What’s Vulnerable › Vulnerabilities

CVE-2026-46301: spi: topcliff-pch: fix use-after-free on unbind

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-06-08 · updated 2026-07-23
• Weakness: CWE-416

Description

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

Affected products

• Linux kernel: from 3.1 before 5.10.258; from 5.11 before 5.15.209; from 5.16 before 6.1.175; from 6.2 before 6.6.140; from 6.7 before 6.12.88; from 6.13 before 6.18.30 — fixed in 5.10.258, 5.15.209, 6.1.175, 6.12.88, 6.18.30, 6.6.140

How to fix

Upgrade to a fixed version: Linux kernel 5.10.258, 5.15.209, 6.1.175, 6.12.88. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/0e8e57f9737ea257634db1d152fc430a0788a3e1
• https://git.kernel.org/stable/c/36e58c436d2c2a797800427dc04d74ffd8b6ce1c
• https://git.kernel.org/stable/c/43334836b907adc21eab3079d2e6b26754468786
• https://git.kernel.org/stable/c/4ca90deeca1c7dd72c1c380ba8143565516def2d
• https://git.kernel.org/stable/c/8822980668c96b5aa251c1e2daec1873262b8f3f
• https://git.kernel.org/stable/c/9d72732fe70c11424bc90ed466c7ccfa58b42a9a
• https://git.kernel.org/stable/c/d50ef3553acbacce6f2843304d41d06dca358bb6
• https://git.kernel.org/stable/c/d79e92161b65832e0b8cad5f3d84d17e5cd7a970

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