{"id":"CVE-2024-27397","revision":"2cc87590f6cf47538a35d6e4f47ec66e","records":[{"revision":"2cc87590f6cf47538a35d6e4f47ec66e","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2024-27397","aliases":[],"title":"netfilter: nf_tables: use timestamp to check for set element timeout","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nf_tables: use timestamp to check for set element timeout\n\nAdd a timestamp field at the beginning of the transaction, store it\nin the nftables per-netns area.\n\nUpdate set backend .insert, .deactivate and sync gc path to use the\ntimestamp, this avoids that an element expires while control plane\ntransaction is still unfinished.\n\n.lookup and .update, which are used from packet path, still use the\ncurrent time to check if the element has expired. And .get path and dump\nalso since this runs lockless under rcu read size lock. Then, there is\nasync gc which also needs to check the current time since it runs\nasynchronously from a workqueue.","state":0,"publishedAt":"2024-05-09T16:37:22.463+00:00","modifiedAt":"2026-10-15T00:40:17.017+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"include/net/netfilter/nf_tables.h\",\n                        \"net/netfilter/nf_tables_api.c\",\n                        \"net/netfilter/nft_set_hash.c\",\n                        \"net/netfilter/nft_set_pipapo.c\",\n                        \"net/netfilter/nft_set_rbtree.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"c3e1b005ed1cc068fc9d454a6e745830d55d251d\",\n                            \"lessThan\": \"f8dfda798650241c1692058713ca4fef8e429061\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c3e1b005ed1cc068fc9d454a6e745830d55d251d\",\n                            \"lessThan\": \"eaf1a29ea5d7dba8e84e9e9f3b3f47d0cd540bfe\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c3e1b005ed1cc068fc9d454a6e745830d55d251d\",\n                            \"lessThan\": \"7b17de2a71e56c10335b565cc7ad238e6d984379\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c3e1b005ed1cc068fc9d454a6e745830d55d251d\",\n                            \"lessThan\": \"0d40e8cb1d1f56a994cdd2e015af622fdca9ed4d\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c3e1b005ed1cc068fc9d454a6e745830d55d251d\",\n                            \"lessThan\": \"b45176b869673417ace338b87cf9cdb66e2eeb01\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c3e1b005ed1cc068fc9d454a6e745830d55d251d\",\n                            \"lessThan\": \"7fa2e2960fff8322ce2ded57b5f8e9cbc450b967\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c3e1b005ed1cc068fc9d454a6e745830d55d251d\",\n                            \"lessThan\": \"383182db8d58c4237772ba0764cded4938a235c3\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c3e1b005ed1cc068fc9d454a6e745830d55d251d\",\n                            \"lessThan\": \"7395dfacfff65e9938ac0889dafa1ab01e987d15\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"include/net/netfilter/nf_tables.h\",\n                        \"net/netfilter/nf_tables_api.c\",\n                        \"net/netfilter/nft_set_hash.c\",\n                        \"net/netfilter/nft_set_pipapo.c\",\n                        \"net/netfilter/nft_set_rbtree.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"4.1\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"4.1\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"4.19.320\",\n                            \"lessThanOrEqual\": \"4.19.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.4.282\",\n                            \"lessThanOrEqual\": \"5.4.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.10.224\",\n                            \"lessThanOrEqual\": \"5.10.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.165\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.97\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.84\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.7.5\",\n                            \"lessThanOrEqual\": \"6.7.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.8\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/f8dfda798650241c1692058713ca4fef8e429061","https://git.kernel.org/stable/c/eaf1a29ea5d7dba8e84e9e9f3b3f47d0cd540bfe","https://git.kernel.org/stable/c/7b17de2a71e56c10335b565cc7ad238e6d984379","https://git.kernel.org/stable/c/0d40e8cb1d1f56a994cdd2e015af622fdca9ed4d","https://git.kernel.org/stable/c/b45176b869673417ace338b87cf9cdb66e2eeb01","https://git.kernel.org/stable/c/7fa2e2960fff8322ce2ded57b5f8e9cbc450b967","https://git.kernel.org/stable/c/383182db8d58c4237772ba0764cded4938a235c3","https://git.kernel.org/stable/c/7395dfacfff65e9938ac0889dafa1ab01e987d15"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2024-27397","license":"CVE Program Terms of Use","key":"cve-program:CVE-2024-27397","identifiers":["CVE-2024-27397"]},"retained":false,"historicalAffected":[]}],"coverage":[]}