{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-52920", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-06-09T07:44:35.367Z", "datePublished": "2026-06-24T07:14:15.866Z", "dateUpdated": "2026-06-24T07:14:15.866Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-06-24T07:14:15.866Z"}, "descriptions": [{"lang": "en", "value": "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."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/netfilter/xt_policy.c"], "versions": [{"version": "c4b885139203d37f76662c37ae645fe8e0f4e4e5", "lessThan": "eb323f7b82d2e2f638de0cc2a177803eb20e0707", "status": "affected", "versionType": "git"}, {"version": "c4b885139203d37f76662c37ae645fe8e0f4e4e5", "lessThan": "fc1c518bb1f054831ecabb32da9b8e1dff9699c6", "status": "affected", "versionType": "git"}, {"version": "c4b885139203d37f76662c37ae645fe8e0f4e4e5", "lessThan": "f98b7f85e04b40e28b08c461ded0cc79f14f5509", "status": "affected", "versionType": "git"}, {"version": "c4b885139203d37f76662c37ae645fe8e0f4e4e5", "lessThan": "82664d0f1ba25e4f9a71994954abae24c60f4067", "status": "affected", "versionType": "git"}, {"version": "c4b885139203d37f76662c37ae645fe8e0f4e4e5", "lessThan": "b130a6eefa02bd4d475f2f059da8bcfb3e7d18d9", "status": "affected", "versionType": "git"}, {"version": "c4b885139203d37f76662c37ae645fe8e0f4e4e5", "lessThan": "938867e870fb5471bb16f442aeac81326e05bf65", "status": "affected", "versionType": "git"}, {"version": "c4b885139203d37f76662c37ae645fe8e0f4e4e5", "lessThan": "392cc1d8408b5665215c1e9290bbf0f92339b043", "status": "affected", "versionType": "git"}, {"version": "c4b885139203d37f76662c37ae645fe8e0f4e4e5", "lessThan": "4b2b4d7d4e203c92db8966b163edfacb1f0e1e29", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/netfilter/xt_policy.c"], "versions": [{"version": "2.6.17", "status": "affected"}, {"version": "0", "lessThan": "2.6.17", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.258", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.209", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.175", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.141", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.91", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.33", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0.10", "lessThanOrEqual": "7.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.17", "versionEndExcluding": "5.10.258"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.17", "versionEndExcluding": "5.15.209"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.17", "versionEndExcluding": "6.1.175"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.17", "versionEndExcluding": "6.6.141"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.17", "versionEndExcluding": "6.12.91"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.17", "versionEndExcluding": "6.18.33"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.17", "versionEndExcluding": "7.0.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.17", "versionEndExcluding": "7.1"}]}]}], "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"}}}}

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