CVE-2026-31688

medium Red Hat
CVSS v3 Base Score
7.0
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Characteristics
Attack Vector
Local
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Confidentiality
High
Integrity
High
Availability
High
Published: April 27, 2026 (17 days ago)
Last Modified: April 27, 2026
Vendor: Red Hat
Source: REDHAT

Description

A flaw was found in the Linux kernel's driver core. An inconsistency in enforcing the `device_lock` for `driver_match_device()` can lead to a race condition. This issue, specifically when the `driver_override` implementation is used, can result in a use-after-free (UAF) vulnerability. A use-after-free vulnerability occurs when a program attempts to use memory after it has been freed, which can lead to system instability or potentially arbitrary code execution.

CWE

CWE-413

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