CVE-2025-38393 (GCVE-0-2025-38393)
Vulnerability from cvelistv5
Published
2025-07-25 12:53
Modified
2025-07-28 04:20
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: NFSv4/pNFS: Fix a race to wake on NFS_LAYOUT_DRAIN We found a few different systems hung up in writeback waiting on the same page lock, and one task waiting on the NFS_LAYOUT_DRAIN bit in pnfs_update_layout(), however the pnfs_layout_hdr's plh_outstanding count was zero. It seems most likely that this is another race between the waiter and waker similar to commit ed0172af5d6f ("SUNRPC: Fix a race to wake a sync task"). Fix it up by applying the advised barrier.
References
Impacted products
Vendor Product Version
Linux Linux Version: 8acc3e228e1c90bd410f73597a4549e0409f22d6
Version: ec23a86e060cbe30b62eb2955adc97c92d80cc4c
Version: 880265c77ac415090090d1fe72a188fee71cb458
Version: 880265c77ac415090090d1fe72a188fee71cb458
Version: 880265c77ac415090090d1fe72a188fee71cb458
Version: 880265c77ac415090090d1fe72a188fee71cb458
Version: 880265c77ac415090090d1fe72a188fee71cb458
Version: f133819e24e78f3aaaa00e9fa2b816d5f73fd172
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{
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nNFSv4/pNFS: Fix a race to wake on NFS_LAYOUT_DRAIN\n\nWe found a few different systems hung up in writeback waiting on the same\npage lock, and one task waiting on the NFS_LAYOUT_DRAIN bit in\npnfs_update_layout(), however the pnfs_layout_hdr\u0027s plh_outstanding count\nwas zero.\n\nIt seems most likely that this is another race between the waiter and waker\nsimilar to commit ed0172af5d6f (\"SUNRPC: Fix a race to wake a sync task\").\nFix it up by applying the advised barrier."
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      "providerMetadata": {
        "dateUpdated": "2025-07-28T04:20:57.805Z",
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        "shortName": "Linux"
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    "cveId": "CVE-2025-38393",
    "datePublished": "2025-07-25T12:53:38.104Z",
    "dateReserved": "2025-04-16T04:51:24.011Z",
    "dateUpdated": "2025-07-28T04:20:57.805Z",
    "state": "PUBLISHED"
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  }
}


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