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
Configurations
Configuration 1 (hide)
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History
No history.
Information
Published : 2024-07-29 17:15
Updated : 2024-11-21 09:33
NVD link : CVE-2024-42090
Mitre link : CVE-2024-42090
CVE.ORG link : CVE-2024-42090
JSON object : View
Products Affected
linux
- linux_kernel
CWE
CWE-667
Improper Locking