Out-of-bounds Write Affecting kernel-core package, versions <0:4.18.0-305.3.1.el8_4
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Test your applications- Snyk ID SNYK-ROCKY8-KERNELCORE-3291191
- published 3 Feb 2023
- disclosed 6 May 2021
Introduced: 6 May 2021
CVE-2021-3501 Open this link in a new tabHow to fix?
Upgrade Rocky-Linux:8 kernel-core to version 0:4.18.0-305.3.1.el8_4 or higher.
This issue was patched in RLSA-2021:2168.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-core package and not the kernel-core package as distributed by Rocky-Linux.
See How to fix? for Rocky-Linux:8 relevant fixed versions and status.
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.