What’s Vulnerable › Vulnerabilities

CVE-2022-50110: watchdog: sp5100_tco: Fix a memory leak of EFCH MMIO resource

• 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: 2025-06-18 · updated 2026-06-17
• Weakness: CWE-401

Description

In the Linux kernel, the following vulnerability has been resolved: watchdog: sp5100_tco: Fix a memory leak of EFCH MMIO resource Unlike release_mem_region(), a call to release_resource() does not free the resource, so it has to be freed explicitly to avoid a memory leak.

Affected products

• Linux kernel: from 5.15.42 before 5.15.61; from 5.17.10 before 5.18.18; from 5.19 before 5.19.2 — fixed in 5.15.61, 5.18.18, 5.19.2

How to fix

Upgrade to a fixed version: Linux kernel 5.15.61, 5.18.18, 5.19.2. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/3a1becb1f13268ef58f19190608a7c742fb6fcf5
• https://git.kernel.org/stable/c/84ddf527f90755beec6b55ce2e31331f5ccd4e37
• https://git.kernel.org/stable/c/c6d9c0798ed366a09a9e53d71edcd2266e34a6eb
• https://git.kernel.org/stable/c/ee1fb8f75abe361413913e3a6e93c8c0a4d83cd9

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