CVE-2024-42090

{"id": "CVE-2024-42090", "cveTags": [], "metrics": {}, "published": "2024-07-29T17:15:11.603", "references": [{"url": "https://git.kernel.org/stable/c/01fe2f885f7813f8aed5d3704b384a97b1116a9e", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/4038c57bf61631219b31f1bd6e92106ec7f084dc", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/420ce1261907e5dbeda1e4daffd5b6c76f8188c0", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/48a7a7c9571c3e62f17012dd7f2063e926179ddd", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/adec57ff8e66aee632f3dd1f93787c13d112b7a1", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/b36efd2e3e22a329444b6b24fa48df6d20ae66e6", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/b813e3fd102a959c5b208ed68afe27e0137a561b", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/e65a0dc2e85efb28e182aca50218e8a056d0ce04", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Awaiting Analysis", "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\npinctrl: fix deadlock in create_pinctrl() when handling -EPROBE_DEFER\n\nIn create_pinctrl(), pinctrl_maps_mutex is acquired before calling\nadd_setting(). If add_setting() returns -EPROBE_DEFER, create_pinctrl()\ncalls pinctrl_free(). However, pinctrl_free() attempts to acquire\npinctrl_maps_mutex, which is already held by create_pinctrl(), leading to\na potential deadlock.\n\nThis patch resolves the issue by releasing pinctrl_maps_mutex before\ncalling pinctrl_free(), preventing the deadlock.\n\nThis bug was discovered and resolved using Coverity Static Analysis\nSecurity Testing (SAST) by Synopsys, Inc."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: pinctrl: soluciona el punto muerto en create_pinctrl() al manejar -EPROBE_DEFER En create_pinctrl(), pinctrl_maps_mutex se adquiere antes de llamar a add_setting(). Si add_setting() devuelve -EPROBE_DEFER, create_pinctrl() llama a pinctrl_free(). Sin embargo, pinctrl_free() intenta adquirir pinctrl_maps_mutex, que ya est\u00e1 en manos de create_pinctrl(), lo que lleva a un posible punto muerto. Este parche resuelve el problema liberando pinctrl_maps_mutex antes de llamar a pinctrl_free(), evitando el punto muerto. Este error fue descubierto y resuelto utilizando Coverity Static Analysis Security Testing (SAST) por Synopsys, Inc."}], "lastModified": "2024-07-30T13:33:30.653", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}