CVE-2026-90126
CVE CVE-2026-90126EUVD EUVD-2026-81719Published 2026-09-17T16:06:28.000Z
What the advisory describes
In the Linux kernel, the following vulnerability has been resolved: rtc: pcf8563: fix clock provider leak on unbind pcf8563_clkout_register_clk() registers the CLKOUT clock provider with of_clk_add_provider(), but nothing ever unwinds it: there is no of_clk_del_provider() call and the driver has no remove callback. Each of_clk_add_provider() allocates a struct of_clk_provider, takes a reference on the OF node and adds an entry to the global of_clk_providers list, none of which is released when the device is unbound. Every bind/unbind (or module reload) therefore leaks a provider structure and an of_node reference. The clock itself is already device-managed (devm_clk_register()); only the provider registration was not. Use devm_of_clk_add_hw_provider() so the provider is removed automatically on unbind. Tie it to the parent i2c device, whose OF node carries the #clock-cells and clock-output-names properties (the RTC class device has no OF node of its own).
Source: EUVD (ENISA), in the words of the advisory.
Products the advisory names
These come from the advisory itself, not from any check we performed.
- Linux — Linux a39a6405d5f949bc651694028a55d74c514ef1f9 <9c48a53685040bb0de45a640b34055cbbfc69d4f; 4.4; patch: 6.12.110; a39a6405d5f949bc651694028a55d74c514ef1f9 <7afb8db47c4f107bce89cfe5115fb31ba7c94665; patch: 7.3-rc1; patch: 6.18.52; a39a6405d5f949bc651694028a55d74c514ef1f9 <36cb00c33bd83e7ce31b5a9f1f7c70db0cb7776c; a39a6405d5f949bc651694028a55d74c514ef1f9 <97edf3fd9a46ea89a167966991c0449cfa07b36f; patch: 7.2.6; a39a6405d5f949bc651694028a55d74c514ef1f9 <6218c0533a72235ec9c5f41b812c63d963bd4a3e; a39a6405d5f949bc651694028a55d74c514ef1f9 <08a59c28c2bdbcd655e99526c86a41dc83834283; patch: 5.10.270; patch: 5.15.221; patch: 0; a39a6405d5f949bc651694028a55d74c514ef1f9 <2b5622cf4ee218b6f98d31dbf3fbd44b9b6bd675; patch: 6.6.157; a39a6405d5f949bc651694028a55d74c514ef1f9 <30b7c63af50fe1464e7582a37de1ca4bd030ecc1; patch: 6.1.188
The versions shown are the advisory's own. Patchlage compares no version numbers and derives no judgement from them — which version is installed is something a person has to look up.
Carried in the product catalogue
An estate covering these products can be recorded in Patchlage. An advisory about them appears in the next morning's situation report.
- Linux — Linux
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