{ "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\nIB/hfi1: Fix sdma.h tx->num_descs off-by-one error\n\nUnfortunately the commit `fd8958efe877` introduced another error\ncausing the `descs` array to overflow. This reults in further crashes\neasily reproducible by `sendmsg` system call.\n\n[ 1080.836473] general protection fault, probably for non-canonical address 0x400300015528b00a: 0000 [#1] PREEMPT SMP PTI\n[ 1080.869326] RIP: 0010:hfi1_ipoib_build_ib_tx_headers.constprop.0+0xe1/0x2b0 [hfi1]\n--\n[ 1080.974535] Call Trace:\n[ 1080.976990] \n[ 1081.021929] hfi1_ipoib_send_dma_common+0x7a/0x2e0 [hfi1]\n[ 1081.027364] hfi1_ipoib_send_dma_list+0x62/0x270 [hfi1]\n[ 1081.032633] hfi1_ipoib_send+0x112/0x300 [hfi1]\n[ 1081.042001] ipoib_start_xmit+0x2a9/0x2d0 [ib_ipoib]\n[ 1081.046978] dev_hard_start_xmit+0xc4/0x210\n--\n[ 1081.148347] __sys_sendmsg+0x59/0xa0\n\ncrash> ipoib_txreq 0xffff9cfeba229f00\nstruct ipoib_txreq {\n txreq = {\n list = {\n next = 0xffff9cfeba229f00,\n prev = 0xffff9cfeba229f00\n },\n descp = 0xffff9cfeba229f40,\n coalesce_buf = 0x0,\n wait = 0xffff9cfea4e69a48,\n complete = 0xffffffffc0fe0760 ,\n packet_len = 0x46d,\n tlen = 0x0,\n num_desc = 0x0,\n desc_limit = 0x6,\n next_descq_idx = 0x45c,\n coalesce_idx = 0x0,\n flags = 0x0,\n descs = {{\n qw = {0x8024000120dffb00, 0x4} # SDMA_DESC0_FIRST_DESC_FLAG (bit 63)\n }, {\n qw = { 0x3800014231b108, 0x4}\n }, {\n qw = { 0x310000e4ee0fcf0, 0x8}\n }, {\n qw = { 0x3000012e9f8000, 0x8}\n }, {\n qw = { 0x59000dfb9d0000, 0x8}\n }, {\n qw = { 0x78000e02e40000, 0x8}\n }}\n },\n sdma_hdr = 0x400300015528b000, <<< invalid pointer in the tx request structure\n sdma_status = 0x0, SDMA_DESC0_LAST_DESC_FLAG (bit 62)\n complete = 0x0,\n priv = 0x0,\n txq = 0xffff9cfea4e69880,\n skb = 0xffff9d099809f400\n}\n\nIf an SDMA send consists of exactly 6 descriptors and requires dword\npadding (in the 7th descriptor), the sdma_txreq descriptor array is not\nproperly expanded and the packet will overflow into the container\nstructure. This results in a panic when the send completion runs. The\nexact panic varies depending on what elements of the container structure\nget corrupted. The fix is to use the correct expression in\n_pad_sdma_tx_descs() to test the need to expand the descriptor array.\n\nWith this patch the crashes are no longer reproducible and the machine is\nstable.", "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-2024-26766" }, { "summary":"CVE-2024-26766 vex file", "category":"self", "url":"https://repo.openeuler.org/security/data/csaf/cve/2024/csaf-openeuler-cve-2024-26766.json" }, { "summary":"openEuler-SA-2024-1566", "category":"self", "url":"https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2024-1566" }, { "summary":"CVE-2024-26766", "category":"self", "url":"https://www.openeuler.org/en/security/cve/detail?cveId=CVE-2024-26766&packageName=kernel" } ], "title":"openEuler cve