{"cve":"CVE-2022-48642","nvd":{"published":"2024-04-28T13:15:07.000","modified":"2026-06-17T05:15:48.087","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nf_tables: fix percpu memory leak at nf_tables_addchain()\n\nIt seems to me that percpu memory for chain stats started leaking since\ncommit 3bc158f8d0330f0a (\"netfilter: nf_tables: map basechain priority to\nhardware priority\") when nft_chain_offload_priority() returned an error.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-401"],"references":["https://git.kernel.org/stable/c/08d7524f366a886b99b1630a24a27dd6e0d7f852","https://git.kernel.org/stable/c/985b031667c3177b9e7fb9787b989628e4271714","https://git.kernel.org/stable/c/9a4d6dd554b86e65581ef6b6638a39ae079b17ac","https://git.kernel.org/stable/c/b043a525a3f5520abb676a7cd8f6328fdf959e88","https://git.kernel.org/stable/c/08d7524f366a886b99b1630a24a27dd6e0d7f852"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:49:08.435428910+00:00"},"epss":{"cve":"CVE-2022-48642","score":0.00232,"percentile":0.14145,"date":"2026-10-31"},"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."]}