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CVE-2026-98604

kernel: ovpn: replace bind when learning local endpoint

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Severity

Low

Red Hat Product Security

3.1

CVSS 3.1

Review impact separately from score.

Published · October 18, 2026

Updated · October 21, 2026

Description

A flaw was found in the Linux kernel's OpenVPN (ovpn) subsystem. A race condition exists where local network endpoint updates modify binding data without proper synchronization while outbound network traffic reads the address concurrently. A remote peer or concurrent network activity could trigger this flaw during IPv6 updates, resulting in an inconsistent address read, packet transmission errors, and a potential Denial of Service (DoS).

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 3.1
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L

CWE-366 · Race Condition within a Thread