CVE-2026-46277
High
Description
In the Linux kernel, the following vulnerability has been resolved: mm/zone_device: do not touch device folio after calling ->folio_free() The contents of a device folio can immediately change after calling ->folio_free(), as the folio may be reallocated by a driver with a different order. Instead of touching the folio again to extract the pgmap, use the local stack variable when calling percpu_ref_put_many().
SeverityHigh
CVSS7.8
Exploit probability—
Product
Linux Kernel
PublishedJun 8, 2026
First seenJun 8, 2026
How to fix
Update
- linux linux_kernel7.0.4 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 6.19 ≤ v < 7.0.4 | 7.0.4 |
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