{"id":"CVE-2026-100075","revision":"42bd3821ee7a46b29704671e86219ec4","records":[{"revision":"42bd3821ee7a46b29704671e86219ec4","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-100075","aliases":[],"title":"RDMA/srpt: Fix srpt_alloc_rw_ctxs() unwind counters","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/srpt: Fix srpt_alloc_rw_ctxs() unwind counters\n\nWhen srpt_alloc_rw_ctxs() fails partway through a multi-buffer indirect\ndescriptor, the unwind path destroys RDMA contexts but leaves stale\nn_rw_ctx and n_rdma values (and a dangling rw_ctxs pointer). Later\nsq_wr_avail accounting in srpt_queue_response() or srpt_write_pending()\ncan then subtract the wrong number of send queue credits.\n\nReset the counters and clear rw_ctxs after freeing the heap\nallocation before returning an error.","state":0,"publishedAt":"2026-09-25T13:06:47.399+00:00","modifiedAt":"2026-10-19T08:43:07.444+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/ulp/srpt/ib_srpt.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"b99f8e4d7bcd3bfbb3cd965918523299370d0cb2\",\n                            \"lessThan\": \"af00051dbc9f467d4840ec709680660a3f8990fa\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"b99f8e4d7bcd3bfbb3cd965918523299370d0cb2\",\n                            \"lessThan\": \"717ab4d0614e9446bf8e2de6229464499e4008d6\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"b99f8e4d7bcd3bfbb3cd965918523299370d0cb2\",\n                            \"lessThan\": \"f1f2252da52cdda912da9993f39f58783b01b38f\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"b99f8e4d7bcd3bfbb3cd965918523299370d0cb2\",\n                            \"lessThan\": \"f65f45dfa1e6e2eaa9e11c8b8ce8857799cb189d\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"b99f8e4d7bcd3bfbb3cd965918523299370d0cb2\",\n                            \"lessThan\": \"be1478849e1abb1e12dc12e14cdbf800cc6fa99a\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"b99f8e4d7bcd3bfbb3cd965918523299370d0cb2\",\n                            \"lessThan\": \"af073bd245180393bcb15d33d3990a6bdc32593a\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"b99f8e4d7bcd3bfbb3cd965918523299370d0cb2\",\n                            \"lessThan\": \"bd02d644bd19a2795c018635d273d91e45d2bb95\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"b99f8e4d7bcd3bfbb3cd965918523299370d0cb2\",\n                            \"lessThan\": \"b38f98e176050850f41bb6415f3a71400056623e\",\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/ulp/srpt/ib_srpt.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"4.7\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"4.7\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.10.270\",\n                            \"lessThanOrEqual\": \"5.10.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.221\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.188\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.157\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.110\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.52\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.6\",\n                            \"lessThanOrEqual\": \"7.2.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.3\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8,"severity":"CRITICAL"}],"references":["https://git.kernel.org/stable/c/af00051dbc9f467d4840ec709680660a3f8990fa","https://git.kernel.org/stable/c/717ab4d0614e9446bf8e2de6229464499e4008d6","https://git.kernel.org/stable/c/f1f2252da52cdda912da9993f39f58783b01b38f","https://git.kernel.org/stable/c/f65f45dfa1e6e2eaa9e11c8b8ce8857799cb189d","https://git.kernel.org/stable/c/be1478849e1abb1e12dc12e14cdbf800cc6fa99a","https://git.kernel.org/stable/c/af073bd245180393bcb15d33d3990a6bdc32593a","https://git.kernel.org/stable/c/bd02d644bd19a2795c018635d273d91e45d2bb95","https://git.kernel.org/stable/c/b38f98e176050850f41bb6415f3a71400056623e"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-100075","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-100075","identifiers":["CVE-2026-100075"]},"retained":false,"historicalAffected":[]}],"coverage":[]}