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.

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Advisories
Source ID Title
EUVD EUVD EUVD-2021-26821 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.
Ubuntu USN Ubuntu USN USN-4977-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-4983-1 Linux kernel (OEM) vulnerabilities
Fixes

Solution

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Workaround

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cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-03T16:53:17.850Z

Reserved: 2021-04-15T00:00:00

Link: CVE-2021-3501

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-05-06T13:15:12.840

Modified: 2024-11-21T06:21:41.670

Link: CVE-2021-3501

cve-icon Redhat

Severity : Important

Publid Date: 2021-04-13T09:30:00Z

Links: CVE-2021-3501 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses