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CVE-2024-36932 Detail


In the Linux kernel, the following vulnerability has been resolved: thermal/debugfs: Prevent use-after-free from occurring after cdev removal Since thermal_debug_cdev_remove() does not run under cdev->lock, it can run in parallel with thermal_debug_cdev_state_update() and it may free the struct thermal_debugfs object used by the latter after it has been checked against NULL. If that happens, thermal_debug_cdev_state_update() will access memory that has been freed already causing the kernel to crash. Address this by using cdev->lock in thermal_debug_cdev_remove() around the cdev->debugfs value check (in case the same cdev is removed at the same time in two different threads) and its reset to NULL. Cc :6.8+ <stable@vger.kernel.org> # 6.8+


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CVSS 4.0 Severity and Vector Strings:

NVD assessment not yet provided.

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Hyperlink Resource
https://git.kernel.org/stable/c/c1279dee33369e2525f532364bb87207d23b9481 Patch 
https://git.kernel.org/stable/c/d351eb0ab04c3e8109895fc33250cebbce9c11da Patch 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-416 Use After Free cwe source acceptance level NIST  

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Change History

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Quick Info

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