CVE-2026-90422: Linux

Описание

Оригинално описание

In the Linux kernel, the following vulnerability has been resolved: clk: mediatek: pllfh: Fix IO remapping leak in register_pllfhs error path When mtk_clk_register_pllfhs function fails to register a PLL, it unregisters all PLLs and cleans up itself in its error path before returning, so the function callers don't need to do it. But contrary to mtk_clk_unregister_pllfhs function, that does almost the same sequence, it does not free the IO memory mapped on fhctl node, leading to a leak. Fix this leak by factorizing the cleanup sequence in a new private function and use it both mtk_clk_register_pllfhs and mtk_clk_unregister_pllfhs functions. Also, change the loop index start value to avoid the -1 operation on index at each loop.

Засегнати продукти

• Linux Linux: d7964de8a8ea800910fdd4e365c42a9e7d5c54aa преди 6e3e93bc718c4fea556d7ca5fba07ab3511c9918; d7964de8a8ea800910fdd4e365c42a9e7d5c54aa преди 111235106099019b8a8d1947dc5c2674e0329ffa; d7964de8a8ea800910fdd4e365c42a9e7d5c54aa преди d35e45e5bad4fabcf122126402b6c6dcb4379672; d7964de8a8ea800910fdd4e365c42a9e7d5c54aa преди fea0b4fd891a2af77b55e05b950e7ea55b5d234e; d7964de8a8ea800910fdd4e365c42a9e7d5c54aa преди 540d91480bcb1b28a62d7023aa70947ea44c55b9
• Linux Linux: 6.2; преди 6.2; 6.6.160 до 6.6.*; 6.12.114 до 6.12.*; 6.18.52 до 6.18.*; 7.2.6 до 7.2.*; 7.3 до *

История

Други уязвимости в Linux Linux

• 8.1CVE-2026-99270
• 7.8CVE-2026-99269
• CVE-2026-99268
• CVE-2026-99266
• CVE-2026-99267

Първоизточници

• https://www.cve.org/CVERecord?id=CVE-2026-90422
• https://nvd.nist.gov/vuln/detail/CVE-2026-90422
• https://git.kernel.org/stable/c/6e3e93bc718c4fea556d7ca5fba07ab3511c9918
• https://git.kernel.org/stable/c/111235106099019b8a8d1947dc5c2674e0329ffa
• https://git.kernel.org/stable/c/d35e45e5bad4fabcf122126402b6c6dcb4379672
• https://git.kernel.org/stable/c/fea0b4fd891a2af77b55e05b950e7ea55b5d234e
• https://git.kernel.org/stable/c/540d91480bcb1b28a62d7023aa70947ea44c55b9