CVE-2026-53188EPSS p2.8%

CVE-2026-53188CVE-2026-53188

linux / linux_kernel

Description

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.

Scoring

CVSS 8.8 ()
VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS0.13% probability of exploitation · percentile 2.8% · 2026-08-11T12:00:17Z
Last modified2026-07-06
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.