← CVE Intelligence

CVE-2026-46277

mm/zone_device: do not touch device folio after calling ->folio_free() PUBLISHED

Description (CNA)

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().

Affected (CNA)

Vendor / productVersions
Linux / Linuxaffected d245f9b4ab806733a77e51a218ca7b8bc3135cd9 before 85be0a262e39c706edb53c88af8afde2e98222ba; affected d245f9b4ab806733a77e51a218ca7b8bc3135cd9 before 39928984956037cabd304321cb8f342e47421db5
Linux / Linuxaffected 6.19; unaffected 0 before 6.19; unaffected 7.0.4 through 7.0.*; unaffected 7.1 through *

CWE

No CWE identifiers supplied.

References