{"id":"CVE-2023-4244","state":"PUBLISHED","title":"Use-after-free in Linux kernel's netfilter: nf_tables component","description":"A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation.\n\n\n\nDue to a race condition between nf_tables netlink control plane transaction and nft_set element garbage collection, it is possible to underflow the reference counter causing a use-after-free vulnerability.\n\n\n\nWe recommend upgrading past commit 3e91b0ebd994635df2346353322ac51ce84ce6d8.","publishedAt":"2023-09-06T13:53:24.873Z","updatedAt":"2026-07-28T14:43:13.218Z","severity":{"score":7.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","source":"Google"},"assigner":"Google","products":["Linux 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