{ "document":{ "aggregate_severity":{ "namespace":"https://nvd.nist.gov/vuln-metrics/cvss", "text":"MEDIUM" }, "category":"csaf_vex", "csaf_version":"2.0", "distribution":{ "tlp":{ "label":"WHITE", "url":"https:/www.first.org/tlp/" } }, "lang":"en", "notes":[ { "text":"In the Linux kernel, the following vulnerability has been resolved:\n\nseg6: fix parameter passing when calling NF_HOOK() in End.DX4 and End.DX6 behaviors\n\ninput_action_end_dx4() and input_action_end_dx6() are called NF_HOOK() for\nPREROUTING hook, in PREROUTING hook, we should passing a valid indev,\nand a NULL outdev to NF_HOOK(), otherwise may trigger a NULL pointer\ndereference, as below:\n\n [74830.647293] BUG: kernel NULL pointer dereference, address: 0000000000000090\n [74830.655633] #PF: supervisor read access in kernel mode\n [74830.657888] #PF: error_code(0x0000) - not-present page\n [74830.659500] PGD 0 P4D 0\n [74830.660450] Oops: 0000 [#1] PREEMPT SMP PTI\n ...\n [74830.664953] Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2011\n [74830.666569] RIP: 0010:rpfilter_mt+0x44/0x15e [ipt_rpfilter]\n ...\n [74830.689725] Call Trace:\n [74830.690402] \n [74830.690953] ? show_trace_log_lvl+0x1c4/0x2df\n [74830.692020] ? show_trace_log_lvl+0x1c4/0x2df\n [74830.693095] ? ipt_do_table+0x286/0x710 [ip_tables]\n [74830.694275] ? __die_body.cold+0x8/0xd\n [74830.695205] ? page_fault_oops+0xac/0x140\n [74830.696244] ? exc_page_fault+0x62/0x150\n [74830.697225] ? asm_exc_page_fault+0x22/0x30\n [74830.698344] ? rpfilter_mt+0x44/0x15e [ipt_rpfilter]\n [74830.699540] ipt_do_table+0x286/0x710 [ip_tables]\n [74830.700758] ? ip6_route_input+0x19d/0x240\n [74830.701752] nf_hook_slow+0x3f/0xb0\n [74830.702678] input_action_end_dx4+0x19b/0x1e0\n [74830.703735] ? input_action_end_t+0xe0/0xe0\n [74830.704734] seg6_local_input_core+0x2d/0x60\n [74830.705782] lwtunnel_input+0x5b/0xb0\n [74830.706690] __netif_receive_skb_one_core+0x63/0xa0\n [74830.707825] process_backlog+0x99/0x140\n [74830.709538] __napi_poll+0x2c/0x160\n [74830.710673] net_rx_action+0x296/0x350\n [74830.711860] __do_softirq+0xcb/0x2ac\n [74830.713049] do_softirq+0x63/0x90\n\ninput_action_end_dx4() passing a NULL indev to NF_HOOK(), and finally\ntrigger a NULL dereference in rpfilter_mt()->rpfilter_is_loopback():\n\n static bool\n rpfilter_is_loopback(const struct sk_buff *skb,\n \t const struct net_device *in)\n {\n // in is NULL\n return skb->pkt_type == PACKET_LOOPBACK ||\n \t in->flags & IFF_LOOPBACK;\n }", "category":"general", "title":"Synopsis" } ], "publisher":{ "issuing_authority":"openEuler security committee", "name":"openEuler", "namespace":"https://www.openeuler.org", "contact_details":"openeuler-security@openeuler.org", "category":"vendor" }, "references":[ { "summary":"nvd cve", "category":"external", "url":"https://nvd.nist.gov/vuln/detail/CVE-2024-40957" }, { "summary":"CVE-2024-40957 vex file", "category":"self", "url":"https://repo.openeuler.org/security/data/csaf/cve/2024/csaf-openeuler-cve-2024-40957.json" }, { "summary":"openEuler-SA-2024-1897", "category":"self", "url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2024-1897" }, { "summary":"CVE-2024-40957", "category":"self", "url":"https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2024-40957&packageName=kernel" } ], "title":"openEuler cve CVE-2024-40957", "tracking":{ "initial_release_date":"2024-07-26T20:58:46+08:00", "revision_history":[ { "date":"2024-07-26T20:58:46+08:00", "summary":"Initial", "number":"1.0.0" }, { "date":"2024-08-19T17:35:46+08:00", "summary":"Current version", "number":"2.0.0" } ], "generator":{ "date":"2024-08-19T17:35:46+08:00", "engine":{ "name":"openEuler CSAF Tool V1.0" } }, "current_release_date":"2024-08-19T17:35:46+08:00", "id":"CVE-2024-40957", "version":"2.0.0", "status":"interim" } }, "product_tree":{ "branches":[ { "name":"openEuler", "category":"vendor", 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"vulnerabilities":[ { "cve":"CVE-2024-40957", "notes":[ { "text":"In the Linux kernel, the following vulnerability has been resolved:\n\nseg6: fix parameter passing when calling NF_HOOK() in End.DX4 and End.DX6 behaviors\n\ninput_action_end_dx4() and input_action_end_dx6() are called NF_HOOK() for\nPREROUTING hook, in PREROUTING hook, we should passing a valid indev,\nand a NULL outdev to NF_HOOK(), otherwise may trigger a NULL pointer\ndereference, as below:\n\n [74830.647293] BUG: kernel NULL pointer dereference, address: 0000000000000090\n [74830.655633] #PF: supervisor read access in kernel mode\n [74830.657888] #PF: error_code(0x0000) - not-present page\n [74830.659500] PGD 0 P4D 0\n [74830.660450] Oops: 0000 [#1] PREEMPT SMP PTI\n ...