PulseLinuxLINUX UPDATE INTELLIGENCE
CVE Database›Document archive›CVE-2022-50614

CVE-2022-50614

kernel: Kernel: Denial of Service in pci_endpoint_test due to zero-length DMA mapping

Loading…

Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · December 8, 2025

Updated · June 30, 2026

Description

A flaw was found in the Linux kernel's pci_endpoint_test module. A local attacker with low privileges could exploit this vulnerability by providing a zero-length Direct Memory Access (DMA) mapping to the dma_map_single() function. This improper input validation can lead to a kernel panic, resulting in a Denial of Service (DoS) on 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-130 · Improper Handling of Length Parameter Inconsistency