{"id":"CVE-2022-48642","summary":"netfilter: nf_tables: fix percpu memory leak at nf_tables_addchain()","details":"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.","modified":"2026-03-20T12:21:40.390861Z","published":"2024-04-28T12:59:57.575Z","related":["SUSE-SU-2024:1644-1","SUSE-SU-2024:1659-1","SUSE-SU-2024:1663-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/48xxx/CVE-2022-48642.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/08d7524f366a886b99b1630a24a27dd6e0d7f852"},{"type":"WEB","url":"https://git.kernel.org/stable/c/985b031667c3177b9e7fb9787b989628e4271714"},{"type":"WEB","url":"https://git.kernel.org/stable/c/9a4d6dd554b86e65581ef6b6638a39ae079b17ac"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b043a525a3f5520abb676a7cd8f6328fdf959e88"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/48xxx/CVE-2022-48642.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-48642"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"3bc158f8d0330f0ac58597c023acca2234c14616"},{"fixed":"b043a525a3f5520abb676a7cd8f6328fdf959e88"},{"fixed":"08d7524f366a886b99b1630a24a27dd6e0d7f852"},{"fixed":"985b031667c3177b9e7fb9787b989628e4271714"},{"fixed":"9a4d6dd554b86e65581ef6b6638a39ae079b17ac"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-48642.json"}}],"schema_version":"1.7.5"}