High 7.8Published Jun 8, 2026

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

Updated under an hour ago (Oct 26, 2026, 8:10 PM ET)

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Exploited in the last 30 days

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

CVSS: 7.8 HIGH (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Analyzed
Record last updated: Jun 14, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from c37f3c2749b53225d36faa5c583203c5f12ae15b before 43334836b907adc21eab3079d2e6b26754468786; from c37f3c2749b53225d36faa5c583203c5f12ae15b before 36e58c436d2c2a797800427dc04d74ffd8b6ce1c; from c37f3c2749b53225d36faa5c583203c5f12ae15b before 4ca90deeca1c7dd72c1c380ba8143565516def2d; from c37f3c2749b53225d36faa5c583203c5f12ae15b before d79e92161b65832e0b8cad5f3d84d17e5cd7a970; from c37f3c2749b53225d36faa5c583203c5f12ae15b before 8822980668c96b5aa251c1e2daec1873262b8f3f; from c37f3c2749b53225d36faa5c583203c5f12ae15b before d50ef3553acbacce6f2843304d41d06dca358bb6; from c37f3c2749b53225d36faa5c583203c5f12ae15b before 0e8e57f9737ea257634db1d152fc430a0788a3e1; from c37f3c2749b53225d36faa5c583203c5f12ae15b before 9d72732fe70c11424bc90ed466c7ccfa58b42a9a	CNA record
linux linux_kernel linux: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; from 6.19 before 7.0.7	NVD

References

References

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

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.