc538cb","https://git.kernel.org/stable/c/4681960bc0f4f8bcc782cbf2fd205f48ad314dfd","https://git.kernel.org/stable/c/4ce2a0c3b8497a66cfc25fc7ca3d087258a785d2","https://git.kernel.org/stable/c/3f358a66a04513311668ea4b40f5064e253d8386","https://git.kernel.org/stable/c/cf23d531a9d496863aa4c5a0e2f71f0a23f3df3c","https://git.kernel.org/stable/c/d7615bde541f16517d6790412da6ec46fa8a4c1f","https://git.kernel.org/stable/c/cf5fb87fcdaaaafec55dcc0dc5a9e15ead343973"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-38678","license":"CVE Program Terms of Use","key":"cve-program:CVE-2025-38678","identifiers":["CVE-2025-38678"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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