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CVE Watch23 jul 2026

CVE-2026-46277

In the Linux kernel, the following vulnerability has been resolved: mm/zone_device: do not touch device folio after calling ->folio_free()

CVSS

7.8

Alto

EPSS

0.1%

p2

KEV

—

Exploit Today

1

0-100

Publicado: 8 jun 2026 · Última mod.: 23 jul 2026

EPSS · 30d
0.1%EPSS · 30 días0.2%
2026-10-052026-11-02
Descripción técnica

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().

Referencias oficiales
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