CVE-2023-54315

kernel: powerpc/powernv/sriov: perform null check on iov before dereferencing iov

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Severity

Low

Red Hat Product Security

3.3

CVSS 3.1

Review impact separately from score.

Published · December 30, 2025

Updated · June 30, 2026

Description

A NULL pointer dereference was found in the PowerPC PowerNV SR-IOV code. The iov pointer is dereferenced before being checked for NULL, causing crashes when SR-IOV is not properly configured.

Statement

This affects PowerPC PowerNV (POWER8/9/10) servers with SR-IOV capable PCI devices. The crash occurs only when SR-IOV configuration is missing or incomplete for a device attempting VF operations.

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 · 3.3
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

CWE-476 · NULL Pointer Dereference