CVE-2023-52901

{"id": "CVE-2023-52901", "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": "2024-08-21T07:15:06.363", "references": [{"url": "https://git.kernel.org/stable/c/08864dc14a6803f0377ca77b9740b26db30c020f", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/2d2820d5f375563690c96e60676855205abfb7f5", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/375be2dd61a072f7b1cac9b17eea59e07b58db3a", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/66fc1600855c05c4ba4e997184c91cf298e0405c", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/9891e5c73cab3fd9ed532dc50e9799e55e974766", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/e8fb5bc76eb86437ab87002d4a36d6da02165654", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/f39c813af0b64f44af94e435c07bfa1ddc2575f5", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-476"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: xhci: Check endpoint is valid before dereferencing it\n\nWhen the host controller is not responding, all URBs queued to all\nendpoints need to be killed. This can cause a kernel panic if we\ndereference an invalid endpoint.\n\nFix this by using xhci_get_virt_ep() helper to find the endpoint and\nchecking if the endpoint is valid before dereferencing it.\n\n[233311.853271] xhci-hcd xhci-hcd.1.auto: xHCI host controller not responding, assume dead\n[233311.853393] Unable to handle kernel NULL pointer dereference at virtual address 00000000000000e8\n\n[233311.853964] pc : xhci_hc_died+0x10c/0x270\n[233311.853971] lr : xhci_hc_died+0x1ac/0x270\n\n[233311.854077] Call trace:\n[233311.854085] xhci_hc_died+0x10c/0x270\n[233311.854093] xhci_stop_endpoint_command_watchdog+0x100/0x1a4\n[233311.854105] call_timer_fn+0x50/0x2d4\n[233311.854112] expire_timers+0xac/0x2e4\n[233311.854118] run_timer_softirq+0x300/0xabc\n[233311.854127] __do_softirq+0x148/0x528\n[233311.854135] irq_exit+0x194/0x1a8\n[233311.854143] __handle_domain_irq+0x164/0x1d0\n[233311.854149] gic_handle_irq.22273+0x10c/0x188\n[233311.854156] el1_irq+0xfc/0x1a8\n[233311.854175] lpm_cpuidle_enter+0x25c/0x418 [msm_pm]\n[233311.854185] cpuidle_enter_state+0x1f0/0x764\n[233311.854194] do_idle+0x594/0x6ac\n[233311.854201] cpu_startup_entry+0x7c/0x80\n[233311.854209] secondary_start_kernel+0x170/0x198"}, {"lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: usb: xhci: verifique que el endpoint sea v\u00e1lido antes de desreferenciarlo. Cuando el controlador de host no responde, se deben eliminar todas las URB en cola para todos los endpoints. Esto puede provocar un p\u00e1nico en el kernel si eliminamos la referencia a un endpoint no v\u00e1lido. Solucione este problema utilizando el asistente xhci_get_virt_ep() para encontrar el endpoint y comprobar si es v\u00e1lido antes de desreferenciarlo. [233311.853271] xhci-hcd xhci-hcd.1.auto: El controlador de host xHCI no responde, se supone muerto [233311.853393] No se puede manejar la desreferencia del puntero NULL del kernel en la direcci\u00f3n virtual 00000000000000e8 [233311.853964] pc: xhci_hc_died+0x10c/ 0x270 [233311.853971] lr : xhci_hc_died+0x1ac/0x270 [233311.854077] Rastreo de llamadas: [233311.854085] xhci_hc_died+0x10c/0x270 [233311.854093] xhci_stop_endpoint_command_watchdog+0x100/0x1a4 11.854105] call_timer_fn+0x50/0x2d4 [233311.854112] expire_timers+0xac/0x2e4 [233311.854118] run_timer_softirq+0x300 /0xabc [233311.854127] __do_softirq+0x148/0x528 [233311.854135] irq_exit+0x194/0x1a8 [233311.854143] __handle_domain_irq+0x164/0x1d0 [233311.854149] gic_handle_irq.22273+0x10c/0x188 [233311.854156] el1_irq+0xfc/0x1a8 [233311.854175] lpm_cpuidle_enter+0x25c /0x418 [msm_pm] [233311.854185] cpuidle_enter_state+0x1f0/0x764 [233311.854194] do_idle+0x594/0x6ac [233311.854201] cpu_startup_entry+0x7c/0x80 [233311.8542 09] kernel_inicio_secundario+0x170/0x198"}], "lastModified": "2024-09-13T13:37:17.943", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A0519E43-4E92-4BCE-92E7-956733784203", "versionEndExcluding": "4.14.304", "versionStartIncluding": "3.15"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D86DA289-B5BC-4629-BD56-AB453D481393", "versionEndExcluding": "4.19.271", "versionStartIncluding": "4.15"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9DB7398D-9781-49C5-B2AE-1969B694B614", "versionEndExcluding": "5.4.230", "versionStartIncluding": "4.20"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C6002D5B-9B6A-4788-B943-E3EE01E01303", "versionEndExcluding": "5.10.165", "versionStartIncluding": "5.5"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E995CDA5-7223-4FDB-BAD3-81B22C763A43", "versionEndExcluding": "5.15.90", "versionStartIncluding": "5.11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A6AFE6C9-3F59-4711-B2CF-7D6682FF6BD0", "versionEndExcluding": "6.1.8", "versionStartIncluding": "5.16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.2:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FF501633-2F44-4913-A8EE-B021929F49F6"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.2:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2BDA597B-CAC1-4DF0-86F0-42E142C654E9"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.2:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "725C78C9-12CE-406F-ABE8-0813A01D66E8"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.2:rc4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A127C155-689C-4F67-B146-44A57F4BFD85"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}