CVE-2025-23146: debian linux Null Dereference — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: mfd: ene-kb3930: Fix a potential NULL pointer dereference The off_gpios could be NULL. Add missing check in the kb3930_probe(). This is similar to the issue fixed in commit b1ba8bcb2d1f ("backlight: hx8357: Fix potential NULL pointer dereference"). This was detected by our static analysis tool.

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CVSS v3.1 Score

5.5

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-476 CWE-476

Affected Products

Vendor	Product	Versions
linux	linux_kernel	5.10 — 5.10.237
linux	linux_kernel	5.11 — 5.15.181
linux	linux_kernel	5.16 — 6.1.135
linux	linux_kernel	6.2 — 6.6.88
linux	linux_kernel	6.7 — 6.12.24
linux	linux_kernel	6.13 — 6.13.12
linux	linux_kernel	6.14 — 6.14.3
debian	debian_linux	All

References

Advisories & Patches

https://git.kernel.org/stable/c/2edb5b29b197d90b4d08cd45e911c0bcf24cb895 https://git.kernel.org/stable/c/4cdf1d2a816a93fa02f7b6b5492dc7f55af2a199 https://git.kernel.org/stable/c/6dc88993ee3fa8365ff6a5d6514702f70ba6863a https://git.kernel.org/stable/c/76d0f4199bc5b51acb7b96c6663a8953543733ad https://git.kernel.org/stable/c/7b47df6498f223c8956bfe0d994a0e42a520dfcd https://git.kernel.org/stable/c/90ee23c2514a22a9c2bb39a540cbe1c9acb27d0b https://git.kernel.org/stable/c/b1758417310d2cc77e52cd15103497e52e2614f6 https://git.kernel.org/stable/c/ea07760676bba49319d553af80c239da053b5fb1

Other References

https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html

Frequently Asked Questions

What is CVE-2025-23146? +

In the Linux kernel, the following vulnerability has been resolved: mfd: ene-kb3930: Fix a potential NULL pointer dereference The off_gpios could be NULL. Add missing check in the kb3930_probe(). This is similar to the issue fixed in commit b1ba8bcb2d1f ("backlight: hx8357: Fix potential NULL pointer dereference"). This was detected by our static analysis tool. It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2025-23146? +

CVE-2025-23146 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-23146? +

CVE-2025-23146 affects products from debian, linux, specifically: debian_linux, linux_kernel. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-23146? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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