CVE-2024-46766

{"id": "CVE-2024-46766", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "published": "2024-09-18T08:15:04.760", "references": [{"url": "https://git.kernel.org/stable/c/2285c2faef19ee08a6bd6754f4c3ec07dceb2889", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/2a5dc090b92cfa5270e20056074241c6db5c9cdd", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-787"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nice: move netif_queue_set_napi to rtnl-protected sections\n\nCurrently, netif_queue_set_napi() is called from ice_vsi_rebuild() that is\nnot rtnl-locked when called from the reset. This creates the need to take\nthe rtnl_lock just for a single function and complicates the\nsynchronization with .ndo_bpf. At the same time, there no actual need to\nfill napi-to-queue information at this exact point.\n\nFill napi-to-queue information when opening the VSI and clear it when the\nVSI is being closed. Those routines are already rtnl-locked.\n\nAlso, rewrite napi-to-queue assignment in a way that prevents inclusion of\nXDP queues, as this leads to out-of-bounds writes, such as one below.\n\n[ +0.000004] BUG: KASAN: slab-out-of-bounds in netif_queue_set_napi+0x1c2/0x1e0\n[ +0.000012] Write of size 8 at addr ffff889881727c80 by task bash/7047\n[ +0.000006] CPU: 24 PID: 7047 Comm: bash Not tainted 6.10.0-rc2+ #2\n[ +0.000004] Hardware name: Intel Corporation S2600WFT/S2600WFT, BIOS SE5C620.86B.02.01.0014.082620210524 08/26/2021\n[ +0.000003] Call Trace:\n[ +0.000003] <TASK>\n[ +0.000002] dump_stack_lvl+0x60/0x80\n[ +0.000007] print_report+0xce/0x630\n[ +0.000007] ? __pfx__raw_spin_lock_irqsave+0x10/0x10\n[ +0.000007] ? __virt_addr_valid+0x1c9/0x2c0\n[ +0.000005] ? netif_queue_set_napi+0x1c2/0x1e0\n[ +0.000003] kasan_report+0xe9/0x120\n[ +0.000004] ? netif_queue_set_napi+0x1c2/0x1e0\n[ +0.000004] netif_queue_set_napi+0x1c2/0x1e0\n[ +0.000005] ice_vsi_close+0x161/0x670 [ice]\n[ +0.000114] ice_dis_vsi+0x22f/0x270 [ice]\n[ +0.000095] ice_pf_dis_all_vsi.constprop.0+0xae/0x1c0 [ice]\n[ +0.000086] ice_prepare_for_reset+0x299/0x750 [ice]\n[ +0.000087] pci_dev_save_and_disable+0x82/0xd0\n[ +0.000006] pci_reset_function+0x12d/0x230\n[ +0.000004] reset_store+0xa0/0x100\n[ +0.000006] ? __pfx_reset_store+0x10/0x10\n[ +0.000002] ? __pfx_mutex_lock+0x10/0x10\n[ +0.000004] ? __check_object_size+0x4c1/0x640\n[ +0.000007] kernfs_fop_write_iter+0x30b/0x4a0\n[ +0.000006] vfs_write+0x5d6/0xdf0\n[ +0.000005] ? fd_install+0x180/0x350\n[ +0.000005] ? __pfx_vfs_write+0x10/0xA10\n[ +0.000004] ? do_fcntl+0x52c/0xcd0\n[ +0.000004] ? kasan_save_track+0x13/0x60\n[ +0.000003] ? kasan_save_free_info+0x37/0x60\n[ +0.000006] ksys_write+0xfa/0x1d0\n[ +0.000003] ? __pfx_ksys_write+0x10/0x10\n[ +0.000002] ? __x64_sys_fcntl+0x121/0x180\n[ +0.000004] ? _raw_spin_lock+0x87/0xe0\n[ +0.000005] do_syscall_64+0x80/0x170\n[ +0.000007] ? _raw_spin_lock+0x87/0xe0\n[ +0.000004] ? __pfx__raw_spin_lock+0x10/0x10\n[ +0.000003] ? file_close_fd_locked+0x167/0x230\n[ +0.000005] ? syscall_exit_to_user_mode+0x7d/0x220\n[ +0.000005] ? do_syscall_64+0x8c/0x170\n[ +0.000004] ? do_syscall_64+0x8c/0x170\n[ +0.000003] ? do_syscall_64+0x8c/0x170\n[ +0.000003] ? fput+0x1a/0x2c0\n[ +0.000004] ? filp_close+0x19/0x30\n[ +0.000004] ? do_dup2+0x25a/0x4c0\n[ +0.000004] ? __x64_sys_dup2+0x6e/0x2e0\n[ +0.000002] ? syscall_exit_to_user_mode+0x7d/0x220\n[ +0.000004] ? do_syscall_64+0x8c/0x170\n[ +0.000003] ? __count_memcg_events+0x113/0x380\n[ +0.000005] ? handle_mm_fault+0x136/0x820\n[ +0.000005] ? do_user_addr_fault+0x444/0xa80\n[ +0.000004] ? clear_bhb_loop+0x25/0x80\n[ +0.000004] ? clear_bhb_loop+0x25/0x80\n[ +0.000002] entry_SYSCALL_64_after_hwframe+0x76/0x7e\n[ +0.000005] RIP: 0033:0x7f2033593154"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ice: mover netif_queue_set_napi a secciones protegidas por rtnl Actualmente, netif_queue_set_napi() se llama desde ice_vsi_rebuild() que no est\u00e1 bloqueado por rtnl cuando se llama desde el reinicio. Esto crea la necesidad de tomar