GHSA-2WWR-X9V6-X82M
Vulnerability from github – Published: 2024-05-21 18:31 – Updated: 2024-10-31 18:31In the Linux kernel, the following vulnerability has been resolved:
wifi: ath12k: fix dfs-radar and temperature event locking
The ath12k active pdevs are protected by RCU but the DFS-radar and temperature event handling code calling ath12k_mac_get_ar_by_pdev_id() was not marked as a read-side critical section.
Mark the code in question as RCU read-side critical sections to avoid any potential use-after-free issues.
Note that the temperature event handler looks like a place holder currently but would still trigger an RCU lockdep splat.
Compile tested only.
{
"affected": [],
"aliases": [
"CVE-2023-52776"
],
"database_specific": {
"cwe_ids": [
"CWE-416"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-05-21T16:15:16Z",
"severity": "MODERATE"
},
"details": "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.",
"id": "GHSA-2wwr-x9v6-x82m",
"modified": "2024-10-31T18:31:16Z",
"published": "2024-05-21T18:31:20Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-52776"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/69bd216e049349886405b1c87a55dce3d35d1ba7"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/774de37c147fea81f2c2e4be5082304f4f71d535"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/d7a5f7f76568e48869916d769e28b9f3ca70c78e"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N",
"type": "CVSS_V3"
}
]
}
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