CVE-2026-53188 — RDMA/core: Validate the passed in fops for ib_get_ucaps()
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 o…
Published: 2026-06-25 · CVSS: 8.8 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7