Linux Kernel topcliff-pch driver UAF on unbind
CVE-2026-46301 Published on June 8, 2026
spi: topcliff-pch: fix use-after-free on unbind
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
Products Associated with CVE-2026-46301
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Affected Versions
Linux:- Version c37f3c2749b53225d36faa5c583203c5f12ae15b and below 43334836b907adc21eab3079d2e6b26754468786 is affected.
- Version c37f3c2749b53225d36faa5c583203c5f12ae15b and below 36e58c436d2c2a797800427dc04d74ffd8b6ce1c is affected.
- Version c37f3c2749b53225d36faa5c583203c5f12ae15b and below 4ca90deeca1c7dd72c1c380ba8143565516def2d is affected.
- Version c37f3c2749b53225d36faa5c583203c5f12ae15b and below d79e92161b65832e0b8cad5f3d84d17e5cd7a970 is affected.
- Version c37f3c2749b53225d36faa5c583203c5f12ae15b and below 8822980668c96b5aa251c1e2daec1873262b8f3f is affected.
- Version c37f3c2749b53225d36faa5c583203c5f12ae15b and below d50ef3553acbacce6f2843304d41d06dca358bb6 is affected.
- Version c37f3c2749b53225d36faa5c583203c5f12ae15b and below 0e8e57f9737ea257634db1d152fc430a0788a3e1 is affected.
- Version c37f3c2749b53225d36faa5c583203c5f12ae15b and below 9d72732fe70c11424bc90ed466c7ccfa58b42a9a is affected.
- Version 3.1 is affected.
- Before 3.1 is unaffected.
- Version 5.10.258, <= 5.10.* is unaffected.
- Version 5.15.209, <= 5.15.* is unaffected.
- Version 6.1.175, <= 6.1.* is unaffected.
- Version 6.6.140, <= 6.6.* is unaffected.
- Version 6.12.88, <= 6.12.* is unaffected.
- Version 6.18.30, <= 6.18.* is unaffected.
- Version 7.0.7, <= 7.0.* is unaffected.
- Version 7.1-rc1, <= * is unaffected.