rtnl_lock solo para una \u00fanica funci\u00f3n y complica la sincronizaci\u00f3n con .ndo_bpf. Al mismo tiempo, no hay necesidad real de completar la informaci\u00f3n de napi a cola en este punto exacto. Complete la informaci\u00f3n de napi a cola al abrir la VSI y l\u00edmpiela cuando se cierre la VSI. Esas rutinas ya est\u00e1n bloqueadas por rtnl. Adem\u00e1s, reescriba la asignaci\u00f3n de napi a cola de una manera que evite la inclusi\u00f3n de colas XDP, ya que esto conduce a escrituras fuera de los l\u00edmites, como la siguiente. [ +0.000004] ERROR: KASAN: slab-out-of-bounds en netif_queue_set_napi+0x1c2/0x1e0 [ +0.000012] Escritura de tama\u00f1o 8 en la direcci\u00f3n ffff889881727c80 por la tarea bash/7047 [ +0.000006] CPU: 24 PID: 7047 Comm: bash No contaminado 6.10.0-rc2+ #2 [ +0.000004] Nombre del hardware: Intel Corporation S2600WFT/S2600WFT, BIOS SE5C620.86B.02.01.0014.082620210524 26/08/2021 [ +0.000003] Seguimiento de llamadas: [ +0.000003] [ +0.000002] nivel_pila_volcado+0x60/0x80 [ +0.000007] informe_impresi\u00f3n+0xce/0x630 [ +0.000007] ? __pfx__raw_spin_lock_irqsave+0x10/0x10 [ +0.000007] ? __virt_addr_valid+0x1c9/0x2c0 [ +0.000005] ? netif_queue_set_napi+0x1c2/0x1e0 [ +0.000003] informe_kasan+0xe9/0x120 [ +0.000004] ? netif_queue_set_napi+0x1c2/0x1e0 [ +0.000004] netif_queue_set_napi+0x1c2/0x1e0 [ +0.000005] ice_vsi_close+0x161/0x670 [hielo] [ +0.000114] ice_dis_vsi+0x22f/0x270 [hielo] [ +0.000095] ice_pf_dis_all_vsi.constprop.0+0xae/0x1c0 [hielo] [ +0.000086] ice_preparar_para_restablecer+0x299/0x750 [hielo] [ +0.000087] pci_dev_guardar_y_deshabilitar+0x82/0xd0 [ +0.000006] pci_reset_function+0x12d/0x230 [ +0.000004] reset_store+0xa0/0x100 [ +0.000006] ? __pfx_reset_store+0x10/0x10 [ +0.000002] ? __pfx_mutex_lock+0x10/0x10 [ +0.000004] ? __check_object_size+0x4c1/0x640 [ +0.000007] kernfs_fop_write_iter+0x30b/0x4a0 [ +0.000006] vfs_write+0x5d6/0xdf0 [ +0.000005] ? kasan_save_track+0x13/0x60 [ +0.000003] ? kasan_save_free_info+0x37/0x60 [ +0.000006] ksys_write+0xfa/0x1d0 [ +0.000003] ? __pfx_ksys_write+0x10/0x10 [ +0.000002] ? __x64_sys_fcntl+0x121/0x180 [ +0.000004] ? _raw_spin_lock+0x87/0xe0 [ +0.000005] hacer_syscall_64+0x80/0x170 [ +0.000007] ? _raw_spin_lock+0x87/0xe0 [ +0.000004] ? __pfx__raw_spin_lock+0x10/0x10 [ +0.000003] ? cerrar_archivo_fd_bloqueado+0x167/0x230 [ +0.000005] ? salir_syscall_al_modo_usuario+0x7d/0x220 [ +0.000005] ? __x64_sys_dup2+0x6e/0x2e0 [ +0.000002] ? syscall_salir_al_modo_usuario+0x7d/0x220 [ +0.000004] ? do_syscall_64+0x8c/0x170 [ +0.000003] ? __count_memcg_events+0x113/0x380 [ +0.000005] ? handle_mm_fault+0x136/0x820 [ +0.000005] ? do_user_addr_fault+0x444/0xa80 [ +0.000004] ? clear_bhb_loop+0x25/0x80 [ +0.000004] ? borrar_bucle_bhb+0x25/0x80 [ +0.000002] entrada_SYSCALL_64_despu\u00e9s_de_hwframe+0x76/0x7e [ +0.000005] RIP: 0033:0x7f2033593154"}], "lastModified": "2024-09-23T16:15:23.823", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4FAFFECB-D55B-4130-801C-AE52B8A6B1BA", "versionEndExcluding": "6.10.10", "versionStartIncluding": "6.8"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.11:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8B3CE743-2126-47A3-8B7C-822B502CF119"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.11:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4DEB27E7-30AA-45CC-8934-B89263EF3551"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.11:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E0005AEF-856E-47EB-BFE4-90C46899394D"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.11:rc4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "39889A68-6D34-47A6-82FC-CD0BF23D6754"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.11:rc5:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B8383ABF-1457-401F-9B61-EE50F4C61F4F"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.11:rc6:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B77A9280-37E6-49AD-B559-5B23A3B1DC3D"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}