CVE-2026-46279

low Red Hat
CVSS v3 Base Score
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Characteristics
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Confidentiality
None
Integrity
None
Availability
High
Published: June 8, 2026 (32 days ago)
Last Modified: June 8, 2026
Vendor: Red Hat
Source: REDHAT

Description

A flaw was found in the Linux kernel's memory management subsystem. Due to an initialization ordering issue, certain pages allocated before the `page_ext` structure is fully available may have uninitialized `codetag` references. This can lead to a warning being triggered when these pages are later reclaimed by the Kernel Address Sanitizer (KASAN), indicating an `alloc_tag` was not set. This issue is primarily observed in debug configurations and does not directly lead to arbitrary code execution or privilege escalation.

CWE

CWE-824

Affected Products

Red Hat Enterprise Linux 10Red Hat Enterprise Linux 6Red Hat Enterprise Linux 7Red Hat Enterprise Linux 8Red Hat Enterprise Linux 9

References

🔗 bugzilla.redhat.com 🔗 www.cve.org 🔗 nvd.nist.gov 🔗 lore.kernel.org