\n [74830.664953] Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2011\n [74830.666569] RIP: 0010:rpfilter_mt+0x44/0x15e [ipt_rpfilter]\n ...\n [74830.689725] Call Trace:\n [74830.690402] \n [74830.690953] ? show_trace_log_lvl+0x1c4/0x2df\n [74830.692020] ? show_trace_log_lvl+0x1c4/0x2df\n [74830.693095] ? ipt_do_table+0x286/0x710 [ip_tables]\n [74830.694275] ? __die_body.cold+0x8/0xd\n [74830.695205] ? page_fault_oops+0xac/0x140\n [74830.696244] ? exc_page_fault+0x62/0x150\n [74830.697225] ? asm_exc_page_fault+0x22/0x30\n [74830.698344] ? rpfilter_mt+0x44/0x15e [ipt_rpfilter]\n [74830.699540] ipt_do_table+0x286/0x710 [ip_tables]\n [74830.700758] ? ip6_route_input+0x19d/0x240\n [74830.701752] nf_hook_slow+0x3f/0xb0\n [74830.702678] input_action_end_dx4+0x19b/0x1e0\n [74830.703735] ? input_action_end_t+0xe0/0xe0\n [74830.704734] seg6_local_input_core+0x2d/0x60\n [74830.705782] lwtunnel_input+0x5b/0xb0\n [74830.706690] __netif_receive_skb_one_core+0x63/0xa0\n [74830.707825] process_backlog+0x99/0x140\n [74830.709538] __napi_poll+0x2c/0x160\n [74830.710673] net_rx_action+0x296/0x350\n [74830.711860] __do_softirq+0xcb/0x2ac\n [74830.713049] do_softirq+0x63/0x90\n\ninput_action_end_dx4() passing a NULL indev to NF_HOOK(), and finally\ntrigger a NULL dereference in rpfilter_mt()->rpfilter_is_loopback():\n\n static bool\n rpfilter_is_loopback(const struct sk_buff *skb,\n \t const struct net_device *in)\n {\n // in is NULL\n return skb->pkt_type == PACKET_LOOPBACK ||\n \t in->flags & IFF_LOOPBACK;\n }", "category":"description", "title":"Vulnerability Description" } ], "product_status":{ "fixed":[ "openEuler-24.03-LTS:bpftool-6.6.0-35.0.0.43.oe2403.x86_64", "openEuler-24.03-LTS:bpftool-debuginfo-6.6.0-35.0.0.43.oe2403.x86_64", "openEuler-24.03-LTS:kernel-6.6.0-35.0.0.43.oe2403.x86_64", "openEuler-24.03-LTS:kernel-debuginfo-6.6.0-35.0.0.43.oe2403.x86_64", "openEuler-24.03-LTS:kernel-debugsource-6.6.0-35.0.0.43.oe2403.x86_64", "openEuler-24.03-LTS:kernel-devel-6.6.0-35.0.0.43.oe2403.x86_64", "openEuler-24.03-LTS:kernel-headers-6.6.0-35.0.0.43.oe2403.x86_64", "openEuler-24.03-LTS:kernel-source-6.6.0-35.0.0.43.oe2403.x86_64", "openEuler-24.03-LTS:kernel-tools-6.6.0-35.0.0.43.oe2403.x86_64", 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"vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version":"3.1" }, "products":[ "openEuler-24.03-LTS:bpftool-6.6.0-35.0.0.43.oe2403.x86_64", "openEuler-24.03-LTS:bpftool-debuginfo-6.6.0-35.0.0.43.oe2403.x86_64", "openEuler-24.03-LTS:kernel-6.6.0-35.0.0.43.oe2403.x86_64", "openEuler-24.03-LTS:kernel-debuginfo-6.6.0-35.0.0.43.oe2403.x86_64", "openEuler-24.03-LTS:kernel-debugsource-6.6.0-35.0.0.43.oe2403.x86_64", "openEuler-24.03-LTS:kernel-devel-6.6.0-35.0.0.43.oe2403.x86_64", "openEuler-24.03-LTS:kernel-headers-6.6.0-35.0.0.43.oe2403.x86_64", "openEuler-24.03-LTS:kernel-source-6.6.0-35.0.0.43.oe2403.x86_64", "openEuler-24.03-LTS:kernel-tools-6.6.0-35.0.0.43.oe2403.x86_64", "openEuler-24.03-LTS:kernel-tools-debuginfo-6.6.0-35.0.0.43.oe2403.x86_64", "openEuler-24.03-LTS:kernel-tools-devel-6.6.0-35.0.0.43.oe2403.x86_64", "openEuler-24.03-LTS:perf-6.6.0-35.0.0.43.oe2403.x86_64", "openEuler-24.03-LTS:perf-debuginfo-6.6.0-35.0.0.43.oe2403.x86_64", 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"openEuler-24.03-LTS:perf-6.6.0-35.0.0.43.oe2403.aarch64", "openEuler-24.03-LTS:perf-debuginfo-6.6.0-35.0.0.43.oe2403.aarch64", "openEuler-24.03-LTS:python3-perf-6.6.0-35.0.0.43.oe2403.aarch64", "openEuler-24.03-LTS:python3-perf-debuginfo-6.6.0-35.0.0.43.oe2403.aarch64" ] } ], "threats":[ { "details":"Medium", "category":"impact" } ], "title":"CVE-2024-40957" } ] }