CVE-2026-68423
Unknown
Description
In the Linux kernel, the following vulnerability has been resolved: mtd: virt_concat: fix use-after-free in mtd_virt_concat_destroy() mtd_concat_destroy() frees item->concat so calling mtd_virt_concat_put_mtd_devices(item->concat) after that leads to a use-after-free. Fix it by moving mtd_virt_concat_put_mtd_devices() before mtd_concat_destroy().
SeverityUnknown
CVSS—
Exploit probability—
Product
Linux
PublishedAug 10, 2026
First seenAug 10, 2026
How to fix
Update
- Linux Linuxd36520e5da8bf87265b334def0daaadf3603cc62, 4b45d7836b9526b8776af5f29219615be9417230 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | 43db6366fc2de02050e66389f5628d3fdc9af10a ≤ v < d36520e5da8bf87265b334def0daaadf3603cc62, 43db6366fc2de02050e66389f5628d3fdc9af10a ≤ v < 4b45d7836b9526b8776af5f29219615be9417230, 7.1 | d36520e5da8bf87265b334def0daaadf3603cc62, 4b45d7836b9526b8776af5f29219615be9417230 |
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