CVE-2026-46301
spi: topcliff-pch: fix use-after-free on unbind
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
INFO
Published Date :
June 8, 2026, 5:16 p.m.
Last Modified :
July 23, 2026, 8:10 a.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | [email protected] |
Solution
- Update the Linux kernel to include the fix.
- Ensure DMA buffers are flushed on driver unbind.
- Test the driver for proper unbind behavior.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-46301.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-46301 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-46301
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-46301 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-46301 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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CVE Translated by [email protected]
Jul. 23, 2026
Action Type Old Value New Value Added Translation Title: Linux, Description: En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta: spi: topcliff-pch: corrección de uso después de liberación al desvincular Dar al controlador una oportunidad de vaciar su cola antes de liberar los búferes DMA al desvincular el controlador. -
Initial Analysis by [email protected]
Jul. 08, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-416 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.13 up to (excluding) 6.18.30 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 6.1.175 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.209 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.19 up to (excluding) 7.0.7 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.7 up to (excluding) 6.12.88 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.6.140 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 3.1 up to (excluding) 5.10.258 Added Reference Type kernel.org: https://git.kernel.org/stable/c/0e8e57f9737ea257634db1d152fc430a0788a3e1 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/36e58c436d2c2a797800427dc04d74ffd8b6ce1c Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/43334836b907adc21eab3079d2e6b26754468786 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/4ca90deeca1c7dd72c1c380ba8143565516def2d Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/8822980668c96b5aa251c1e2daec1873262b8f3f Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/9d72732fe70c11424bc90ed466c7ccfa58b42a9a Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/d50ef3553acbacce6f2843304d41d06dca358bb6 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/d79e92161b65832e0b8cad5f3d84d17e5cd7a970 Types: Patch -
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Jun. 17, 2026
Action Type Old Value New Value Added Affected [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': 'c37f3c2749b53225d36faa5c583203c5f12ae15b', 'lessThan': '43334836b907adc21eab3079d2e6b26754468786', 'versionType': 'git'}, {'status': 'affected', 'version': 'c37f3c2749b53225d36faa5c583203c5f12ae15b', 'lessThan': '36e58c436d2c2a797800427dc04d74ffd8b6ce1c', 'versionType': 'git'}, {'status': 'affected', 'version': 'c37f3c2749b53225d36faa5c583203c5f12ae15b', 'lessThan': '4ca90deeca1c7dd72c1c380ba8143565516def2d', 'versionType': 'git'}, {'status': 'affected', 'version': 'c37f3c2749b53225d36faa5c583203c5f12ae15b', 'lessThan': 'd79e92161b65832e0b8cad5f3d84d17e5cd7a970', 'versionType': 'git'}, {'status': 'affected', 'version': 'c37f3c2749b53225d36faa5c583203c5f12ae15b', 'lessThan': '8822980668c96b5aa251c1e2daec1873262b8f3f', 'versionType': 'git'}, {'status': 'affected', 'version': 'c37f3c2749b53225d36faa5c583203c5f12ae15b', 'lessThan': 'd50ef3553acbacce6f2843304d41d06dca358bb6', 'versionType': 'git'}, {'status': 'affected', 'version': 'c37f3c2749b53225d36faa5c583203c5f12ae15b', 'lessThan': '0e8e57f9737ea257634db1d152fc430a0788a3e1', 'versionType': 'git'}, {'status': 'affected', 'version': 'c37f3c2749b53225d36faa5c583203c5f12ae15b', 'lessThan': '9d72732fe70c11424bc90ed466c7ccfa58b42a9a', 'versionType': 'git'}], 'programFiles': ['drivers/spi/spi-topcliff-pch.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '3.1'}, {'status': 'unaffected', 'version': '0', 'lessThan': '3.1', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '5.10.258', 'versionType': 'semver', 'lessThanOrEqual': '5.10.*'}, {'status': 'unaffected', 'version': '5.15.209', 'versionType': 'semver', 'lessThanOrEqual': '5.15.*'}, {'status': 'unaffected', 'version': '6.1.175', 'versionType': 'semver', 'lessThanOrEqual': '6.1.*'}, {'status': 'unaffected', 'version': '6.6.140', 'versionType': 'semver', 'lessThanOrEqual': '6.6.*'}, {'status': 'unaffected', 'version': '6.12.88', 'versionType': 'semver', 'lessThanOrEqual': '6.12.*'}, {'status': 'unaffected', 'version': '6.18.30', 'versionType': 'semver', 'lessThanOrEqual': '6.18.*'}, {'status': 'unaffected', 'version': '7.0.7', 'versionType': 'semver', 'lessThanOrEqual': '7.0.*'}, {'status': 'unaffected', 'version': '7.1', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['drivers/spi/spi-topcliff-pch.c'], 'defaultStatus': 'affected'}] -
New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Jun. 08, 2026
Action Type Old Value New Value Added 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 Added Reference https://git.kernel.org/stable/c/0e8e57f9737ea257634db1d152fc430a0788a3e1 Added Reference https://git.kernel.org/stable/c/36e58c436d2c2a797800427dc04d74ffd8b6ce1c Added Reference https://git.kernel.org/stable/c/43334836b907adc21eab3079d2e6b26754468786 Added Reference https://git.kernel.org/stable/c/4ca90deeca1c7dd72c1c380ba8143565516def2d Added Reference https://git.kernel.org/stable/c/8822980668c96b5aa251c1e2daec1873262b8f3f Added Reference https://git.kernel.org/stable/c/9d72732fe70c11424bc90ed466c7ccfa58b42a9a Added Reference https://git.kernel.org/stable/c/d50ef3553acbacce6f2843304d41d06dca358bb6 Added Reference https://git.kernel.org/stable/c/d79e92161b65832e0b8cad5f3d84d17e5cd7a970