CVE-2025-38393High· 7.5▾ TwilightIn 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…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 41.3 · likelihood 0.1 · exploitation 0
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Exploit-prediction probability, daily snapshots since Oct 15.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.4%
0.4% → 0.4%
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.
Linux >= 8acc3e228e1c90bd410f73597a4549e0409f22d6 < 08287df60bac5b008b6bcdb03053988335d3d282Linux >= ec23a86e060cbe30b62eb2955adc97c92d80cc4c < 8846fd02c98da8b79e6343a20e6071be6f372180Linux >= 880265c77ac415090090d1fe72a188fee71cb458 < e4b13885e7ef1e64e45268feef1e5f0707c47e72Linux >= 880265c77ac415090090d1fe72a188fee71cb458 < 8ca65fa71024a1767a59ffbc6a6e2278af84735eLinux >= 880265c77ac415090090d1fe72a188fee71cb458 < 864a54c1243ed3ca60baa4bc492dede1361f4c83Linux >= 880265c77ac415090090d1fe72a188fee71cb458 < 1f4da20080718f258e189a2c5f515385fa393da6Linux >= 880265c77ac415090090d1fe72a188fee71cb458 < c01776287414ca43412d1319d2877cbad65444acLinux f133819e24e78f3aaaa00e9fa2b816d5f73fd172Linux >= 5.10.124 < 5.10.240Linux >= 5.15.49 < 5.15.187Linux >= 5.18.6 < 5.19Linux 5.19Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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