CVE-2024-26766", "tracking":{ "initial_release_date":"2024-05-11T09:17:32+08:00", "revision_history":[ { "date":"2024-05-11T09:17:32+08:00", "summary":"Initial", "number":"1.0.0" }, { "date":"2024-10-31T09:17:32+08:00", "summary":"Current version", "number":"2.0.0" } ], "generator":{ "date":"2024-10-31T09:17:32+08:00", "engine":{ "name":"openEuler CSAF Tool V1.0" } }, "current_release_date":"2024-10-31T09:17:32+08:00", "id":"CVE-2024-26766", "version":"2.0.0", "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" } ], 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This reults in further crashes\neasily reproducible by `sendmsg` system call.\n\n[ 1080.836473] general protection fault, probably for non-canonical address 0x400300015528b00a: 0000 [#1] PREEMPT SMP PTI\n[ 1080.869326] RIP: 0010:hfi1_ipoib_build_ib_tx_headers.constprop.0+0xe1/0x2b0 [hfi1]\n--\n[ 1080.974535] Call Trace:\n[ 1080.976990] \n[ 1081.021929] hfi1_ipoib_send_dma_common+0x7a/0x2e0 [hfi1]\n[ 1081.027364] hfi1_ipoib_send_dma_list+0x62/0x270 [hfi1]\n[ 1081.032633] hfi1_ipoib_send+0x112/0x300 [hfi1]\n[ 1081.042001] ipoib_start_xmit+0x2a9/0x2d0 [ib_ipoib]\n[ 1081.046978] dev_hard_start_xmit+0xc4/0x210\n--\n[ 1081.148347] __sys_sendmsg+0x59/0xa0\n\ncrash> ipoib_txreq 0xffff9cfeba229f00\nstruct ipoib_txreq {\n txreq = {\n list = {\n next = 0xffff9cfeba229f00,\n prev = 0xffff9cfeba229f00\n },\n descp = 0xffff9cfeba229f40,\n coalesce_buf = 0x0,\n wait = 0xffff9cfea4e69a48,\n complete = 0xffffffffc0fe0760 ,\n packet_len = 0x46d,\n tlen = 0x0,\n num_desc = 0x0,\n desc_limit = 0x6,\n next_descq_idx = 0x45c,\n coalesce_idx = 0x0,\n flags = 0x0,\n descs = {{\n qw = {0x8024000120dffb00, 0x4} # SDMA_DESC0_FIRST_DESC_FLAG (bit 63)\n }, {\n qw = { 0x3800014231b108, 0x4}\n }, {\n qw = { 0x310000e4ee0fcf0, 0x8}\n }, {\n qw = { 0x3000012e9f8000, 0x8}\n }, {\n qw = { 0x59000dfb9d0000, 0x8}\n }, {\n qw = { 0x78000e02e40000, 0x8}\n }}\n },\n sdma_hdr = 0x400300015528b000, <<< invalid pointer in the tx request structure\n sdma_status = 0x0, SDMA_DESC0_LAST_DESC_FLAG (bit 62)\n complete = 0x0,\n priv = 0x0,\n txq = 0xffff9cfea4e69880,\n skb = 0xffff9d099809f400\n}\n\nIf an SDMA send consists of exactly 6 descriptors and requires dword\npadding (in the 7th descriptor), the sdma_txreq descriptor array is not\nproperly expanded and the packet will overflow into the container\nstructure. This results in a panic when the send completion runs. The\nexact panic varies depending on what elements of the container structure\nget corrupted. The fix is to use the correct expression in\n_pad_sdma_tx_descs() to test the need to expand the descriptor array.