CVE-2024-49886

{"id": "CVE-2024-49886", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2024-10-21T18:15:11.293", "references": [{"url": "https://git.kernel.org/stable/c/1973c4d8ee0782a808303d75e3be9c12baaacd97", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/7d59ac07ccb58f8f604f8057db63b8efcebeb3de", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/8176d4878ed2af5d93ddd0e971e24c412124d38b", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/afa7f78d9a907cfded6c98c91aae2bf7b3b56e51", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/cdd03afcb6eda3103da5a0948d3db12372f62910", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/cebc705b097d5c16469b141a25e840161d1c517a", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/x86: ISST: Fix the KASAN report slab-out-of-bounds bug\n\nAttaching SST PCI device to VM causes \"BUG: KASAN: slab-out-of-bounds\".\nkasan report:\n[ 19.411889] ==================================================================\n[ 19.413702] BUG: KASAN: slab-out-of-bounds in _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common]\n[ 19.415634] Read of size 8 at addr ffff888829e65200 by task cpuhp/16/113\n[ 19.417368]\n[ 19.418627] CPU: 16 PID: 113 Comm: cpuhp/16 Tainted: G E 6.9.0 #10\n[ 19.420435] Hardware name: VMware, Inc. VMware20,1/440BX Desktop Reference Platform, BIOS VMW201.00V.20192059.B64.2207280713 07/28/2022\n[ 19.422687] Call Trace:\n[ 19.424091] <TASK>\n[ 19.425448] dump_stack_lvl+0x5d/0x80\n[ 19.426963] ? _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common]\n[ 19.428694] print_report+0x19d/0x52e\n[ 19.430206] ? __pfx__raw_spin_lock_irqsave+0x10/0x10\n[ 19.431837] ? _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common]\n[ 19.433539] kasan_report+0xf0/0x170\n[ 19.435019] ? _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common]\n[ 19.436709] _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common]\n[ 19.438379] ? __pfx_sched_clock_cpu+0x10/0x10\n[ 19.439910] isst_if_cpu_online+0x406/0x58f [isst_if_common]\n[ 19.441573] ? __pfx_isst_if_cpu_online+0x10/0x10 [isst_if_common]\n[ 19.443263] ? ttwu_queue_wakelist+0x2c1/0x360\n[ 19.444797] cpuhp_invoke_callback+0x221/0xec0\n[ 19.446337] cpuhp_thread_fun+0x21b/0x610\n[ 19.447814] ? __pfx_cpuhp_thread_fun+0x10/0x10\n[ 19.449354] smpboot_thread_fn+0x2e7/0x6e0\n[ 19.450859] ? __pfx_smpboot_thread_fn+0x10/0x10\n[ 19.452405] kthread+0x29c/0x350\n[ 19.453817] ? __pfx_kthread+0x10/0x10\n[ 19.455253] ret_from_fork+0x31/0x70\n[ 19.456685] ? __pfx_kthread+0x10/0x10\n[ 19.458114] ret_from_fork_asm+0x1a/0x30\n[ 19.459573] </TASK>\n[ 19.460853]\n[ 19.462055] Allocated by task 1198:\n[ 19.463410] kasan_save_stack+0x30/0x50\n[ 19.464788] kasan_save_track+0x14/0x30\n[ 19.466139] __kasan_kmalloc+0xaa/0xb0\n[ 19.467465] __kmalloc+0x1cd/0x470\n[ 19.468748] isst_if_cdev_register+0x1da/0x350 [isst_if_common]\n[ 19.470233] isst_if_mbox_init+0x108/0xff0 [isst_if_mbox_msr]\n[ 19.471670] do_one_initcall+0xa4/0x380\n[ 19.472903] do_init_module+0x238/0x760\n[ 19.474105] load_module+0x5239/0x6f00\n[ 19.475285] init_module_from_file+0xd1/0x130\n[ 19.476506] idempotent_init_module+0x23b/0x650\n[ 19.477725] __x64_sys_finit_module+0xbe/0x130\n[ 19.476506] idempotent_init_module+0x23b/0x650\n[ 