{"api_version":"1","generated_at":"2026-06-24T18:25:38+00:00","cve":"CVE-2026-52920","urls":{"html":"https://cve.report/CVE-2026-52920","api":"https://cve.report/api/cve/CVE-2026-52920.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-52920","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-52920"},"summary":{"title":"netfilter: xt_policy: fix strict mode inbound policy matching","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: xt_policy: fix strict mode inbound policy matching\n\nmatch_policy_in() walks sec_path entries from the last transform to the\nfirst one, but strict policy matching needs to consume info->pol[] in\nthe same forward order as the rule layout.\n\nDerive the strict-match policy position from the number of transforms\nalready consumed so that multi-element inbound rules are matched\nconsistently.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-06-24 08:16:21","updated_at":"2026-06-24 08:16:21"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/4b2b4d7d4e203c92db8966b163edfacb1f0e1e29","name":"https://git.kernel.org/stable/c/4b2b4d7d4e203c92db8966b163edfacb1f0e1e29","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/938867e870fb5471bb16f442aeac81326e05bf65","name":"https://git.kernel.org/stable/c/938867e870fb5471bb16f442aeac81326e05bf65","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/b130a6eefa02bd4d475f2f059da8bcfb3e7d18d9","name":"https://git.kernel.org/stable/c/b130a6eefa02bd4d475f2f059da8bcfb3e7d18d9","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/f98b7f85e04b40e28b08c461ded0cc79f14f5509","name":"https://git.kernel.org/stable/c/f98b7f85e04b40e28b08c461ded0cc79f14f5509","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/eb323f7b82d2e2f638de0cc2a177803eb20e0707","name":"https://git.kernel.org/stable/c/eb323f7b82d2e2f638de0cc2a177803eb20e0707","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/82664d0f1ba25e4f9a71994954abae24c60f4067","name":"https://git.kernel.org/stable/c/82664d0f1ba25e4f9a71994954abae24c60f4067","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/fc1c518bb1f054831ecabb32da9b8e1dff9699c6","name":"https://git.kernel.org/stable/c/fc1c518bb1f054831ecabb32da9b8e1dff9699c6","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/392cc1d8408b5665215c1e9290bbf0f92339b043","name":"https://git.kernel.org/stable/c/392cc1d8408b5665215c1e9290bbf0f92339b043","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-52920","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-52920","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c4b885139203d37f76662c37ae645fe8e0f4e4e5 eb323f7b82d2e2f638de0cc2a177803eb20e0707 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c4b885139203d37f76662c37ae645fe8e0f4e4e5 fc1c518bb1f054831ecabb32da9b8e1dff9699c6 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c4b885139203d37f76662c37ae645fe8e0f4e4e5 f98b7f85e04b40e28b08c461ded0cc79f14f5509 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c4b885139203d37f76662c37ae645fe8e0f4e4e5 82664d0f1ba25e4f9a71994954abae24c60f4067 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: xt_policy: fix strict mode inbound policy matching\n\nmatch_policy_in() walks sec_path entries from the last transform to the\nfirst one, but strict policy matching needs to consume info->pol[] in\nthe same forward order as the rule layout.\n\nDerive the strict-match policy position from the number of transforms\nalready consumed so that multi-element inbound rules are matched\nconsistently."}],"providerMetadata":{"dateUpdated":"2026-06-24T07:14:15.866Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/eb323f7b82d2e2f638de0cc2a177803eb20e0707"},{"url":"https://git.kernel.org/stable/c/fc1c518bb1f054831ecabb32da9b8e1dff9699c6"},{"url":"https://git.kernel.org/stable/c/f98b7f85e04b40e28b08c461ded0cc79f14f5509"},{"url":"https://git.kernel.org/stable/c/82664d0f1ba25e4f9a71994954abae24c60f4067"},{"url":"https://git.kernel.org/stable/c/b130a6eefa02bd4d475f2f059da8bcfb3e7d18d9"},{"url":"https://git.kernel.org/stable/c/938867e870fb5471bb16f442aeac81326e05bf65"},{"url":"https://git.kernel.org/stable/c/392cc1d8408b5665215c1e9290bbf0f92339b043"},{"url":"https://git.kernel.org/stable/c/4b2b4d7d4e203c92db8966b163edfacb1f0e1e29"}],"title":"netfilter: xt_policy: fix strict mode inbound policy matching","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-52920","datePublished":"2026-06-24T07:14:15.866Z","dateReserved":"2026-06-09T07:44:35.367Z","dateUpdated":"2026-06-24T07:14:15.866Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-06-24 08:16:21","lastModifiedDate":"2026-06-24 08:16:21","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"52920","Ordinal":"1","Title":"netfilter: xt_policy: fix strict mode inbound policy matching","CVE":"CVE-2026-52920","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"52920","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: xt_policy: fix strict mode inbound policy matching\n\nmatch_policy_in() walks sec_path entries from the last transform to the\nfirst one, but strict policy matching needs to consume info->pol[] in\nthe same forward order as the rule layout.\n\nDerive the strict-match policy position from the number of transforms\nalready consumed so that multi-element inbound rules are matched\nconsistently.","Type":"Description","Title":"netfilter: xt_policy: fix strict mode inbound policy matching"}]}}}