CVE-2021-46914

{"id": "CVE-2021-46914", "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": "2024-02-27T07:15:07.920", "references": [{"url": "https://git.kernel.org/stable/c/be07581aacae7cd0a073afae8e8862032f794309", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/debb9df311582c83fe369baa35fa4b92e8a9c58a", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/f1b4be4a753caa4056496f679d70550d0c11a264", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-Other"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nixgbe: fix unbalanced device enable/disable in suspend/resume\n\npci_disable_device() called in __ixgbe_shutdown() decreases\ndev->enable_cnt by 1. pci_enable_device_mem() which increases\ndev->enable_cnt by 1, was removed from ixgbe_resume() in commit\n6f82b2558735 (\"ixgbe: use generic power management\"). This caused\nunbalanced increase/decrease. So add pci_enable_device_mem() back.\n\nFix the following call trace.\n\n ixgbe 0000:17:00.1: disabling already-disabled device\n Call Trace:\n __ixgbe_shutdown+0x10a/0x1e0 [ixgbe]\n ixgbe_suspend+0x32/0x70 [ixgbe]\n pci_pm_suspend+0x87/0x160\n ? pci_pm_freeze+0xd0/0xd0\n dpm_run_callback+0x42/0x170\n __device_suspend+0x114/0x460\n async_suspend+0x1f/0xa0\n async_run_entry_fn+0x3c/0xf0\n process_one_work+0x1dd/0x410\n worker_thread+0x34/0x3f0\n ? cancel_delayed_work+0x90/0x90\n kthread+0x14c/0x170\n ? kthread_park+0x90/0x90\n ret_from_fork+0x1f/0x30"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ixgbe: arreglar dispositivo desequilibrado habilitar/deshabilitar en suspensi\u00f3n/reanudaci\u00f3n pci_disable_device() llamado en __ixgbe_shutdown() disminuye dev->enable_cnt en 1. pci_enable_device_mem() que aumenta dev->enable_cnt en 1 1, se elimin\u00f3 de ixgbe_resume() en el commit 6f82b2558735 (\"ixgbe: usar administraci\u00f3n de energ\u00eda gen\u00e9rica\"). Esto provoc\u00f3 un aumento/disminuci\u00f3n desequilibrado. As\u00ed que vuelva a agregar pci_enable_device_mem(). Corrija el siguiente rastreo de llamadas. ixgbe 0000:17:00.1: deshabilitar el seguimiento de llamadas del dispositivo ya deshabilitado: __ixgbe_shutdown+0x10a/0x1e0 [ixgbe] ixgbe_suspend+0x32/0x70 [ixgbe] pci_pm_suspend+0x87/0x160 ? pci_pm_freeze+0xd0/0xd0 dpm_run_callback+0x42/0x170 __device_suspend+0x114/0x460 async_suspend+0x1f/0xa0 async_run_entry_fn+0x3c/0xf0 Process_one_work+0x1dd/0x410 Workers_thread+0x34/0x3f0 ? cancel_delayed_work+0x90/0x90 kthread+0x14c/0x170 ? kthread_park+0x90/0x90 ret_from_fork+0x1f/0x30"}], "lastModified": "2024-04-10T14:03:21.823", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E3DE1907-1009-48E0-B696-42F5B1135524", "versionEndExcluding": "5.10.32", "versionStartIncluding": "5.9.0"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3C5242B9-B5BD-4578-AD66-69DF59D54A14", "versionEndExcluding": "5.11.16", "versionStartIncluding": "5.11.0"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}