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CVE-2025-38270

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CVE-2025-38270

Published: Jul 10, 2025

Modified: May 11, 2026

PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: net: drv: netdevsim: don't napi_complete() from netpoll netdevsim supports netpoll. Make sure we don't call napi_complete() from it, since it may not be scheduled. Breno reports hitting a warning in napi_complete_done(): WARNING: CPU: 14 PID: 104 at net/core/dev.c:6592 napi_complete_done+0x2cc/0x560 __napi_poll+0x2d8/0x3a0 handle_softirqs+0x1fe/0x710 This is presumably after netpoll stole the SCHED bit prematurely.

VendorProductVersions

Linux

Linux

affected
3762ec05a9fbda16aaaa2568df679ab8ad13f38d - < a8ff2e362d901200a1075c3ca9c56d9c7bbef389
affected
3762ec05a9fbda16aaaa2568df679ab8ad13f38d - < 6837dd877270c57689bd866de9f3de14172c2439
affected
3762ec05a9fbda16aaaa2568df679ab8ad13f38d - < 1264971017b4d7141352a7fe29021bdfce5d885d

Linux

Linux

affected
6.10
unaffected
0 - < 6.10
unaffected
6.12.34 - <= 6.12.*
unaffected
6.15.3 - <= 6.15.*
unaffected
6.16 - <= *

References

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