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{"descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: change vm->task_info handling\n\nThis patch changes the handling and lifecycle of vm->task_info object.\nThe major changes are:\n- vm->task_info is a dynamically allocated ptr now, and its uasge is\n reference counted.\n- introducing two new helper funcs for task_info lifecycle management\n - amdgpu_vm_get_task_info: reference counts up task_info before\n returning this info\n - amdgpu_vm_put_task_info: reference counts down task_info\n- last put to task_info() frees task_info from the vm.\n\nThis patch also does logistical changes required for existing usage\nof vm->task_info.\n\nV2: Do not block all the prints when task_info not found (Felix)\n\nV3: Fixed review comments from Felix\n - Fix wrong indentation\n - No debug message for -ENOMEM\n - Add NULL check for task_info\n - Do not duplicate the debug messages (ti vs no ti)\n - Get first reference of task_info in vm_init(), put last\n in vm_fini()\n\nV4: Fixed review comments from Felix\n - fix double reference increment in create_task_info\n - change amdgpu_vm_get_task_info_pasid\n - additional changes in amdgpu_gem.c while porting"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/amdgpu: cambiar el manejo de vm->task_info Este parche cambia el manejo y el ciclo de vida del objeto vm->task_info. Los cambios principales son: - vm->task_info ahora es un ptr asignado din\u00e1micamente y su uso se cuenta por referencia. - presentamos dos nuevas funciones auxiliares para la gesti\u00f3n del ciclo de vida de task_info - amdgpu_vm_get_task_info: la referencia cuenta task_info antes de devolver esta informaci\u00f3n - amdgpu_vm_put_task_info: la referencia cuenta atr\u00e1s task_info - la \u00faltima entrada en task_info() libera task_info de la m\u00e1quina virtual. Este parche tambi\u00e9n realiza cambios log\u00edsticos necesarios para el uso existente de vm->task_info. V2: No bloquear todas las impresiones cuando no se encuentra task_info (Felix) V3: Se corrigieron los comentarios de revisi\u00f3n de Felix - Se corrigi\u00f3 la sangr\u00eda incorrecta - No hay mensaje de depuraci\u00f3n para -ENOMEM - Agregar verificaci\u00f3n NULL para task_info - No se duplican los mensajes de depuraci\u00f3n (ti vs no ti) - Obtenga la primera referencia de task_info en vm_init(), col\u00f3quela \u00faltima en vm_fini() V4: Se corrigieron los comentarios de revisi\u00f3n de Felix - se corrigi\u00f3 el incremento de doble referencia en create_task_info - se cambi\u00f3 amdgpu_vm_get_task_info_pasid - cambios adicionales en amdgpu_gem.c durante la portabilidad"}], "id": "CVE-2024-41008", "lastModified": "2024-11-21T09:32:03.360", "metrics": {}, "published": "2024-07-16T08:15:02.240", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b8f67b9ddf4f8fe6dd536590712b5912ad78f99c"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/b8f67b9ddf4f8fe6dd536590712b5912ad78f99c"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"affected_release": [{"advisory": "RHSA-2024:7001", "cpe": "cpe:/a:redhat:enterprise_linux:8::nfv", "package": "kernel-rt-0:4.18.0-553.22.1.rt7.363.el8_10", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2024-09-24T00:00:00Z"}, {"advisory": "RHSA-2024:7000", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "kernel-0:4.18.0-553.22.1.el8_10", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2024-09-24T00:00:00Z"}, {"advisory": "RHSA-2024:9315", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-503.11.1.el9_5", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-11-12T00:00:00Z"}, {"advisory": "RHSA-2024:9315", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-503.11.1.el9_5", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-11-12T00:00:00Z"}, {"advisory": "RHSA-2024:10771", "cpe": "cpe:/a:redhat:rhel_eus:9.4", "package": "kernel-0:5.14.0-427.47.1.el9_4", "product_name": "Red Hat Enterprise Linux 9.4 Extended Update Support", "release_date": "2024-12-04T00:00:00Z"}], "bugzilla": {"description": "kernel: drm/amdgpu: change vm->task_info handling", "id": "2298079", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2298079"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-99", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ndrm/amdgpu: change vm->task_info handling\nThis patch changes the handling and lifecycle of vm->task_info object.\nThe major changes are:\n- vm->task_info is a dynamically allocated ptr now, and its uasge is\nreference counted.\n- introducing two new helper funcs for task_info lifecycle management\n- amdgpu_vm_get_task_info: reference counts up task_info before\nreturning this info\n- amdgpu_vm_put_task_info: reference counts down task_info\n- last put to task_info() frees task_info from the vm.\nThis patch also does logistical changes required for existing usage\nof vm->task_info.\nV2: Do not block all the prints when task_info not found (Felix)\nV3: Fixed review comments from Felix\n- Fix wrong indentation\n- No debug message for -ENOMEM\n- Add NULL check for task_info\n- Do not duplicate the debug messages (ti vs no ti)\n- Get first reference of task_info in vm_init(), put last\nin vm_fini()\nV4: Fixed review comments from Felix\n- fix double reference increment in create_task_info\n- change amdgpu_vm_get_task_info_pasid\n- additional changes in amdgpu_gem.c while porting"], "name": "CVE-2024-41008", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-07-16T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-41008\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-41008\nhttps://lore.kernel.org/linux-cve-announce/20240716080357.2696435-2-lee@kernel.org/T"], "threat_severity": "Low"}

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