cve-2021-46914
Vulnerability from cvelistv5
Published
2024-02-27 06:53
Modified
2024-11-04 11:55
Severity ?
EPSS score ?
Summary
ixgbe: fix unbalanced device enable/disable in suspend/resume
References
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"timestamp": "2024-03-05T16:30:41.651312Z",
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"product": "Linux",
"programFiles": [
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"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-\u003eenable_cnt by 1. pci_enable_device_mem() which increases\ndev-\u003eenable_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"
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"title": "ixgbe: fix unbalanced device enable/disable in suspend/resume",
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"cveId": "CVE-2021-46914",
"datePublished": "2024-02-27T06:53:53.508Z",
"dateReserved": "2024-02-25T13:45:52.718Z",
"dateUpdated": "2024-11-04T11:55:46.873Z",
"state": "PUBLISHED"
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"nvd": "{\"cve\":{\"id\":\"CVE-2021-46914\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-02-27T07:15:07.920\",\"lastModified\":\"2024-04-10T14:03:21.823\",\"vulnStatus\":\"Analyzed\",\"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-\u003eenable_cnt by 1. pci_enable_device_mem() which increases\\ndev-\u003eenable_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-\u0026gt;enable_cnt en 1. pci_enable_device_mem() que aumenta dev-\u0026gt;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\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-Other\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.9.0\",\"versionEndExcluding\":\"5.10.32\",\"matchCriteriaId\":\"E3DE1907-1009-48E0-B696-42F5B1135524\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11.0\",\"versionEndExcluding\":\"5.11.16\",\"matchCriteriaId\":\"3C5242B9-B5BD-4578-AD66-69DF59D54A14\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/be07581aacae7cd0a073afae8e8862032f794309\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/debb9df311582c83fe369baa35fa4b92e8a9c58a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/f1b4be4a753caa4056496f679d70550d0c11a264\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}"
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}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
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- Confirmed: The vulnerability is confirmed from an analyst perspective.
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- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
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