CVE-2026-43366: linux kernel from 5.19 (inclusive), before 6.1.167 (exclusive), from 6.2 (inclusive), before 6.6.130 (exclusive), from…

Affected technology

linux kernel · from 5.19 (inclusive), before 6.1.167 (exclusive)
linux

linux kernel · from 6.2 (inclusive), before 6.6.130 (exclusive)
linux

linux kernel · from 6.7 (inclusive), before 6.12.78 (exclusive)
linux

linux kernel · from 6.13 (inclusive), before 6.18.19 (exclusive)
linux

linux kernel · from 6.19 (inclusive), before 6.19.9 (exclusive)
linux

linux kernel · 7.0 · update rc1
linux

linux kernel · 7.0 · update rc2
linux

linux kernel · 7.0 · update rc3
linux

Linux · c7fb19428d67dd0a2a78a4f237af01d39c78dc5a to before a7b33671e418fca507feebd1d56e7f4952a4b25c, c7fb19428d67dd0a2a78a4f237af01d39c78dc5a to before 439a6728ec4641ffad1ca796622c19bc525e570f, c7fb19428d67dd0a2a78a4f237af01d39c78dc5a to before f3fb54e7a8b4aadcc2836ee463eec8c88709b8aa, c7fb19428d67dd0a2a78a4f237af01d39c78dc5a to before 50ad880db3013c6fee0ef13781762a39e2e7ef83, c7fb19428d67dd0a2a78a4f237af01d39c78dc5a to before 97b57f69fee1b61b41acbf37e7720cac9d389fa4, c7fb19428d67dd0a2a78a4f237af01d39c78dc5a to before c2c185be5c85d37215397c8e8781abf0a69bec1f
Linux

Linux · 5.19
Linux

Component: Not specified by the source
File: io_uring/kbuf.c

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

What an attacker can do

Source advisory’s CVSS 3.1 assessment (base score 7.8/10) rates confidentiality, integrity and availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.