cve-2021-46932
Vulnerability from cvelistv5
Published
2024-02-27 09:44
Modified
2024-11-04 11:56
Severity ?
Summary
Input: appletouch - initialize work before device registration
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/292d2ac61fb0d9276a0f7b7ce4f50426f2a1c99fPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/975774ea7528b489930b76a77ffc4d5379b95ff2Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9f329d0d6c91142cf0ad08d23c72dd195db2633cPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9f3ccdc3f6ef10084ceb3a47df0961bec6196fd0Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a02e1404e27855089d2b0a0acc4652c2ce65fe46Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d1962f263a176f493400b8f91bfbf2bfedce951ePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d2cb2bf39a6d17ef4bdc0e59c1a35cf5751ad8f4Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e79ff8c68acb1eddf709d3ac84716868f2a91012Patch
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website

To clipboard 

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This warning is caused by\\nwork-\u003efunc == NULL, which means missing work initialization.\\n\\nThis may happen, since input_dev-\u003eclose() calls\\ncancel_work_sync(\u0026dev-\u003ework), but dev-\u003ework initalization happens _after_\\ninput_register_device() call.\\n\\nSo this patch moves dev-\u003ework initialization before registering input\\ndevice\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: Entrada: appletouch: inicializa el trabajo antes del registro del dispositivo Syzbot ha informado una advertencia en __flush_work(). Esta advertencia es causada por work-\u0026gt;func == NULL, lo que significa que falta la inicializaci\u00f3n del trabajo. Esto puede suceder, ya que input_dev-\u0026gt;close() llama a cancel_work_sync(\u0026amp;dev-\u0026gt;work), pero la inicializaci\u00f3n dev-\u0026gt;work ocurre _despu\u00e9s_ de la llamada input_register_device(). 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