\n\nWith this patch the crashes are no longer reproducible and the machine is\nstable.", "category":"description", "title":"Vulnerability Description" } ], "product_status":{ "fixed":[ "openEuler-22.03-LTS-SP3:kernel-source-5.10.0-198.0.0.111.oe2203sp3.aarch64", "openEuler-22.03-LTS-SP3:kernel-debugsource-5.10.0-198.0.0.111.oe2203sp3.aarch64", "openEuler-22.03-LTS-SP3:kernel-tools-devel-5.10.0-198.0.0.111.oe2203sp3.aarch64", "openEuler-22.03-LTS-SP3:perf-debuginfo-5.10.0-198.0.0.111.oe2203sp3.aarch64", "openEuler-22.03-LTS-SP3:python3-perf-5.10.0-198.0.0.111.oe2203sp3.aarch64", "openEuler-22.03-LTS-SP3:kernel-debuginfo-5.10.0-198.0.0.111.oe2203sp3.aarch64", "openEuler-22.03-LTS-SP3:kernel-devel-5.10.0-198.0.0.111.oe2203sp3.aarch64", "openEuler-22.03-LTS-SP3:kernel-headers-5.10.0-198.0.0.111.oe2203sp3.aarch64", 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"baseScore":7.8, "vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version":"3.1" }, "products":[ "openEuler-22.03-LTS-SP3:kernel-source-5.10.0-198.0.0.111.oe2203sp3.aarch64", "openEuler-22.03-LTS-SP3:kernel-debugsource-5.10.0-198.0.0.111.oe2203sp3.aarch64", "openEuler-22.03-LTS-SP3:kernel-tools-devel-5.10.0-198.0.0.111.oe2203sp3.aarch64", "openEuler-22.03-LTS-SP3:perf-debuginfo-5.10.0-198.0.0.111.oe2203sp3.aarch64", "openEuler-22.03-LTS-SP3:python3-perf-5.10.0-198.0.0.111.oe2203sp3.aarch64", "openEuler-22.03-LTS-SP3:kernel-debuginfo-5.10.0-198.0.0.111.oe2203sp3.aarch64", "openEuler-22.03-LTS-SP3:kernel-devel-5.10.0-198.0.0.111.oe2203sp3.aarch64", "openEuler-22.03-LTS-SP3:kernel-headers-5.10.0-198.0.0.111.oe2203sp3.aarch64", "openEuler-22.03-LTS-SP3:python3-perf-debuginfo-5.10.0-198.0.0.111.oe2203sp3.aarch64", "openEuler-22.03-LTS-SP3:kernel-5.10.0-198.0.0.111.oe2203sp3.aarch64", "openEuler-22.03-LTS-SP3:kernel-tools-debuginfo-5.10.0-198.0.0.111.oe2203sp3.aarch64", "openEuler-22.03-LTS-SP3:perf-5.10.0-198.0.0.111.oe2203sp3.aarch64", "openEuler-22.03-LTS-SP3:kernel-tools-5.10.0-198.0.0.111.oe2203sp3.aarch64", "openEuler-22.03-LTS-SP3:kernel-5.10.0-198.0.0.111.oe2203sp3.src", "openEuler-22.03-LTS-SP3:kernel-debugsource-5.10.0-198.0.0.111.oe2203sp3.x86_64", "openEuler-22.03-LTS-SP3:kernel-devel-5.10.0-198.0.0.111.oe2203sp3.x86_64", "openEuler-22.03-LTS-SP3:perf-debuginfo-5.10.0-198.0.0.111.oe2203sp3.x86_64", "openEuler-22.03-LTS-SP3:kernel-headers-5.10.0-198.0.0.111.oe2203sp3.x86_64", "openEuler-22.03-LTS-SP3:kernel-5.10.0-198.0.0.111.oe2203sp3.x86_64", "openEuler-22.03-LTS-SP3:kernel-tools-5.10.0-198.0.0.111.oe2203sp3.x86_64", "openEuler-22.03-LTS-SP3:kernel-tools-debuginfo-5.10.0-198.0.0.111.oe2203sp3.x86_64", "openEuler-22.03-LTS-SP3:perf-5.10.0-198.0.0.111.oe2203sp3.x86_64", "openEuler-22.03-LTS-SP3:python3-perf-debuginfo-5.10.0-198.0.0.111.oe2203sp3.x86_64", "openEuler-22.03-LTS-SP3:kernel-source-5.10.0-198.0.0.111.oe2203sp3.x86_64", "openEuler-22.03-LTS-SP3:python3-perf-5.10.0-198.0.0.111.oe2203sp3.x86_64", "openEuler-22.03-LTS-SP3:kernel-tools-devel-5.10.0-198.0.0.111.oe2203sp3.x86_64", "openEuler-22.03-LTS-SP3:kernel-debuginfo-5.10.0-198.0.0.111.oe2203sp3.x86_64" ] } ], "threats":[ { "details":"High", "category":"impact" } ], "title":"CVE-2024-26766" } ] }