CVE-2024-50159: firmware: arm_scmi: Fix the double free in scmi_debugfs_common_setup()

First published: Thu Nov 07 2024(Updated: )

In the Linux kernel, the following vulnerability has been resolved: firmware: arm_scmi: Fix the double free in scmi_debugfs_common_setup() Clang static checker(scan-build) throws below warning： | drivers/firmware/arm_scmi/driver.c:line 2915, column 2 | Attempt to free released memory. When devm_add_action_or_reset() fails, scmi_debugfs_common_cleanup() will run twice which causes double free of 'dbg->name'. Remove the redundant scmi_debugfs_common_cleanup() to fix this problem.

Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

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