{"id":"CVE-2026-53188","revision":"659467e6af7f45caaf8bfdfd1cbfb905","records":[{"revision":"659467e6af7f45caaf8bfdfd1cbfb905","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-53188","aliases":[],"title":"RDMA/core: Validate the passed in fops for ib_get_ucaps()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/core: Validate the passed in fops for ib_get_ucaps()\n\nSashiko pointed out it is not safe to rely only on the devt because\nchar/block alias so if the user finds a block device with the same dev_t\nit can masquerade as a ucap cdev fd.\n\nTest the f_ops to only accept authentic cdevs.","state":0,"publishedAt":"2026-06-25T08:39:00.96+00:00","modifiedAt":"2026-10-19T19:57:27.314+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/infiniband/core/ucaps.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"61e51682816d395307f78ae06d640089054c28ab\",\n                            \"lessThan\": \"96b6e98ff12d50ed5817230c6f1188e1150d225d\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"61e51682816d395307f78ae06d640089054c28ab\",\n                            \"lessThan\": \"aa181287ebdcc53ee0ba5c2f8243e2d541ebc19b\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"61e51682816d395307f78ae06d640089054c28ab\",\n                            \"lessThan\": \"4a1b1ac2744694a2ecd66a84bdb1445f4ef24bee\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/infiniband/core/ucaps.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.15\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.15\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.36\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.0.13\",\n                            \"lessThanOrEqual\": \"7.0.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.1\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","score":8.8,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/96b6e98ff12d50ed5817230c6f1188e1150d225d","https://git.kernel.org/stable/c/aa181287ebdcc53ee0ba5c2f8243e2d541ebc19b","https://git.kernel.org/stable/c/4a1b1ac2744694a2ecd66a84bdb1445f4ef24bee"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-53188","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-53188","identifiers":["CVE-2026-53188"]},"retained":false,"historicalAffected":[]}],"coverage":[]}