CVE-2026-31428

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: April 13, 2026 (31 days ago)
Last Modified: April 13, 2026
Vendor: Red Hat
Source: REDHAT

Description

A flaw was found in the Linux kernel's netfilter component. When manually constructing the NFULA_PAYLOAD netlink attribute, uninitialized padding bytes are not properly cleared. This oversight allows a local user to access stale heap memory contents through the NFLOG netlink socket, leading to information disclosure.

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