{ "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\nip6mr: Fix skb_under_panic in ip6mr_cache_report()\n\nskbuff: skb_under_panic: text:ffffffff88771f69 len:56 put:-4\n head:ffff88805f86a800 data:ffff887f5f86a850 tail:0x88 end:0x2c0 dev:pim6reg\n ------------[ cut here ]------------\n kernel BUG at net/core/skbuff.c:192!\n invalid opcode: 0000 [#1] PREEMPT SMP KASAN\n CPU: 2 PID: 22968 Comm: kworker/2:11 Not tainted 6.5.0-rc3-00044-g0a8db05b571a #236\n Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014\n Workqueue: ipv6_addrconf addrconf_dad_work\n RIP: 0010:skb_panic+0x152/0x1d0\n Call Trace:\n \n skb_push+0xc4/0xe0\n ip6mr_cache_report+0xd69/0x19b0\n reg_vif_xmit+0x406/0x690\n dev_hard_start_xmit+0x17e/0x6e0\n __dev_queue_xmit+0x2d6a/0x3d20\n vlan_dev_hard_start_xmit+0x3ab/0x5c0\n dev_hard_start_xmit+0x17e/0x6e0\n __dev_queue_xmit+0x2d6a/0x3d20\n neigh_connected_output+0x3ed/0x570\n ip6_finish_output2+0x5b5/0x1950\n ip6_finish_output+0x693/0x11c0\n ip6_output+0x24b/0x880\n NF_HOOK.constprop.0+0xfd/0x530\n ndisc_send_skb+0x9db/0x1400\n ndisc_send_rs+0x12a/0x6c0\n addrconf_dad_completed+0x3c9/0xea0\n addrconf_dad_work+0x849/0x1420\n process_one_work+0xa22/0x16e0\n worker_thread+0x679/0x10c0\n ret_from_fork+0x28/0x60\n ret_from_fork_asm+0x11/0x20\n\nWhen setup a vlan device on dev pim6reg, DAD ns packet may sent on reg_vif_xmit().\nreg_vif_xmit()\n ip6mr_cache_report()\n skb_push(skb, -skb_network_offset(pkt));//skb_network_offset(pkt) is 4\nAnd skb_push declared as:\n\tvoid *skb_push(struct sk_buff *skb, unsigned int len);\n\t\tskb->data -= len;\n\t\t//0xffff88805f86a84c - 0xfffffffc = 0xffff887f5f86a850\nskb->data is set to 0xffff887f5f86a850, which is invalid mem addr, lead to skb_push() fails.", "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-2023-53365" }, { "summary":"CVE-2023-53365 vex file", "category":"self", "url":"https://repo.openeuler.org/security/data/csaf/cve/2023/csaf-openeuler-cve-2023-53365.json" }, { "summary":"openEuler-SA-2025-2772", "category":"self", "url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2025-2772" }, { "summary":"CVE-2023-53365", "category":"self", "url":"https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2023-53365&packageName=kernel" } ], "title":"openEuler cve CVE-2023-53365", "tracking":{ "initial_release_date":"2025-12-08T14:38:28+08:00", "revision_history":[ { "date":"2025-12-08T14:38:28+08:00", "summary":"Initial", "number":"1.0.0" } ], "generator":{ "date":"2025-12-08T14:38:28+08:00", "engine":{ "name":"openEuler CSAF Tool V1.0" } }, "current_release_date":"2025-12-08T14:38:28+08:00", "id":"CVE-2023-53365", "version":"1.0.0", "status":"interim" } }, "product_tree":{ "branches":[ { "name":"openEuler", "category":"vendor", "branches":[ { "name":"openEuler", "branches":[ { "product":{ "product_identification_helper":{ "cpe":"cpe:/a:openEuler:openEuler:22.03-LTS-SP3" }, "product_id":"openEuler-22.03-LTS-SP3", "name":"openEuler-22.03-LTS-SP3" }, "name":"openEuler-22.03-LTS-SP3", "category":"product_version" } ], "category":"product_name" }, { "name":"aarch64", "branches":[ { "product":{ "product_identification_helper":{ "cpe":"cpe:/a:openEuler:openEuler:22.03-LTS-SP3" }, "product_id":"kernel-5.10.0-293.0.0.195.oe2203sp3.aarch64.rpm", 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ip6mr_cache_report+0xd69/0x19b0\n reg_vif_xmit+0x406/0x690\n dev_hard_start_xmit+0x17e/0x6e0\n __dev_queue_xmit+0x2d6a/0x3d20\n vlan_dev_hard_start_xmit+0x3ab/0x5c0\n dev_hard_start_xmit+0x17e/0x6e0\n __dev_queue_xmit+0x2d6a/0x3d20\n neigh_connected_output+0x3ed/0x570\n ip6_finish_output2+0x5b5/0x1950\n ip6_finish_output+0x693/0x11c0\n ip6_output+0x24b/0x880\n NF_HOOK.constprop.0+0xfd/0x530\n ndisc_send_skb+0x9db/0x1400\n ndisc_send_rs+0x12a/0x6c0\n addrconf_dad_completed+0x3c9/0xea0\n addrconf_dad_work+0x849/0x1420\n process_one_work+0xa22/0x16e0\n worker_thread+0x679/0x10c0\n ret_from_fork+0x28/0x60\n ret_from_fork_asm+0x11/0x20\n\nWhen setup a vlan device on dev pim6reg, DAD ns packet may sent on reg_vif_xmit().\nreg_vif_xmit()\n ip6mr_cache_report()\n skb_push(skb, -skb_network_offset(pkt));//skb_network_offset(pkt) is 4\nAnd skb_push declared as:\n\tvoid *skb_push(struct sk_buff *skb, unsigned int len);\n\t\tskb->data -= len;\n\t\t//0xffff88805f86a84c - 0xfffffffc = 0xffff887f5f86a850\nskb->data is set to 0xffff887f5f86a850, which is invalid mem addr, lead to skb_push() fails.", "category":"description", "title":"Vulnerability Description" } ], "product_status":{ "fixed":[ "openEuler-22.03-LTS-SP3:kernel-5.10.0-293.0.0.195.oe2203sp3.aarch64", "openEuler-22.03-LTS-SP3:kernel-debuginfo-5.10.0-293.0.0.195.oe2203sp3.aarch64", "openEuler-22.03-LTS-SP3:kernel-debugsource-5.10.0-293.0.0.195.oe2203sp3.aarch64", "openEuler-22.03-LTS-SP3:kernel-devel-5.10.0-293.0.0.195.oe2203sp3.aarch64", "openEuler-22.03-LTS-SP3:kernel-headers-5.10.0-293.0.0.195.oe2203sp3.aarch64", "openEuler-22.03-LTS-SP3:kernel-source-5.10.0-293.0.0.195.oe2203sp3.aarch64", "openEuler-22.03-LTS-SP3:kernel-tools-5.10.0-293.0.0.195.oe2203sp3.aarch64", "openEuler-22.03-LTS-SP3:kernel-tools-debuginfo-5.10.0-293.0.0.195.oe2203sp3.aarch64", "openEuler-22.03-LTS-SP3:kernel-tools-devel-5.10.0-293.0.0.195.oe2203sp3.aarch64", "openEuler-22.03-LTS-SP3:perf-5.10.0-293.0.0.195.oe2203sp3.aarch64", 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"openEuler-22.03-LTS-SP3:perf-debuginfo-5.10.0-293.0.0.195.oe2203sp3.x86_64", "openEuler-22.03-LTS-SP3:python3-perf-5.10.0-293.0.0.195.oe2203sp3.x86_64", "openEuler-22.03-LTS-SP3:python3-perf-debuginfo-5.10.0-293.0.0.195.oe2203sp3.x86_64" ] } ], "threats":[ { "details":"High", "category":"impact" } ], "title":"CVE-2023-53365" } ] }