CVE-2023-53627: linux kernel from 4.5 (inclusive), before 6.3.4 (exclusive); +1 more affected products

CVE-2023-53627 affects linux. CVSS 3.1 base score 5.5 (MEDIUM, NVD). EPSS 0.00211 (percentile 0.10806), scored 20-Oct-2026. Fixed version: 6.3.7-1. Fixed version: 6.3.7-1. Fixed version: 6.1.190-1.

Affected technology

linux kernel · from 4.5 (inclusive), before 6.3.4 (exclusive)
linux

Linux · 47caad1577cd7a39e2048c5e4edbce4b863dc12b to before 6fb177f10d87b8d816402c488e83506d0fb5340a, 47caad1577cd7a39e2048c5e4edbce4b863dc12b to before 6e2a40b3a332ea84079983be21c944de8ddbc4f3, 47caad1577cd7a39e2048c5e4edbce4b863dc12b to before 71fb36b5ff113a7674710b9d6063241eada84ff7
Linux

Linux · 4.5
Linux

Component: Not specified by the source
File: drivers/scsi/hisi_sas/hisi_sas.h, drivers/scsi/hisi_sas/hisi_sas_main.c, drivers/scsi/hisi_sas/hisi_sas_v1_hw.c, drivers/scsi/hisi_sas/hisi_sas_v2_hw.c, drivers/scsi/hisi_sas/hisi_sas_v3_hw.c

Attack conditions (Source advisory, CVSS 3.1): Local · Low privileges required · No user interaction required

Attack conditions (NVD, CVSS 3.1): Local · Low privileges required · No user interaction required

What an attacker can do

Source advisory’s CVSS 3.1 assessment (base score 7.8/10) rates confidentiality, integrity and availability impact as high. NVD’s CVSS 3.1 assessment (base score 5.5/10) rates confidentiality and integrity impact as none; availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 21-Oct-2026 15:29 UTC

CWE: CWE-476
Product: linux
CCR priority: 22.1 /100 (P4)
CVSS 3.1: 5.5 /10 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H · NVD
EPSS: 0.00211 · percentile 0.10806 · 2026-10-20
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-20 16:56:29.772392+00:00 UTC
GitHub Advisory Database · Source record · observed 2026-10-04 06:01:24.332572+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-04 05:55:03.931280+00:00 UTC
OSV.dev · Source record · observed 2026-10-21 07:07:21.683489+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2023-53627.html