CVE-2026-46301 PUBLISHED

spi: topcliff-pch: fix use-after-free on unbind

Assigner: Linux
Reserved: 13.05.2026 Published: 08.06.2026 Updated: 14.06.2026

In the Linux kernel, the following vulnerability has been resolved:

spi: topcliff-pch: fix use-after-free on unbind

Give the driver a chance to flush its queue before releasing the DMA buffers on driver unbind

Product Status

Vendor Linux
Product Linux
Versions Default: unaffected
  • affected from c37f3c2749b53225d36faa5c583203c5f12ae15b to 43334836b907adc21eab3079d2e6b26754468786 (excl.)
  • affected from c37f3c2749b53225d36faa5c583203c5f12ae15b to 36e58c436d2c2a797800427dc04d74ffd8b6ce1c (excl.)
  • affected from c37f3c2749b53225d36faa5c583203c5f12ae15b to 4ca90deeca1c7dd72c1c380ba8143565516def2d (excl.)
  • affected from c37f3c2749b53225d36faa5c583203c5f12ae15b to d79e92161b65832e0b8cad5f3d84d17e5cd7a970 (excl.)
  • affected from c37f3c2749b53225d36faa5c583203c5f12ae15b to 8822980668c96b5aa251c1e2daec1873262b8f3f (excl.)
  • affected from c37f3c2749b53225d36faa5c583203c5f12ae15b to d50ef3553acbacce6f2843304d41d06dca358bb6 (excl.)
  • affected from c37f3c2749b53225d36faa5c583203c5f12ae15b to 0e8e57f9737ea257634db1d152fc430a0788a3e1 (excl.)
  • affected from c37f3c2749b53225d36faa5c583203c5f12ae15b to 9d72732fe70c11424bc90ed466c7ccfa58b42a9a (excl.)
Vendor Linux
Product Linux
Versions Default: affected
  • Version 3.1 is affected
  • unaffected from 0 to 3.1 (excl.)
  • unaffected from 5.10.258 to 5.10.* (incl.)
  • unaffected from 5.15.209 to 5.15.* (incl.)
  • unaffected from 6.1.175 to 6.1.* (incl.)
  • unaffected from 6.6.140 to 6.6.* (incl.)
  • unaffected from 6.12.88 to 6.12.* (incl.)
  • unaffected from 6.18.30 to 6.18.* (incl.)
  • unaffected from 7.0.7 to 7.0.* (incl.)
  • unaffected from 7.1 to * (incl.)

References