CVE-2025-22095: linux kernel — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: PCI: brcmstb: Fix error path after a call to regulator_bulk_get() If the regulator_bulk_get() returns an error and no regulators are created, we need to set their number to zero. If we don't do this and the PCIe link up fails, a call to the regulator_bulk_free() will result in a kernel panic. While at it, print the error value, as we cannot return an error upwards as the kernel will WARN() on an error from add_bus(). [kwilczynski: commit log, use comma in the message to match style with other similar messages]

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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

Affected Products

Vendor	Product	Versions
linux	linux_kernel	6.0 — 6.1.134
linux	linux_kernel	6.2 — 6.6.87
linux	linux_kernel	6.7 — 6.12.23
linux	linux_kernel	6.13 — 6.13.11
linux	linux_kernel	6.14 — 6.14.2

References

Advisories & Patches

https://git.kernel.org/stable/c/3651ad5249c51cf7eee078e12612557040a6bdb4 https://git.kernel.org/stable/c/6f44e1fdb006db61394aa4d4c25728ada00842e7 https://git.kernel.org/stable/c/7842e842a9bf6bd5866c84f588353711d131ab1a https://git.kernel.org/stable/c/99a0efba9f903acbdece548862b6b4cbe7d999e1 https://git.kernel.org/stable/c/df63321a40cc98e52313cffbff376b8ae9ceffa7 https://git.kernel.org/stable/c/eedd054834930b8d678f0776cd4b091b8fffbb4a

Other References

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

Frequently Asked Questions

What is CVE-2025-22095? +

In the Linux kernel, the following vulnerability has been resolved: PCI: brcmstb: Fix error path after a call to regulator_bulk_get() If the regulator_bulk_get() returns an error and no regulators are created, we need to set their number to zero. If we don't do this and the PCIe link up fails, a call to the regulator_bulk_free() will result in a kernel panic. While at it, print the error value, as we cannot return an error upwards as the kernel will WARN() on an error from add_bus(). [kwilczynski: commit log, use comma in the message to match style with other similar messages] It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2025-22095? +

CVE-2025-22095 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-2025-22095? +

CVE-2025-22095 affects products from linux, specifically: linux_kernel. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-22095? +

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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