{"cve":"CVE-2026-52920","nvd":{"published":"2026-06-24T08:16:21.950","modified":"2026-10-19T20:18:46.707","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H","score":8.3},"cwes":["CWE-682"],"references":["https://git.kernel.org/stable/c/392cc1d8408b5665215c1e9290bbf0f92339b043","https://git.kernel.org/stable/c/4b2b4d7d4e203c92db8966b163edfacb1f0e1e29","https://git.kernel.org/stable/c/82664d0f1ba25e4f9a71994954abae24c60f4067","https://git.kernel.org/stable/c/938867e870fb5471bb16f442aeac81326e05bf65","https://git.kernel.org/stable/c/b130a6eefa02bd4d475f2f059da8bcfb3e7d18d9"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-21T03:43:09.190223697+00:00"},"epss":{"cve":"CVE-2026-52920","score":0.00299,"percentile":0.22404,"date":"2026-10-26"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}