cve-2022-48699
Vulnerability from cvelistv5
Published
2024-05-03 15:11
Modified
2024-11-04 12:14
Severity ?
Summary
sched/debug: fix dentry leak in update_sched_domain_debugfs
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website


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                "id": "CVE-2022-48699",
                "options": [
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                  },
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                    "Automatable": "no"
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                "role": "CISA Coordinator",
                "timestamp": "2024-05-28T17:42:13.797299Z",
                "version": "2.0.3"
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsched/debug: fix dentry leak in update_sched_domain_debugfs\n\nKuyo reports that the pattern of using debugfs_remove(debugfs_lookup())\nleaks a dentry and with a hotplug stress test, the machine eventually\nruns out of memory.\n\nFix this up by using the newly created debugfs_lookup_and_remove() call\ninstead which properly handles the dentry reference counting logic."
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    "dateReserved": "2024-05-03T14:55:07.145Z",
    "dateUpdated": "2024-11-04T12:14:47.701Z",
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    "nvd": "{\"cve\":{\"id\":\"CVE-2022-48699\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-05-03T16:15:08.453\",\"lastModified\":\"2024-05-06T12:44:56.377\",\"vulnStatus\":\"Awaiting Analysis\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nsched/debug: fix dentry leak in update_sched_domain_debugfs\\n\\nKuyo reports that the pattern of using debugfs_remove(debugfs_lookup())\\nleaks a dentry and with a hotplug stress test, the machine eventually\\nruns out of memory.\\n\\nFix this up by using the newly created debugfs_lookup_and_remove() call\\ninstead which properly handles the dentry reference counting logic.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: sched/debug: corrige la fuga de dentry en update_sched_domain_debugfs Kuyo informa que el patr\u00f3n de uso de debugfs_remove(debugfs_lookup()) pierde un dentry y con una prueba de estr\u00e9s de conexi\u00f3n en caliente, la m\u00e1quina eventualmente se queda sin memoria. Solucione este problema utilizando la llamada debugfs_lookup_and_remove() reci\u00e9n creada, que maneja adecuadamente la l\u00f3gica de conteo de referencias de dentry.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/0c32a93963e03c03e561d5a066eedad211880ba3\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/26e9a1ded8923510e5529fbb28390b22228700c2\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/c2e406596571659451f4b95e37ddfd5a8ef1d0dc\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
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