CVE-2026-46277

HIGH

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

Title source: cna
STIX 2.1

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().

Scores

CVSS v3 7.8
EPSS 0.0012
EPSS Percentile 2.2%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

Status published
Products (9)
linux/Kernel 6.19.0 - 7.0.4linux
Linux/Linux < 6.19
Linux/Linux 6.19
Linux/Linux 7.0.4 - 7.0.*
Linux/Linux 7.1
Linux/Linux 7.1-rc1
Linux/Linux d245f9b4ab806733a77e51a218ca7b8bc3135cd9 - 39928984956037cabd304321cb8f342e47421db5
Linux/Linux d245f9b4ab806733a77e51a218ca7b8bc3135cd9 - 85be0a262e39c706edb53c88af8afde2e98222ba
linux/linux_kernel 6.19 - 7.0.4
Published Jun 08, 2026
Tracked Since Jun 08, 2026