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CVE-2026-46180 In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: Fix potential use-after-free issue…

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: Fix potential use-after-free issue when stopping watchdog task Watchdog task might end between send_sig() and kthread_stop() calls, what results in the use-after-free issue. Fix this by increasing watchdog task reference count before calling send_sig() and dropping it by switching to kthread_stop_put().

Affected products and versions

Product Affected versions Fixed in
Linux 7.1 earliest → < 7.1 7.1
Linux 7.0 earliest → < 7.0.7 7.0.7
Linux 6.18 earliest → < 6.18.30 6.18.30
Linux 6.12 earliest → < 6.12.88 6.12.88
Linux 6.6 earliest → < 6.6.140 6.6.140
Linux 6.1 earliest → < 6.1.176 6.1.176
Linux 5.15 earliest → < 5.15.210 5.15.210
Linux 5.10 earliest → < 5.10.259 5.10.259
Linux 3.3 No fix stated
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Product Affected versions Fixed in
SIMATIC S7-1500 TM MFP - GNU/Linux subsystem Versions not published

References

Timeline

  1. Published
  2. Last modified

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