CVE-2026-46296
Severity CVSS v4.0:
Pending analysis
Type:
CWE-476
NULL Pointer Dereference
Publication date:
08/06/2026
Last modified:
08/07/2026
Description
In the Linux kernel, the following vulnerability has been resolved:<br />
<br />
spi: s3c64xx: fix NULL-deref on driver unbind<br />
<br />
A change moving DMA channel allocation from probe() back to<br />
s3c64xx_spi_prepare_transfer() failed to remove the corresponding<br />
deallocation from remove().<br />
<br />
Drop the bogus DMA channel release from remove() to avoid triggering a<br />
NULL-pointer dereference on driver unbind.<br />
<br />
This issue was flagged by Sashiko when reviewing a controller<br />
deregistration fix.
Impact
Base Score 3.x
5.50
Severity 3.x
MEDIUM
Vulnerable products and versions
| CPE | From | Up to |
|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 6.0 (including) | 6.1.176 (excluding) |
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 6.2 (including) | 6.6.140 (excluding) |
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 6.7 (including) | 6.12.88 (excluding) |
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 6.13 (including) | 6.18.30 (excluding) |
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 6.19 (including) | 7.0.7 (excluding) |
To consult the complete list of CPE names with products and versions, see this page
References to Advisories, Solutions, and Tools
- https://git.kernel.org/stable/c/1108b8722b9ff0cdd3e8aa18d98244fcd93b6760
- https://git.kernel.org/stable/c/1b66f16a571a10ba8889ac471755c8af9c5b9266
- https://git.kernel.org/stable/c/22788b1a8611380b141e09a8896702e32d164238
- https://git.kernel.org/stable/c/29e219a18e21258bdb4ee12cecd0e9ec87d7e6a7
- https://git.kernel.org/stable/c/323a258f4b1916b5a3098618e036e033b2f2317f
- https://git.kernel.org/stable/c/45daacbead8a009844bd5dba6cfa731332184d17



