{"id":"AZL-42192","summary":"CVE-2024-27020 affecting package kernel for versions less than 5.15.158.1-1","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nf_tables: Fix potential data-race in __nft_expr_type_get()\n\nnft_unregister_expr() can concurrent with __nft_expr_type_get(),\nand there is not any protection when iterate over nf_tables_expressions\nlist in __nft_expr_type_get(). Therefore, there is potential data-race\nof nf_tables_expressions list entry.\n\nUse list_for_each_entry_rcu() to iterate over nf_tables_expressions\nlist in __nft_expr_type_get(), and use rcu_read_lock() in the caller\nnft_expr_type_get() to protect the entire type query process.","modified":"2026-04-01T05:14:30.576109Z","published":"2024-05-01T06:15:20Z","upstream":["CVE-2024-27020"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-27020"}],"affected":[{"package":{"name":"kernel","ecosystem":"Azure Linux:2","purl":"pkg:rpm/azure-linux/kernel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.158.1-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-42192.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}