CVE-2026-64380: linux kernel from 5.7 (inclusive), before 5.10.261 (exclusive), from 5.11 (inclusive), before 5.15.212 (exclusive)…

Affected technology

linux kernel · from 5.7 (inclusive), before 5.10.261 (exclusive)
linux

linux kernel · from 5.11 (inclusive), before 5.15.212 (exclusive)
linux

linux kernel · from 5.16 (inclusive), before 6.1.178 (exclusive)
linux

linux kernel · from 6.2 (inclusive), before 6.6.145 (exclusive)
linux

linux kernel · from 6.7 (inclusive), before 6.12.96 (exclusive)
linux

linux kernel · from 6.13 (inclusive), before 6.18.39 (exclusive)
linux

linux kernel · from 6.19 (inclusive), before 7.1.4 (exclusive)
linux

linux kernel · 7.2 · update rc1
linux

Linux · 349e13ad30b45998bb9937cfe0b32be6f951976d to before 171605aed68380c2fa75dff9b3a1ed427c50065b, 349e13ad30b45998bb9937cfe0b32be6f951976d to before 4213c1208978483021d7d125c131de3985d38f61, 349e13ad30b45998bb9937cfe0b32be6f951976d to before 96e889bc1e759c83f25093e8c2f3da31b4973f30, 349e13ad30b45998bb9937cfe0b32be6f951976d to before 0de5b8e76847f5de26f364a82c6602c4881c30da, 349e13ad30b45998bb9937cfe0b32be6f951976d to before 427eb7eb46425fec845a43e861f3d6e2899cae59, 349e13ad30b45998bb9937cfe0b32be6f951976d to before 86c5d470f5d42e61123b2f4b4f0b91f4eee5b980, 349e13ad30b45998bb9937cfe0b32be6f951976d to before 46a84715a015cb48e1b9c219dc88c03d8a541ea4, 349e13ad30b45998bb9937cfe0b32be6f951976d to before 7ad2bcf2441430bb2e918fb3ef9a90d775a6e422
Linux

Linux · 5.7
Linux

Component: Not specified by the source
File: fs/smb/client/smb2pdu.c

Attack conditions (Source advisory, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

What an attacker can do

Source advisory’s CVSS 3.1 assessment (base score 8.2/10) rates confidentiality impact as low; integrity impact as none; availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.