[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"repo-stars":3,"vuln-DEBIAN-CVE-2026-23231":6},{"stargazers_count":4,"fetched_at":5},7,"2026-06-04T14:53:31.930Z",{"id":7,"descriptions":8,"cisa":9,"weaknesses":10,"exploits":11,"aliases":12,"duplicate_of":9,"upstream":13,"downstream":16,"duplicates":17,"related":18,"reserved_at":9,"published_at":19,"modified_at":20,"state":9,"summary":21,"references_raw":23,"kevs":30,"epss":9,"epss_history":31,"metrics":32,"affected":39},"DEBIAN-CVE-2026-23231","In the Linux kernel, the following vulnerability has been resolved:  netfilter: nf_tables: fix use-after-free in nf_tables_addchain()  nf_tables_addchain() publishes the chain to table->chains via list_add_tail_rcu() (in nft_chain_add()) before registering hooks. If nf_tables_register_hook() then fails, the error path calls nft_chain_del() (list_del_rcu()) followed by nf_tables_chain_destroy() with no RCU grace period in between.  This creates two use-after-free conditions:   1) Control-plane: nf_tables_dump_chains() traverses table->chains     under rcu_read_lock(). A concurrent dump can still be walking     the chain when the error path frees it.   2) Packet path: for NFPROTO_INET, nf_register_net_hook() briefly     installs the IPv4 hook before IPv6 registration fails.  Packets     entering nft_do_chain() via the transient IPv4 hook can still be     dereferencing chain->blob_gen_X when the error path frees the     chain.  Add synchronize_rcu() between nft_chain_del() and the chain destroy so that all RCU readers -- both dump threads and in-flight packet evaluation -- have finished before the chain is freed.",null,[],[],[],[14],{"_key":15},"CVE-2026-23231",[],[],[],"2026-03-04T13:15:58.137Z","2026-05-02T10:03:36.294192Z",{"cisa_kev":22,"cisa_ransomware":22,"cisa_vendor":9,"epss_severity":9,"epss_score":9,"severity":9,"severity_score":9,"severity_version":9,"severity_source":9,"severity_vector":9,"severity_status":9},false,[24],{"url":25,"sources":26,"tags":28},"https://security-tracker.debian.org/tracker/CVE-2026-23231",[27],"osv_debian",[29],"Advisory",[],[],[33],{"source":27,"cvss_v2_0":9,"cvss_v3_0":9,"cvss_v3_1":34,"cvss_v4_0":9},{"baseScore":35,"baseSeverity":9,"vectorString":36,"impactScore":37,"exploitabilityScore":38},7.8,"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",9.8,4.6,[40,62],{"ecosystem":41,"name":42,"vendor":43,"product":42,"cpe_part":9,"purl_type":44,"purl_namespace":43,"purl_name":42,"source":9,"versions":45},"Debian","linux","debian","deb",[46,50,51,52,56,59],{"version":47,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":9,"version_end_type":9,"fixed_in":9},"all",true,"ecosystem",{"version":47,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":9,"version_end_type":9,"fixed_in":9},{"version":47,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":9,"version_end_type":9,"fixed_in":9},{"version":53,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":54,"version_end_type":55,"fixed_in":9},"lt6_1_170_1","6.1.170-1","excluding",{"version":57,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":58,"version_end_type":55,"fixed_in":9},"lt6_12_85_1","6.12.85-1",{"version":60,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":61,"version_end_type":55,"fixed_in":9},"lt6_18_14_1","6.18.14-1",{"ecosystem":41,"name":63,"vendor":43,"product":63,"cpe_part":9,"purl_type":44,"purl_namespace":43,"purl_name":63,"source":9,"versions":64},"linux-6.1",[65],{"version":66,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":67,"version_end_type":55,"fixed_in":9},"lt6_1_170_1~deb11u1","6.1.170-1~deb11u1"]