CVE-2026-53188

Last refreshed2026-10-17

Status: UPDATED | Advisory ID: CVE-2026-53188

Key Details

CVE	CVE-2026-53188
CVSS Score / Version	8.8 (High) / CVSS v3.1
Updated	2026-10-16
CVSS Vector	`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H`
CVSS Prose	attack vector is local; attack complexity is low; privileges required is low; user interaction is none; scope is changed; confidentiality impact is high; integrity impact is high; availability impact is high.
Affected products	Linux Kernel

Vendor	Product	Affected Versions	Patch Status
Linux	Linux Kernel

Vendor

Product

Affected Versions

Patch Status

Linux

Linux Kernel

Subsystems	OT Supporting Infrastructure
Sectors	All Sectors

In the Linux kernel, the following vulnerability has been resolved:

RDMA/core: Validate the passed in fops for ib_get_ucaps()

Sashiko pointed out it is not safe to rely only on the devt because

char/block alias so if the user finds a block device with the same dev_t

it can masquerade as a ucap cdev fd.

Test the f_ops to only accept authentic cdevs. (NVD)

Monitor Linux's web page for any future patch releases.

Source	Reference
NVD	https://nvd.nist.gov/vuln/detail/CVE-2026-53188
CVE	https://www.cve.org/CVERecord?id=CVE-2026-53188

Source

Reference

NVD

CVE