CVE-2024-50159 Information

Description

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.

Reference

https://git.kernel.org/stable/c/6d91d07913aee90556362d648d6a28a1eda419dc https://git.kernel.org/stable/c/fb324fdaf546bf14bc4c17e0037bca6cb952b121 https://git.kernel.org/stable/c/39b13dce1a91cdfc3bec9238f9e89094551bd428