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
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | >=6.3<6.6.59 | |
| Linux Kernel | >=6.7<6.11.6 | |
| Linux Kernel | =6.12-rc1 | |
| Linux Kernel | =6.12-rc2 | |
| Linux Kernel | =6.12-rc3 | |
| debian/linux | 5.10.223-1 5.10.234-1 6.1.129-1 6.1.128-1 6.12.21-1 |
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Reference Links
- https://git.kernel.org/stable/c/6d91d07913aee90556362d648d6a28a1eda419dc
- https://git.kernel.org/stable/c/fb324fdaf546bf14bc4c17e0037bca6cb952b121
- https://git.kernel.org/stable/c/39b13dce1a91cdfc3bec9238f9e89094551bd428
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-50159
- https://nvd.nist.gov/vuln/detail/CVE-2024-50159
- https://launchpad.net/bugs/cve/CVE-2024-50159
- https://security-tracker.debian.org/tracker/CVE-2024-50159
- https://ubuntu.com/security/CVE-2024-50159
- https://git.kernel.org/linus/39b13dce1a91cdfc3bec9238f9e89094551bd428
Frequently Asked Questions
What is the severity of CVE-2024-50159?
CVE-2024-50159 is a medium severity vulnerability in the Linux kernel due to a double free issue.
How do I fix CVE-2024-50159?
To fix CVE-2024-50159, you should upgrade to a patched version of the Linux kernel that addresses this vulnerability.
Which versions of the Linux kernel are affected by CVE-2024-50159?
CVE-2024-50159 affects versions of the Linux kernel from 6.3 to 6.6.59 and 6.7 to 6.11.6, as well as the release candidates 6.12-rc1, 6.12-rc2, and 6.12-rc3.
What components are impacted by CVE-2024-50159?
CVE-2024-50159 impacts the firmware component related to arm_scmi in the Linux kernel.
Is CVE-2024-50159 exploitable remotely?
There is no evidence that CVE-2024-50159 is remotely exploitable; it requires local access to trigger the vulnerability.
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