What’s Vulnerable › Vulnerabilities

CVE-2026-45875: mfd: arizona: Fix regulator resource leak on wm5102_clear_write_sequencer() failure

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-27 · updated 2026-06-25
• Weakness: CWE-401

Description

In the Linux kernel, the following vulnerability has been resolved: mfd: arizona: Fix regulator resource leak on wm5102_clear_write_sequencer() failure The wm5102_clear_write_sequencer() helper may return an error and just return, bypassing the cleanup sequence and causing regulators to remain enabled, leading to a resource leak. Change the direct return to jump to the err_reset label to properly free the resources.

Affected products

• Linux kernel: from 4.2 before 5.10.252; from 5.11 before 5.15.202; from 5.16 before 6.1.165; from 6.2 before 6.6.128; from 6.7 before 6.12.75; from 6.13 before 6.18.14 — fixed in 5.10.252, 5.15.202, 6.1.165, 6.12.75, 6.18.14, 6.19.4

How to fix

Upgrade to a fixed version: Linux kernel 5.10.252, 5.15.202, 6.1.165, 6.12.75. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/2049820d1e635e467d795237fd40287213d92349
• https://git.kernel.org/stable/c/3ea01691738b0decb63ea2705d2cdf27f6f26fc0
• https://git.kernel.org/stable/c/445cec7b4fbb1546836ae8e332d158e8d37d0fb6
• https://git.kernel.org/stable/c/4feb753ba6e5e5bbaba868b841a2db41c21e56fa
• https://git.kernel.org/stable/c/54eafc1b0dbcf79c5f8b6dc8d9e92e56b9384c0a
• https://git.kernel.org/stable/c/5a4923726a165593d7601834a6fb2a10ab47b85d
• https://git.kernel.org/stable/c/933c5463873582baaecf5c38401ec4095b1c6269
• https://git.kernel.org/stable/c/e0527c09bcf1e6beeb685a7f4177683866b8609c

Get alerted when CVE-2026-45875 or the next vulnerability affects your stack