CVE-2026-46268

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 3, 2026 (37 days ago)
Last Modified: June 3, 2026
Vendor: Red Hat
Source: REDHAT

Description

A flaw was found in the Linux kernel's PCI/P2PDMA subsystem. Specifically, a warning condition in the `p2pmem_alloc_mmap()` function can be triggered due to an incorrect page reference count assertion. This issue occurs when the `CONFIG_DEBUG_VM` option is enabled, leading to kernel warning messages. While primarily a debugging concern, it may indicate unexpected system behavior or instability under specific configurations.

CWE

CWE-911

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