CVE-2026-46298

kernel: pseries/papr-hvpipe: Fix race with interrupt handler

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Severity

Low

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · June 8, 2026

Updated · July 9, 2026

Description

A flaw was found in the Linux kernel, specifically within the pseries/papr-hvpipe component. This vulnerability is a race condition that can occur when an interrupt fires on the same central processing unit (CPU) while the ioctl or release handlers are executing. This can lead to a deadlock, resulting in a Denial of Service (DoS) for the affected system.

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 · 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-364 · Signal Handler Race Condition