{"id":"CVE-2023-1095","title":"In nf_tables_updtable, if nf_tables_table_enable returns an error, nft_trans_destroy is called to free the transaction object","summary":"In nf_tables_updtable, if nf_tables_table_enable returns an error, nft_trans_destroy is called to free the transaction object. nft_trans_destroy() calls list_del(), but the transaction was never placed on a list -- the list head is all z…","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-476","CWE-476"],"vendor":"linux","product":"linux_kernel","affected":["linux_kernel < 6.0","enterprise_linux = 8.0","enterprise_linux = 9.0"],"patched":["linux_kernel 6.0"],"published":"2023-02-28","updated":"2026-10-14","sourceUpdated":"2026-10-14T21:17:14.607","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2023-1095","references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2173973","label":"secalert@redhat.com"},{"url":"https://github.com/torvalds/linux/commit/580077855a40741cf511766129702d97ff02f4d9","label":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2173973","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/torvalds/linux/commit/580077855a40741cf511766129702d97ff02f4d9","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-794697.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"tags":["nvd"],"epss":0.00215,"epssPercentile":0.11041,"ingestedAt":"2026-10-14T21:57:04.730Z","slug":"CVE-2023-1095","body":"## Overview\n\nIn nf_tables_updtable, if nf_tables_table_enable returns an error, nft_trans_destroy is called to free the transaction object. nft_trans_destroy() calls list_del(), but the transaction was never placed on a list -- the list head is all zeroes, this results in a NULL pointer dereference.\n\n## Affected\n\n- `linux_kernel < 6.0`\n- `enterprise_linux = 8.0`\n- `enterprise_linux = 9.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.0`","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}