CVE-2026-68423mtd: virt_concat: fix use-after-free in mtd_virt_concat_destroy()
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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().
- CVSS
- Not yet scored
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Received
- Record last updated
- Aug 17, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Linux Linux linux:linux (from the name) | from 43db6366fc2de02050e66389f5628d3fdc9af10a before d36520e5da8bf87265b334def0daaadf3603cc62; 43db6366fc2de02050e66389f5628d3fdc9af10a builds before 4b45d7836b9526b8776af5f29219615be9417230 | CNA record |
References
- https://git.kernel.org/stable/c/d36520e5da8bf87265b334def0daaadf3603cc62
- https://git.kernel.org/stable/c/4b45d7836b9526b8776af5f29219615be9417230
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.