CVE-2021-3501

High

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.

SeverityHigh
CVSS7.1
Exploit probability—
ProductLinux Kernel
PublishedMay 6, 2021
First seenMay 6, 2021

How to fix

Update
  • linux linux_kernel5.12 or later

Affected products

ProductAffected versionsFixed in
linux linux_kernelv < 5.125.12
redhat enterprise_linux8.0—
redhat enterprise_linux_for_real_time8—
redhat enterprise_linux_for_real_time_for_nfv8—
redhat enterprise_linux_for_real_time_for_nfv_tus8.4—
redhat enterprise_linux_for_real_time_tus8.4—
fedoraproject fedora33—
redhat virtualization4.0—
redhat virtualization_host4.0—
netapp cloud_backupNo range specified—
netapp solidfire_baseboard_management_controller_firmwareNo range specified—
netapp h300s_firmwareNo range specified—
netapp h500s_firmwareNo range specified—
netapp h700s_firmwareNo range specified—
netapp h300e_firmwareNo range specified—
netapp h500e_firmwareNo range specified—
netapp h700e_firmwareNo range specified—
netapp h410s_firmwareNo range specified—
netapp h410c_firmwareNo range specified—

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