CVE-2026-53188
RDMA/core: Validate the passed in fops for ib_get_ucaps()
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Jun 25, 2026 |
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Affected Versions
Linux / Linux
61e51682816d395307f78ae06d640089054c28ab < 96b6e98ff12d50ed5817230c6f1188e1150d225d 61e51682816d395307f78ae06d640089054c28ab < aa181287ebdcc53ee0ba5c2f8243e2d541ebc19b 61e51682816d395307f78ae06d640089054c28ab < 4a1b1ac2744694a2ecd66a84bdb1445f4ef24bee
Linux / Linux
6.15