P4Verified

CVE-2026-45898: linux kernel from 6.11 (inclusive), before 6.12.75 (exclusive), from 6.13 (inclusive), before 6.18.14 (exclusive)…

CVE-2026-45898. CVSS 3.1 base score 9.8 (CRITICAL, Source advisory). EPSS 0.00492 (percentile 0.40833), scored 15-Oct-2026.

Affected technology

linux kernel · from 6.11 (inclusive), before 6.12.75 (exclusive)
linux

linux kernel · from 6.13 (inclusive), before 6.18.14 (exclusive)
linux

linux kernel · from 6.19 (inclusive), before 6.19.4 (exclusive)
linux

Linux · e1168f09b3314992f1c5251f3793102035da7237 to before 38c5b49fffa1b760959af74f11806eeb3ef4706d, e1168f09b3314992f1c5251f3793102035da7237 to before eb715133e0ae12514bba4d2d5ce1dee774476056, e1168f09b3314992f1c5251f3793102035da7237 to before a6b9e793e74e372daa266fd0d58b751305877897, e1168f09b3314992f1c5251f3793102035da7237 to before 7874eeacfa42177565c01d5198726671acf7adf2
Linux

Linux · 6.11
Linux

Red Hat Enterprise Linux 10 · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 10.0 Extended Update Support · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 9 · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 9.6 Extended Update Support · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 6 · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 7 · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 8 · Exact affected versions not specified by the source
Red Hat

Component: Not specified by the source
File: drivers/infiniband/core/iwcm.c, drivers/infiniband/core/iwcm.h

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

Attack conditions (Source advisory, 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 9.8/10) rates confidentiality, integrity and availability impact as high. Source advisory’s CVSS 3.1 assessment (base score 7.0/10) rates confidentiality, integrity and availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 16-Oct-2026 16:57 UTC

CWE: CWE-1341
CCR priority: 39.3 /100 (P4)
CVSS 3.1: 9.8 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · Source advisory
EPSS: 0.00492 · percentile 0.40833 · 2026-10-15
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-16 16:55:38.548135+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-45898.html