What’s Vulnerable › Vulnerabilities

CVE-2025-68754: rtc: amlogic-a4: fix double free caused by devm

• Severity: unknown
• 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: 2026-01-05 · updated 2026-10-14

Description

In the Linux kernel, the following vulnerability has been resolved: rtc: amlogic-a4: fix double free caused by devm The clock obtained via devm_clk_get_enabled() is automatically managed by devres and will be disabled and freed on driver detach. Manually calling clk_disable_unprepare() in error path and remove function causes double free. Remove the redundant clk_disable_unprepare() calls from the probe error path and aml_rtc_remove(), allowing the devm framework to automatically manage the clock lifecycle.

Affected products

• Linux kernel: 6.13 — fixed in 6.19

How to fix

Upgrade to a fixed version: Linux kernel 6.19. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/2e1c79299036614ac32b251d145fad5391f4bcab
• https://git.kernel.org/stable/c/384150d7a5b60c1086790a8ee07b0629f906cca2
• https://git.kernel.org/stable/c/9fed02c16488050cd4e33e045506336b216d7301

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