cve-2023-52776
Vulnerability from cvelistv5
Published
2024-05-21 15:30
Modified
2024-11-04 14:52
Summary
wifi: ath12k: fix dfs-radar and temperature event locking
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website


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              "confidentialityImpact": "NONE",
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                "role": "CISA Coordinator",
                "timestamp": "2024-05-29T18:48:38.223706Z",
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    "cna": {
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          "programFiles": [
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath12k: fix dfs-radar and temperature event locking\n\nThe ath12k active pdevs are protected by RCU but the DFS-radar and\ntemperature event handling code calling ath12k_mac_get_ar_by_pdev_id()\nwas not marked as a read-side critical section.\n\nMark the code in question as RCU read-side critical sections to avoid\nany potential use-after-free issues.\n\nNote that the temperature event handler looks like a place holder\ncurrently but would still trigger an RCU lockdep splat.\n\nCompile tested only."
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    "assignerShortName": "Linux",
    "cveId": "CVE-2023-52776",
    "datePublished": "2024-05-21T15:30:56.906Z",
    "dateReserved": "2024-05-21T15:19:24.239Z",
    "dateUpdated": "2024-11-04T14:52:29.522Z",
    "state": "PUBLISHED"
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    "nvd": "{\"cve\":{\"id\":\"CVE-2023-52776\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-05-21T16:15:16.680\",\"lastModified\":\"2024-10-31T15:35:18.237\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nwifi: ath12k: fix dfs-radar and temperature event locking\\n\\nThe ath12k active pdevs are protected by RCU but the DFS-radar and\\ntemperature event handling code calling ath12k_mac_get_ar_by_pdev_id()\\nwas not marked as a read-side critical section.\\n\\nMark the code in question as RCU read-side critical sections to avoid\\nany potential use-after-free issues.\\n\\nNote that the temperature event handler looks like a place holder\\ncurrently but would still trigger an RCU lockdep splat.\\n\\nCompile tested only.\"},{\"lang\":\"es\",\"value\":\" En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: wifi: ath12k: corrige el bloqueo de eventos de temperatura y radar dfs. Los pdev activos de ath12k est\u00e1n protegidos por RCU, pero el c\u00f3digo de manejo de eventos de temperatura y radar DFS que llama a ath12k_mac_get_ar_by_pdev_id() no estaba marcado como una secci\u00f3n cr\u00edtica del lado de lectura. Marque el c\u00f3digo en cuesti\u00f3n como secciones cr\u00edticas del lado de lectura de RCU para evitar posibles problemas de use after free. Tenga en cuenta que el controlador de eventos de temperatura actualmente parece un marcador de posici\u00f3n, pero a\u00fan as\u00ed activar\u00eda un bloqueo de bloqueo de RCU. Compilaci\u00f3n probada \u00fanicamente.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"NONE\",\"baseScore\":5.9,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":2.2,\"impactScore\":3.6}]},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/69bd216e049349886405b1c87a55dce3d35d1ba7\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/774de37c147fea81f2c2e4be5082304f4f71d535\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/d7a5f7f76568e48869916d769e28b9f3ca70c78e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
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}


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