{ "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\nfirmware: arm_scmi: Balance device refcount when destroying devices\n\nUsing device_find_child() to lookup the proper SCMI device to destroy\ncauses an unbalance in device refcount, since device_find_child() calls an\nimplicit get_device(): this, in turns, inhibits the call of the provided\nrelease methods upon devices destruction.\n\nAs a consequence, one of the structures that is not freed properly upon\ndestruction is the internal struct device_private dev->p populated by the\ndrivers subsystem core.\n\nKMemleak detects this situation since loading/unloding some SCMI driver\ncauses related devices to be created/destroyed without calling any\ndevice_release method.\n\nunreferenced object 0xffff00000f583800 (size 512):\n comm \"insmod\", pid 227, jiffies 4294912190\n hex dump (first 32 bytes):\n 00 00 00 00 ad 4e ad de ff ff ff ff 00 00 00 00 .....N..........\n ff ff ff ff ff ff ff ff 60 36 1d 8a 00 80 ff ff ........`6......\n backtrace (crc 114e2eed):\n kmemleak_alloc+0xbc/0xd8\n __kmalloc_cache_noprof+0x2dc/0x398\n device_add+0x954/0x12d0\n device_register+0x28/0x40\n __scmi_device_create.part.0+0x1bc/0x380\n scmi_device_create+0x2d0/0x390\n scmi_create_protocol_devices+0x74/0xf8\n scmi_device_request_notifier+0x1f8/0x2a8\n notifier_call_chain+0x110/0x3b0\n blocking_notifier_call_chain+0x70/0xb0\n scmi_driver_register+0x350/0x7f0\n 0xffff80000a3b3038\n do_one_initcall+0x12c/0x730\n do_init_module+0x1dc/0x640\n load_module+0x4b20/0x5b70\n init_module_from_file+0xec/0x158\n\n$ ./scripts/faddr2line ./vmlinux device_add+0x954/0x12d0\ndevice_add+0x954/0x12d0:\nkmalloc_noprof at include/linux/slab.h:901\n(inlined by) kzalloc_noprof at include/linux/slab.h:1037\n(inlined by) device_private_init at drivers/base/core.c:3510\n(inlined by) device_add at drivers/base/core.c:3561\n\nBalance device refcount by issuing a put_device() on devices found via\ndevice_find_child().", "category":"general", "title":"Synopsis" } ], "publisher":null, "references":[ { "summary":"nvd cve", "category":"external", "url":"https://nvd.nist.gov/vuln/detail/CVE-2025-37905" }, { "summary":"CVE-2025-37905 vex file", "category":"self", "url":"https://repo.openeuler.org/security/data/csaf/cve/2025/csaf-openeuler-cve-2025-37905.json" }, { "summary":"openEuler-SA-2026-2418", "category":"self", "url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-2418" }, { "summary":"CVE-2025-37905", "category":"self", "url":"https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2025-37905&packageName=kernel" } ], "title":"openEuler cve CVE-2025-37905", "tracking":{ "initial_release_date":"2026-05-25T10:43:01+08:00", "revision_history":[ { "date":"2026-05-25T10:43:01+08:00", "summary":"Initial", "number":"1.0.0" } ], "generator":{ "date":"2026-05-25T10:43:01+08:00", "engine":{ "name":"openEuler CSAF Tool V1.0" } }, "current_release_date":"2026-05-25T10:43:01+08:00", "id":"CVE-2025-37905", "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:24.03-LTS-SP1" }, "product_id":"openEuler-24.03-LTS-SP1", "name":"openEuler-24.03-LTS-SP1" }, "name":"openEuler-24.03-LTS-SP1", "category":"product_version" } ], "category":"product_name" }, { "name":"aarch64", "branches":[ { "product":{ "product_identification_helper":{ "cpe":"cpe:/a:openEuler:openEuler:24.03-LTS-SP1" }, "product_id":"bpftool-6.6.0-145.1.12.150.oe2403sp1.aarch64.rpm", 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"category":"default_component_of" } ] }, "vulnerabilities":[ { "cve":"CVE-2025-37905", "notes":[ { "text":"In the Linux kernel, the following vulnerability has been resolved:\n\nfirmware: arm_scmi: Balance device refcount when destroying devices\n\nUsing device_find_child() to lookup the proper SCMI device to destroy\ncauses an unbalance in device refcount, since device_find_child() calls an\nimplicit get_device(): this, in turns, inhibits the call of the provided\nrelease methods upon devices destruction.\n\nAs a consequence, one of the structures that is not freed properly upon\ndestruction is the internal struct device_private dev->p populated by the\ndrivers subsystem core.\n\nKMemleak detects this situation since loading/unloding some SCMI driver\ncauses related devices to be created/destroyed without calling any\ndevice_release method.\n\nunreferenced object 0xffff00000f583800 (size 512):\n comm \"insmod\", pid 227, jiffies 4294912190\n hex dump (first 32 bytes):\n 00 00 00 00 ad 4e ad de ff ff ff ff 00 00 00 00 .....N..........\n ff ff ff ff ff ff ff ff 60 36 1d 8a 00 80 ff ff ........`6......\n backtrace (crc 114e2eed):\n kmemleak_alloc+0xbc/0xd8\n __kmalloc_cache_noprof+0x2dc/0x398\n device_add+0x954/0x12d0\n device_register+0x28/0x40\n __scmi_device_create.part.0+0x1bc/0x380\n scmi_device_create+0x2d0/0x390\n scmi_create_protocol_devices+0x74/0xf8\n scmi_device_request_notifier+0x1f8/0x2a8\n notifier_call_chain+0x110/0x3b0\n blocking_notifier_call_chain+0x70/0xb0\n scmi_driver_register+0x350/0x7f0\n 0xffff80000a3b3038\n do_one_initcall+0x12c/0x730\n do_init_module+0x1dc/0x640\n load_module+0x4b20/0x5b70\n init_module_from_file+0xec/0x158\n\n$ ./scripts/faddr2line ./vmlinux device_add+0x954/0x12d0\ndevice_add+0x954/0x12d0:\nkmalloc_noprof at include/linux/slab.h:901\n(inlined by) kzalloc_noprof at include/linux/slab.h:1037\n(inlined by) device_private_init at drivers/base/core.c:3510\n(inlined by) device_add at drivers/base/core.c:3561\n\nBalance device refcount by issuing a put_device() on devices found via\ndevice_find_child().", "category":"description", "title":"Vulnerability Description" } ], "product_status":{ "fixed":{ "$ref":"$.vulnerabilities[0].product_status.fixed" } }, "remediations":[ { "product_ids":{ "$ref":"$.vulnerabilities[0].product_status.fixed" }, "details":"kernel security update", "category":"vendor_fix", "url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-2418" } ], "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":{ "$ref":"$.vulnerabilities[0].product_status.fixed" } } ], "threats":[ { "details":"Medium", "category":"impact" } ], "title":"CVE-2025-37905" } ] }