CVE-2026-68424
CVE-2026-68424: 1 tracked advisory record across Red Hat. Compare vendor sources.
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Red Hat
1 advisory- Advisory severityMedium5.5
Medium [CVE-2026-68424] fix use-after-free in mtd_virt_concat_destroy_joins
CVE-2026-68424Source published Source updated
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. A flaw was found in the Linux kernel's `mtd_virt_concat` module. This use-after-free vulnerability occurs when the `mtd_concat_destroy()` function frees memory before it is no longer referenced by `mtd_virt_concat_put_mtd_devices()`. An attacker could potentially exploit this flaw to cause memory corruption, which may lead to a denial of service or other impacts on system stability. This issue affects virtual MTD concat join devices. Same UAF pattern as CVE-2026-68423 in destroy_joins path. Systems not using virt_concat MTD are…
- Affected products in this advisory
- No product details extracted. Check the source bulletin.
- Source-reported affected versions
- Affected-version details not available in this record.
- Source-reported fixed versions
- No fixed-version detail extracted. This does not mean no fix exists.
- Mitigation guidance
- No mitigation guidance extracted; consult the source.
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