{ "document":{ "aggregate_severity":{ "namespace":"https://nvd.nist.gov/vuln-metrics/cvss", "text":"HIGH" }, "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\nnet/sched: act_mpls: Fix warning during failed attribute validation\n\nThe 'TCA_MPLS_LABEL' attribute is of 'NLA_U32' type, but has a\nvalidation type of 'NLA_VALIDATE_FUNCTION'. This is an invalid\ncombination according to the comment above 'struct nla_policy':\n\n\"\nMeaning of `validate' field, use via NLA_POLICY_VALIDATE_FN:\n NLA_BINARY Validation function called for the attribute.\n All other Unused - but note that it's a union\n\"\n\nThis can trigger the warning [1] in nla_get_range_unsigned() when\nvalidation of the attribute fails. Despite being of 'NLA_U32' type, the\nassociated 'min'/'max' fields in the policy are negative as they are\naliased by the 'validate' field.\n\nFix by changing the attribute type to 'NLA_BINARY' which is consistent\nwith the above comment and all other users of NLA_POLICY_VALIDATE_FN().\nAs a result, move the length validation to the validation function.\n\nNo regressions in MPLS tests:\n\n # ./tdc.py -f tc-tests/actions/mpls.json\n [...]\n # echo $?\n 0\n\n[1]\nWARNING: CPU: 0 PID: 17743 at lib/nlattr.c:118\nnla_get_range_unsigned+0x1d8/0x1e0 lib/nlattr.c:117\nModules linked in:\nCPU: 0 PID: 17743 Comm: syz-executor.0 Not tainted 6.1.0-rc8 #3\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS\nrel-1.13.0-48-gd9c812dda519-prebuilt.qemu.org 04/01/2014\nRIP: 0010:nla_get_range_unsigned+0x1d8/0x1e0 lib/nlattr.c:117\n[...]\nCall Trace:\n \n __netlink_policy_dump_write_attr+0x23d/0x990 net/netlink/policy.c:310\n netlink_policy_dump_write_attr+0x22/0x30 net/netlink/policy.c:411\n netlink_ack_tlv_fill net/netlink/af_netlink.c:2454 [inline]\n netlink_ack+0x546/0x760 net/netlink/af_netlink.c:2506\n netlink_rcv_skb+0x1b7/0x240 net/netlink/af_netlink.c:2546\n rtnetlink_rcv+0x18/0x20 net/core/rtnetlink.c:6109\n netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]\n netlink_unicast+0x5e9/0x6b0 net/netlink/af_netlink.c:1345\n netlink_sendmsg+0x739/0x860 net/netlink/af_netlink.c:1921\n sock_sendmsg_nosec net/socket.c:714 [inline]\n sock_sendmsg net/socket.c:734 [inline]\n ____sys_sendmsg+0x38f/0x500 net/socket.c:2482\n ___sys_sendmsg net/socket.c:2536 [inline]\n __sys_sendmsg+0x197/0x230 net/socket.c:2565\n __do_sys_sendmsg net/socket.c:2574 [inline]\n __se_sys_sendmsg net/socket.c:2572 [inline]\n __x64_sys_sendmsg+0x42/0x50 net/socket.c:2572\n do_syscall_x64 arch/x86/entry/common.c:50 [inline]\n do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80\n entry_SYSCALL_64_after_hwframe+0x63/0xcd", "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-2023-52906" }, { "summary":"CVE-2023-52906 vex file", "category":"self", "url":"https://repo.openeuler.org/security/data/csaf/cve/2023/csaf-openeuler-cve-2023-52906.json" }, { "summary":"openEuler-SA-2024-2106", "category":"self", "url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2024-2106" }, { "summary":"CVE-2023-52906", "category":"self", "url":"https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2023-52906&packageName=kernel" } ], "title":"openEuler cve CVE-2023-52906", "tracking":{ "initial_release_date":"2024-09-06T20:08:18+08:00", "revision_history":[ { "date":"2024-09-06T20:08:18+08:00", "summary":"Initial", "number":"1.0.0" } ], "generator":{ "date":"2024-09-06T20:08:18+08:00", "engine":{ "name":"openEuler CSAF Tool V1.0" } }, "current_release_date":"2024-09-06T20:08:18+08:00", "id":"CVE-2023-52906", "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-SP1" }, "product_id":"openEuler-22.03-LTS-SP1", "name":"openEuler-22.03-LTS-SP1" }, "name":"openEuler-22.03-LTS-SP1", "category":"product_version" } ], "category":"product_name" }, { "name":"aarch64", "branches":[ { "product":{ "product_identification_helper":{ "cpe":"cpe:/a:openEuler:openEuler:22.03-LTS-SP1" }, "product_id":"kernel-5.10.0-136.92.0.173.oe2203sp1.aarch64.rpm", "name":"kernel-5.10.0-136.92.0.173.oe2203sp1.aarch64.rpm" }, "name":"kernel-5.10.0-136.92.0.173.oe2203sp1.aarch64.rpm", "category":"product_version" }, { "product":{ "product_identification_helper":{ 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openEuler-22.03-LTS-SP1" }, "category":"default_component_of" } ] }, "vulnerabilities":[ { "cve":"CVE-2023-52906", "notes":[ { "text":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet/sched: act_mpls: Fix warning during failed attribute validation\n\nThe 'TCA_MPLS_LABEL' attribute is of 'NLA_U32' type, but has a\nvalidation type of 'NLA_VALIDATE_FUNCTION'. This is an invalid\ncombination according to the comment above 'struct nla_policy':\n\n\"\nMeaning of `validate' field, use via NLA_POLICY_VALIDATE_FN:\n NLA_BINARY Validation function called for the attribute.\n All other Unused - but note that it's a union\n\"\n\nThis can trigger the warning [1] in nla_get_range_unsigned() when\nvalidation of the attribute fails. Despite being of 'NLA_U32' type, the\nassociated 'min'/'max' fields in the policy are negative as they are\naliased by the 'validate' field.\n\nFix by changing the attribute type to 'NLA_BINARY' which is consistent\nwith the above comment and all other users of NLA_POLICY_VALIDATE_FN().\nAs a result, move the length validation to the validation function.\n\nNo regressions in MPLS tests:\n\n # ./tdc.py -f tc-tests/actions/mpls.json\n [...]\n # echo $?\n 0\n\n[1]\nWARNING: CPU: 0 PID: 17743 at lib/nlattr.c:118\nnla_get_range_unsigned+0x1d8/0x1e0 lib/nlattr.c:117\nModules linked in:\nCPU: 0 PID: 17743 Comm: syz-executor.0 Not tainted 6.1.0-rc8 #3\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS\nrel-1.13.0-48-gd9c812dda519-prebuilt.qemu.org 04/01/2014\nRIP: 0010:nla_get_range_unsigned+0x1d8/0x1e0 lib/nlattr.c:117\n[...]\nCall Trace:\n \n __netlink_policy_dump_write_attr+0x23d/0x990 net/netlink/policy.c:310\n netlink_policy_dump_write_attr+0x22/0x30 net/netlink/policy.c:411\n netlink_ack_tlv_fill net/netlink/af_netlink.c:2454 [inline]\n netlink_ack+0x546/0x760 net/netlink/af_netlink.c:2506\n netlink_rcv_skb+0x1b7/0x240 net/netlink/af_netlink.c:2546\n rtnetlink_rcv+0x18/0x20 net/core/rtnetlink.c:6109\n netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]\n netlink_unicast+0x5e9/0x6b0 net/netlink/af_netlink.c:1345\n netlink_sendmsg+0x739/0x860 net/netlink/af_netlink.c:1921\n sock_sendmsg_nosec net/socket.c:714 [inline]\n sock_sendmsg net/socket.c:734 [inline]\n ____sys_sendmsg+0x38f/0x500 net/socket.c:2482\n ___sys_sendmsg net/socket.c:2536 [inline]\n __sys_sendmsg+0x197/0x230 net/socket.c:2565\n __do_sys_sendmsg net/socket.c:2574 [inline]\n __se_sys_sendmsg net/socket.c:2572 [inline]\n __x64_sys_sendmsg+0x42/0x50 net/socket.c:2572\n do_syscall_x64 arch/x86/entry/common.c:50 [inline]\n do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80\n entry_SYSCALL_64_after_hwframe+0x63/0xcd", "category":"description", "title":"Vulnerability Description" } ], 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"openEuler-22.03-LTS-SP1:kernel-tools-5.10.0-136.92.0.173.oe2203sp1.x86_64", "openEuler-22.03-LTS-SP1:kernel-tools-debuginfo-5.10.0-136.92.0.173.oe2203sp1.x86_64", "openEuler-22.03-LTS-SP1:kernel-tools-devel-5.10.0-136.92.0.173.oe2203sp1.x86_64", "openEuler-22.03-LTS-SP1:perf-5.10.0-136.92.0.173.oe2203sp1.x86_64", "openEuler-22.03-LTS-SP1:perf-debuginfo-5.10.0-136.92.0.173.oe2203sp1.x86_64", "openEuler-22.03-LTS-SP1:python3-perf-5.10.0-136.92.0.173.oe2203sp1.x86_64", "openEuler-22.03-LTS-SP1:python3-perf-debuginfo-5.10.0-136.92.0.173.oe2203sp1.x86_64" ], "details":"kernel security update", "category":"vendor_fix", "url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2024-2106" } ], "scores":[ { "cvss_v3":{ "baseSeverity":"MEDIUM", "baseScore":5.5, "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-22.03-LTS-SP1:kernel-5.10.0-136.92.0.173.oe2203sp1.aarch64", 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"openEuler-22.03-LTS-SP1:python3-perf-5.10.0-136.92.0.173.oe2203sp1.x86_64", "openEuler-22.03-LTS-SP1:python3-perf-debuginfo-5.10.0-136.92.0.173.oe2203sp1.x86_64" ] } ], "threats":[ { "details":"Medium", "category":"impact" } ], "title":"CVE-2023-52906" } ] }