cdx: Fix double free when sysfs file creation fails

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In the Linux kernel, the following vulnerability has been resolved: cdx: Fix double free when sysfs file creation fails In cdx_create_res_attr(), if sysfs_create_bin_file() fails, the code frees res_attr but doesn't set cdx_dev->res_attr[num] to NULL. This leaves a dangling pointer in the array. Then cdx_destroy_res_attr() frees the already-freed memory. Fix the double free by initializing cdx_dev->res_attr[num] after sysfs_create_bin_file() completes.

Source published

24 Sep 2026 15:10:37 UTC

Source modified

19 Oct 2026 09:07:27 UTC

Observed here

23 Oct 2026 15:48:27 UTC

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