What’s Vulnerable › Vulnerabilities

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

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-11-07 · updated 2026-08-04
• Weakness: CWE-415

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.

Affected products

• Linux kernel: from 6.3 before 6.6.59; from 6.7 before 6.11.6; 6.12-rc1, 6.12-rc2, 6.12-rc3 — fixed in 6.11.6, 6.6.59

How to fix

Upgrade to a fixed version: Linux kernel 6.11.6, 6.6.59. Check the vendor advisory for mitigations.

References

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

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