Description
A flaw was found in the Linux kernel in versions before 5.12. The value of internal.ndata, in the KVM API, is mapped to an array index, which can be updated by a user process at anytime which could lead to an out-of-bounds write. The highest threat from this vulnerability is to data integrity and system availability.
References (3)
Core 3
Core References
Issue Tracking, Patch, Third Party Advisory x_refsource_misc
https://bugzilla.redhat.com/show_bug.cgi?id=1950136
Mailing List, Patch, Vendor Advisory x_refsource_misc
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=04c4f2ee3f68c9a4bf1653d15f1a9a435ae33f7a
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20210618-0008/
Scores
CVSS v3
7.1
EPSS
0.0004
EPSS Percentile
13.1%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Details
CWE
CWE-787
Status
published
Products (19)
fedoraproject/fedora
33
linux/linux_kernel
< 5.12
netapp/cloud_backup
netapp/h300e_firmware
netapp/h300s_firmware
netapp/h410c_firmware
netapp/h410s_firmware
netapp/h500e_firmware
netapp/h500s_firmware
netapp/h700e_firmware
... and 9 more
Published
May 06, 2021
Tracked Since
Feb 18, 2026