Linux taprio driver Use-After-Free fix via RCU read-side critical section

From this webpage screenshot, we can extract the following key information about the vulnerability: 1. Vulnerability Description: - The vulnerability exists in the function. - This function is located in the file . - The vulnerability arises because the function does not use an RCU read-side critical section, leading to a potential use-after-free issue. 2. Trigger Conditions: - The vulnerability is triggered on ARM64 systems, particularly on systems with KASAN (Kernel Address Space Layout Randomization) enabled. - The vulnerability occurs when reads a 4-byte memory block at address . 3. Mitigation Measures: - Fixed the use-after-free issue in the function. - Fixed the use-after-free issue in the function. - Fixed the use-after-free issue in the function. 4. Fix Code: - The fix is located in the file . - The fix includes adding an RCU read-side critical section in the function. 5. Fix Scope: - The fix has been applied to Linux kernel versions 6.1.0-rc1 and 6.1.0-rc2. 6. Authors and Contributors: - The fix was submitted by Dmitry Antipov. - The fix was reviewed and signed off by Vinicius Costa Gomes, Paolo Abeni, Lee Jones, and Greg Kroah-Hartman. 7. Related Links: - Original commit link for the fix. - Patch link for the fix. - KASAN error log link for the fix. This information helps us understand the trigger conditions, mitigation measures, and scope of the fix, enabling better assessment and handling of similar security issues.

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Linux taprio driver Use-After-Free fix via RCU read-side critical section