SECUFOCUSNOW
Home›CVE index›CVE-2026-46301
Review reviewHigh

CVE-2026-46301

Linux Linux, linux kernel

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
EPSS
0.12%
1.94% percentile
CISA KEV
Not listed
Published
2026.06.09
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.12%
Technical severityCVSS 7.8

Vulnerability overview

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 product and versions

Product
Linux Linux, linux kernel
Affected versions
>= c37f3c2749b53225d36faa5c583203c5f12ae15b < 43334836b907adc21eab3079d2e6b26754468786, >= c37f3c2749b53225d36faa5c583203c5f12ae15b < 36e58c436d2c2a797800427dc04d74ffd8b6ce1c, >= c37f3c2749b53225d36faa5c583203c5f12ae15b < 4ca90deeca1c7dd72c1c380ba8143565516def2d, >= c37f3c2749b53225d36faa5c583203c5f12ae15b < d79e92161b65832e0b8cad5f3d84d17e5cd7a970, >= c37f3c2749b53225d36faa5c583203c5f12ae15b < 8822980668c96b5aa251c1e2daec1873262b8f3f, >= c37f3c2749b53225d36faa5c583203c5f12ae15b < d50ef3553acbacce6f2843304d41d06dca358bb6, >= c37f3c2749b53225d36faa5c583203c5f12ae15b < 0e8e57f9737ea257634db1d152fc430a0788a3e1, >= c37f3c2749b53225d36faa5c583203c5f12ae15b < 9d72732fe70c11424bc90ed466c7ccfa58b42a9a, >= 3.1, >= 3.1 < 5.10.258, >= 5.11 < 5.15.209, >= 5.16 < 6.1.175, >= 6.2 < 6.6.140, >= 6.7 < 6.12.88, >= 6.13 < 6.18.30, >= 6.19 < 7.0.7
Fixed versions
5.10.258, 5.15.209, 6.1.175, 6.6.140, 6.12.88, 6.18.30, 7.0.7

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Linux Linux, linux kernel and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-416
CVE-2026-46301 — Linux Linux, linux kernel | SECUFOCUS NOW