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CVE-2026-68424mtd: virt_concat: fix use-after-free in mtd_virt_concat_destroy_joins()

Description

In the Linux kernel, the following vulnerability has been resolved: mtd: virt_concat: fix use-after-free in mtd_virt_concat_destroy_joins() mtd_concat_destroy() frees item->concat so calling mtd_virt_concat_put_mtd_devices(item->concat) leads to a use after free. Fix this by moving mtd_virt_concat_put_mtd_devices() before mtd_concat_destroy()

Timeline

  1. ID reserved

    By Linux

  2. · 11 days later

    Published

  3. · 7 days later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

No CVSS score yet: neither the CNA, CISA nor NVD has scored this CVE. NVD status: Received.

EPSS (exploitation in 30 days)
0.20% · top 90% of all CVEs (14 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Not scored.

Affected products

  • Linux · Linux

    • affected 43db6366fc2de02050e66389f5628d3fdc9af10a – < 4d91d783f93430c0efa834daff6640c07d87ebbc
    • affected 43db6366fc2de02050e66389f5628d3fdc9af10a – < 75c0c09541b49daa08fddbc2c18c2232f4eab7d8

  • Linux · Linux

    • affected 7.1
    • unaffected < 7.1
    • unaffected 7.1.6 – ≤ 7.1.*
    • unaffected 7.2 – ≤ *

References

References2

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .