CVE-2026-64379: linux kernel from 5.4 (inclusive), before 5.10.261 (exclusive), from 5.11 (inclusive), before 5.15.212 (exclusive)…

Affected technology

linux kernel · from 5.4 (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 kernel · 7.2 · update rc2
linux

Linux · e2f8fbfb8d09c06decde162090fac3ee220aa280 to before 5f6f2241034f189c69d4d0b5f8fe24a0c25b0c14, e2f8fbfb8d09c06decde162090fac3ee220aa280 to before ee2216dbdf0c677e89bb43e03247dba590ed00ef, e2f8fbfb8d09c06decde162090fac3ee220aa280 to before f511807feee7cb29b61bdfa86472c7e9e2e5df94, e2f8fbfb8d09c06decde162090fac3ee220aa280 to before 08c600b7e1818539ba5efee4cdb06215c245ca78, e2f8fbfb8d09c06decde162090fac3ee220aa280 to before b84e002e0df26bbc6cbd3ca01b8212601fe0ae7d, e2f8fbfb8d09c06decde162090fac3ee220aa280 to before c6c484a7d5bff6b929a86d7ed5130f29834c6a0d, e2f8fbfb8d09c06decde162090fac3ee220aa280 to before f80add1bfb3425100a325b14f19648e75669a954, e2f8fbfb8d09c06decde162090fac3ee220aa280 to before e3d9c7160d483fc8f9e225aafad8ecbbc43f3151
Linux

Linux · 5.4
Linux

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

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

What an attacker can do

Source advisory’s CVSS 3.1 assessment (base score 7.1/10) rates confidentiality impact as none; integrity impact as low; availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.