CVE-2024-42090 (GCVE-0-2024-42090)
Vulnerability from cvelistv5
Published
2024-07-29 16:26
Modified
2025-11-03 22:01
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: pinctrl: fix deadlock in create_pinctrl() when handling -EPROBE_DEFER In create_pinctrl(), pinctrl_maps_mutex is acquired before calling add_setting(). If add_setting() returns -EPROBE_DEFER, create_pinctrl() calls pinctrl_free(). However, pinctrl_free() attempts to acquire pinctrl_maps_mutex, which is already held by create_pinctrl(), leading to a potential deadlock. This patch resolves the issue by releasing pinctrl_maps_mutex before calling pinctrl_free(), preventing the deadlock. This bug was discovered and resolved using Coverity Static Analysis Security Testing (SAST) by Synopsys, Inc.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67 https://git.kernel.org/stable/c/01fe2f885f7813f8aed5d3704b384a97b1116a9e Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67 https://git.kernel.org/stable/c/4038c57bf61631219b31f1bd6e92106ec7f084dc Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67 https://git.kernel.org/stable/c/420ce1261907e5dbeda1e4daffd5b6c76f8188c0 Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67 https://git.kernel.org/stable/c/48a7a7c9571c3e62f17012dd7f2063e926179ddd Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67 https://git.kernel.org/stable/c/adec57ff8e66aee632f3dd1f93787c13d112b7a1 Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67 https://git.kernel.org/stable/c/b36efd2e3e22a329444b6b24fa48df6d20ae66e6 Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67 https://git.kernel.org/stable/c/b813e3fd102a959c5b208ed68afe27e0137a561b Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67 https://git.kernel.org/stable/c/e65a0dc2e85efb28e182aca50218e8a056d0ce04 Patch
af854a3a-2127-422b-91ae-364da2661108 https://git.kernel.org/stable/c/01fe2f885f7813f8aed5d3704b384a97b1116a9e Patch
af854a3a-2127-422b-91ae-364da2661108 https://git.kernel.org/stable/c/4038c57bf61631219b31f1bd6e92106ec7f084dc Patch
af854a3a-2127-422b-91ae-364da2661108 https://git.kernel.org/stable/c/420ce1261907e5dbeda1e4daffd5b6c76f8188c0 Patch
af854a3a-2127-422b-91ae-364da2661108 https://git.kernel.org/stable/c/48a7a7c9571c3e62f17012dd7f2063e926179ddd Patch
af854a3a-2127-422b-91ae-364da2661108 https://git.kernel.org/stable/c/adec57ff8e66aee632f3dd1f93787c13d112b7a1 Patch
af854a3a-2127-422b-91ae-364da2661108 https://git.kernel.org/stable/c/b36efd2e3e22a329444b6b24fa48df6d20ae66e6 Patch
af854a3a-2127-422b-91ae-364da2661108 https://git.kernel.org/stable/c/b813e3fd102a959c5b208ed68afe27e0137a561b Patch
af854a3a-2127-422b-91ae-364da2661108 https://git.kernel.org/stable/c/e65a0dc2e85efb28e182aca50218e8a056d0ce04 Patch
af854a3a-2127-422b-91ae-364da2661108 https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
Impacted products
Vendor Product Version
Linux Linux Version: 42fed7ba44e4e8c1fb27b28ad14490cb1daff3c7
Version: 42fed7ba44e4e8c1fb27b28ad14490cb1daff3c7
Version: 42fed7ba44e4e8c1fb27b28ad14490cb1daff3c7
Version: 42fed7ba44e4e8c1fb27b28ad14490cb1daff3c7
Version: 42fed7ba44e4e8c1fb27b28ad14490cb1daff3c7
Version: 42fed7ba44e4e8c1fb27b28ad14490cb1daff3c7
Version: 42fed7ba44e4e8c1fb27b28ad14490cb1daff3c7
Version: 42fed7ba44e4e8c1fb27b28ad14490cb1daff3c7
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    "nvd": "{\"cve\":{\"id\":\"CVE-2024-42090\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-07-29T17:15:11.603\",\"lastModified\":\"2025-11-03T22:17:36.723\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"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, 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