CVE-2026-93215
Unknown
Description
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.
SeverityUnknown
CVSS—
Exploit probability—
Product
Linux
PublishedSep 24, 2026
First seenSep 24, 2026
How to fix
Update
- Linux Linux88f4cd42a04bdadd189d7f667a4c279f4e962ca6, 4cd24873ab9fdbd730604881a6e8087bc7b99336, 7e9451bf0bdba6daee1eaf4e7566612af6ca1c32, 6f4acc3a3c300e174e3f586b97b04ed8f5948c36 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | aeda33ab8160c7a2e24ba4f44492ad1e974ddc7d ≤ v < 88f4cd42a04bdadd189d7f667a4c279f4e962ca6, aeda33ab8160c7a2e24ba4f44492ad1e974ddc7d ≤ v < 4cd24873ab9fdbd730604881a6e8087bc7b99336, aeda33ab8160c7a2e24ba4f44492ad1e974ddc7d ≤ v < 7e9451bf0bdba6daee1eaf4e7566612af6ca1c32, aeda33ab8160c7a2e24ba4f44492ad1e974ddc7d ≤ v < 6f4acc3a3c300e174e3f586b97b04ed8f5948c36, 6.8 | 88f4cd42a04bdadd189d7f667a4c279f4e962ca6, 4cd24873ab9fdbd730604881a6e8087bc7b99336, 7e9451bf0bdba6daee1eaf4e7566612af6ca1c32, 6f4acc3a3c300e174e3f586b97b04ed8f5948c36 |
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