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// vulnerability record
cached · NVD via COSMOS syncCVE-2026-53188
HIGHpublished 2026-06-25 09:16 UTC · 3 days ago · modified 2026-06-28 08:16 UTC
8.8
CVSS / 10
// 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.
// cvss 3.1 vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H