19.477725] __x64_sys_finit_module+0xbe/0x130\n[ 19.478920] do_syscall_64+0x82/0x160\n[ 19.480036] entry_SYSCALL_64_after_hwframe+0x76/0x7e\n[ 19.481292]\n[ 19.482205] The buggy address belongs to the object at ffff888829e65000\n which belongs to the cache kmalloc-512 of size 512\n[ 19.484818] The buggy address is located 0 bytes to the right of\n allocated 512-byte region [ffff888829e65000, ffff888829e65200)\n[ 19.487447]\n[ 19.488328] The buggy address belongs to the physical page:\n[ 19.489569] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff888829e60c00 pfn:0x829e60\n[ 19.491140] head: order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0\n[ 19.492466] anon flags: 0x57ffffc0000840(slab|head|node=1|zone=2|lastcpupid=0x1fffff)\n[ 19.493914] page_type: 0xffffffff()\n[ 19.494988] raw: 0057ffffc0000840 ffff88810004cc80 0000000000000000 0000000000000001\n[ 19.496451] raw: ffff888829e60c00 0000000080200018 00000001ffffffff 0000000000000000\n[ 19.497906] head: 0057ffffc0000840 ffff88810004cc80 0000000000000000 0000000000000001\n[ 19.499379] head: ffff888829e60c00 0000000080200018 00000001ffffffff 0000000000000000\n[ 19.500844] head: 0057ffffc0000003 ffffea0020a79801 ffffea0020a79848 00000000ffffffff\n[ 19.502316] head: 0000000800000000 0000000000000000 00000000ffffffff 0000000000000000\n[ 19.503784] page dumped because: k\n---truncated---"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: plataforma/x86: ISST: Se corrige el error de informe KASAN slab-out-of-bounds. Conectar un dispositivo PCI SST a una m\u00e1quina virtual provoca \"BUG: KASAN: slab-out-of-bounds\". informe de kasan: [ 19.411889] ======================================================================= [ 19.413702] ERROR: KASAN: slab fuera de los l\u00edmites en _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common] [ 19.415634] Lectura de tama\u00f1o 8 en la direcci\u00f3n ffff888829e65200 por la tarea cpuhp/16/113 [ 19.417368] [ 19.418627] CPU: 16 PID: 113 Comm: cpuhp/16 Contaminado: GE 6.9.0 #10 [ 19.420435] Nombre del hardware: VMware, Inc. VMware20,1/440BX Desktop Reference Platform, BIOS VMW201.00V.20192059.B64.2207280713 28/07/2022 [ 19.422687] Seguimiento de llamadas: [ 19.424091] [ 19.425448] dump_stack_lvl+0x5d/0x80 [ 19.426963] ? _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common] [ 19.428694] print_report+0x19d/0x52e [ 19.430206] ? __pfx__raw_spin_lock_irqsave+0x10/0x10 [ 19.431837] ? _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common] [ 19.433539] kasan_report+0xf0/0x170 [ 19.435019] ? _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common] [ 19.436709] _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common] [ 19.438379] ? __pfx_sched_clock_cpu+0x10/0x10 [ 19.439910] isst_if_cpu_online+0x406/0x58f [isst_if_common] [ 19.441573] ? __pfx_isst_if_cpu_online+0x10/0x10 [isst_if_common] [ 19.443263] ? ttwu_queue_wakelist+0x2c1/0x360 [ 19.444797] cpuhp_invoke_callback+0x221/0xec0 [ 19.446337] cpuhp_thread_fun+0x21b/0x610 [ 19.447814] ? __pfx_cpuhp_thread_fun+0x10/0x10 [ 19.449354] smpboot_thread_fn+0x2e7/0x6e0 [ 19.450859] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 19.452405] kthread+0x29c/0x350 [ 19.453817] ? __pfx_kthread+0x10/0x10 [ 19.455253] ret_from_fork+0x31/0x70 [ 19.456685] ? __pfx_kthread+0x10/0x10 [ 19.458114] ret_from_fork_asm+0x1a/0x30 [ 19.459573] [ 19.460853] [ 19.462055] Asignado por la tarea 1198: [ 19.463410] kasan_save_stack+0x30/0x50 [ 19.464788] kasan_save_track+0x14/0x30 [ 19.466139] __kasan_kmalloc+0xaa/0xb0 [ 19.467465] __kmalloc+0x1cd/0x470 [ 19.468748] isst_if_cdev_register+0x1da/0x350 [isst_if_common] [ 19.470233] isst_if_mbox_init+0x108/0xff0 [isst_if_mbox_msr] [ 19.471670] do_one_initcall+0xa4/0x380 [ 19.472903] do_init_module+0x238/0x760 [ 19.474105] load_module+0x5239/0x6f00 [ 19.475285] init_module_from_file+0xd1/0x130 [ 19.476506] idempotent_init_module+0x23b/0x650 [ 19.477725] __x64_sys_finit_module+0xbe/0x130 [ 19.476506] idempotent_init_module+0x23b/0x650 [ 19.477725] __x64_sys_finit_module+0xbe/0x130 [ 19.478920] do_syscall_64+0x82/0x160 [ 19.480036] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 19.481292] [ 19.482205] La direcci\u00f3n con errores pertenece al objeto en ffff888829e65000 que pertenece a la cach\u00e9 kmalloc-512 de tama\u00f1o 512 [ 19.484818] La direcci\u00f3n con errores se encuentra 0 bytes a la derecha de la regi\u00f3n asignada de 512 bytes [ffff888829e65000, ffff888829e65200) [ 19.487447] [ 19.488328] La direcci\u00f3n con errores pertenece a la p\u00e1gina f\u00edsica: [ 19.489569] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff888829e60c00 pfn:0x829e60 [ 19.491140] head: order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 19.492466] anon flags: 0x57ffffc0000840(losa|cabeza|nodo=1|zona=2|lastcpupid=0x1fffff) [ 19.493914] tipo_de_p\u00e1gina: 0xffffffff() [ 19.494988] sin procesar: 0057ffffc0000840 ffff88810004cc80 0000000000000000 0000000000000001 [ 19.496451] sin procesar: ffff888829e60c00 0000000080200018 00000001ffffffff 0000000000000000 [ 19.497906] cabeza: 0057ffffc0000840 ffff88810004cc80 0000000000000000 000000000000001 [ 19.499379] cabeza: ffff888829e60c00 0000000080200018 00000001ffffffff 0000000000000000 [ 19.500844] cabeza: 0057ffffc0000003 ffffea0020a79801 ffffea0020a79848 00000000ffffffff [ 19.502316] cabeza: 0000000800000000 0000000000000000 00000000ffffffff 000000000000000 [ 19.503784] p\u00e1gina volcada porque: k ---truncada---"}], "lastModified": "2024-11-13T14:39:36.240", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1745FED1-C7B9-44F6-A2B7-C2FED07A22C8", "versionEndExcluding": "5.15.168", "versionStartIncluding": "5.15.115"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E43F7555-891D-4BA1-85D1-7A6816C6083B", "versionEndExcluding": "6.1.113", "versionStartIncluding": "6.0"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E90B9576-56C4-47BC-AAB0-C5B2D438F5D0", "versionEndExcluding": "6.6.55", "versionStartIncluding": "6.2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4C16BCE0-FFA0-4599-BE0A-1FD65101C021", "versionEndExcluding": "6.10.14", "versionStartIncluding": "6.7"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "54D9C704-D679-41A7-9C40-10A6B1E7FFE9", "versionEndExcluding": "6.11.3", "versionStartIncluding": "6.11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7F361E1D-580F-4A2D-A509-7615F73167A1"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}