CVE-2026-46076: linux kernel from 6.2 (inclusive), before 6.12.86 (exclusive), from 6.13 (inclusive), before 6.18.27 (exclusive), from…

Affected technology

linux kernel · from 6.2 (inclusive), before 6.12.86 (exclusive)
linux

linux kernel · from 6.13 (inclusive), before 6.18.27 (exclusive)
linux

linux kernel · from 6.19 (inclusive), before 7.0.4 (exclusive)
linux

Linux · 3f4a812edf5cb0a50e65fbdfafdb3e688da18f16 to before 924d721fae95687acedbaf624a094ed0e8b67104, 3f4a812edf5cb0a50e65fbdfafdb3e688da18f16 to before 009c0f726abeaa67aad1d96b883bdce01d405ce2, 3f4a812edf5cb0a50e65fbdfafdb3e688da18f16 to before 5fb4a5f361565f5b629d8a8fe5288ce8463c5727, 3f4a812edf5cb0a50e65fbdfafdb3e688da18f16 to before c36991c6f8d2ab56ee67aff04e3c357f45cfc76c
Linux

Linux · 6.2
Linux

Component: Not specified by the source
File: arch/x86/kvm/hyperv.h, arch/x86/kvm/svm/hyperv.h, arch/x86/kvm/svm/nested.c, arch/x86/kvm/svm/svm.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 7.9/10) rates confidentiality and integrity impact as low; availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.