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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.
Exploitability
AV:LAC:LPR:LUI:NScope
S:UImpact
C:HI:HA:H7.8/CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H