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cve/2024/CVE-2024-42090.md
0xMarcio e1800aedb5 Update CVE sources 2024-08-26 18:34
2024-08-26 18:34:01 +00:00

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CVE-2024-42090

Description

In the Linux kernel, the following vulnerability has been resolved:pinctrl: fix deadlock in create_pinctrl() when handling -EPROBE_DEFERIn create_pinctrl(), pinctrl_maps_mutex is acquired before callingadd_setting(). If add_setting() returns -EPROBE_DEFER, create_pinctrl()calls pinctrl_free(). However, pinctrl_free() attempts to acquirepinctrl_maps_mutex, which is already held by create_pinctrl(), leading toa potential deadlock.This patch resolves the issue by releasing pinctrl_maps_mutex beforecalling pinctrl_free(), preventing the deadlock.This bug was discovered and resolved using Coverity Static AnalysisSecurity Testing (SAST) by Synopsys, Inc.

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