vulntracker.iovulntracker.io
© 2026 vulntracker.io

CVE-2026-68423

mtd: virt_concat: fix use-after-free in mtd_virt_concat_destroy()

N/A
Published: August 10, 2026 at 12:04 PM UTC
Updated: August 17, 2026 at 06:17 AM UTC
1 product affected across 1 vendorLinux Kernel

Using Linux by Linux?

Get instant alerts when new vulnerabilities affect Linux - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Start FreeSign In
Severity
N/A
Exploit prediction
EPSS 0.2%

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().

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
95%
7.1 ≤ v < 7.1.67.1 ≤ v < 7.243db6366fc2de02050e66389f5628d3fdc9af10a7.1
Vendor states this is fixed in 4b45d7836b9526b8776af5f29219615be9417230 (fixed)
Vendor states this is fixed in d36520e5da8bf87265b334def0daaadf3603cc62 (fixed)
Vendor states this is fixed in 7.1 (unaffected)
Vendor states this is fixed in 7.1.6 (unaffected)
Vendor states this is fixed in 7.2 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

Source: cverecord
https://git.kernel.org/stable/c/d36520e5da8bf87265b334def0daaadf3603cc62
Source: cverecord
https://git.kernel.org/stable/c/4b45d7836b9526b8776af5f29219615be9417230

Quick Info

StatusRECEIVED

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create accountSign in
Free plan, no card