{"id":"CVE-2024-35902","revision":"3bad81ecc9474c90b8c19647480a27ba","records":[{"revision":"3bad81ecc9474c90b8c19647480a27ba","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2024-35902","aliases":[],"title":"net/rds: fix possible cp null dereference","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet/rds: fix possible cp null dereference\n\ncp might be null, calling cp->cp_conn would produce null dereference\n\n[Simon Horman adds:]\n\nAnalysis:\n\n* cp is a parameter of __rds_rdma_map and is not reassigned.\n\n* The following call-sites pass a NULL cp argument to __rds_rdma_map()\n\n  - rds_get_mr()\n  - rds_get_mr_for_dest\n\n* Prior to the code above, the following assumes that cp may be NULL\n  (which is indicative, but could itself be unnecessary)\n\n\ttrans_private = rs->rs_transport->get_mr(\n\t\tsg, nents, rs, &mr->r_key, cp ? cp->cp_conn : NULL,\n\t\targs->vec.addr, args->vec.bytes,\n\t\tneed_odp ? ODP_ZEROBASED : ODP_NOT_NEEDED);\n\n* The code modified by this patch is guarded by IS_ERR(trans_private),\n  where trans_private is assigned as per the previous point in this analysis.\n\n  The only implementation of get_mr that I could locate is rds_ib_get_mr()\n  which can return an ERR_PTR if the conn (4th) argument is NULL.\n\n* ret is set to PTR_ERR(trans_private).\n  rds_ib_get_mr can return ERR_PTR(-ENODEV) if the conn (4th) argument is NULL.\n  Thus ret may be -ENODEV in which case the code in question will execute.\n\nConclusion:\n* cp may be NULL at the point where this patch adds a check;\n  this patch does seem to address a possible bug","state":0,"publishedAt":"2024-05-19T08:34:55.692+00:00","modifiedAt":"2026-10-15T00:41:20.67+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                        \"net/rds/rdma.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"786854141057751bc08eb26f1b02e97c1631c8f4\",\n                            \"lessThan\": \"d275de8ea7be3a453629fddae41d4156762e814c\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"997efea2bf3a4adb96c306b9ad6a91442237bf5b\",\n                            \"lessThan\": \"bcd46782e2ec3825d10c1552fcb674d491cc09f9\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"9dfc15a10dfd44f8ff7f27488651cb5be6af83c2\",\n                            \"lessThan\": \"cfb786b03b03c5ff38882bee38525eb9987e4d14\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"b562ebe21ed9adcf42242797dd6cb75beef12bf0\",\n                            \"lessThan\": \"d49fac38479bfdaec52b3ea274d290c47a294029\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"998fd719e6d6468b930ac0c44552ea9ff8b07b80\",\n                            \"lessThan\": \"cbaac2e5488ed54833897264a5ffb2a341a9f196\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"2b505d05280739ce31d5708da840f42df827cb85\",\n                            \"lessThan\": \"92309bed3c5fbe2ccd4c45056efd42edbd06162d\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c055fc00c07be1f0df7375ab0036cebd1106ed38\",\n                            \"lessThan\": \"6794090c742008c53b344b35b021d4a3093dc50a\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c055fc00c07be1f0df7375ab0036cebd1106ed38\",\n                            \"lessThan\": \"62fc3357e079a07a22465b9b6ef71bb6ea75ee4b\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"907761307469adecb02461a14120e9a1812a5fb1\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"4.19.310\",\n                            \"lessThan\": \"4.19.312\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.4.272\",\n                            \"lessThan\": \"5.4.274\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.10.213\",\n                            \"lessThan\": \"5.10.215\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.152\",\n                            \"lessThan\": \"5.15.154\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.82\",\n                            \"lessThan\": \"6.1.85\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.22\",\n                            \"lessThan\": \"6.6.26\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.7.10\",\n                            \"lessThan\": \"6.8\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\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                        \"net/rds/rdma.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.8\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.8\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"4.19.312\",\n                            \"lessThanOrEqual\": \"4.19.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.4.274\",\n                            \"lessThanOrEqual\": \"5.4.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.10.215\",\n                            \"lessThanOrEqual\": \"5.10.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.154\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.85\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.26\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.8.5\",\n                            \"lessThanOrEqual\": \"6.8.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.9\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/d275de8ea7be3a453629fddae41d4156762e814c","https://git.kernel.org/stable/c/bcd46782e2ec3825d10c1552fcb674d491cc09f9","https://git.kernel.org/stable/c/cfb786b03b03c5ff38882bee38525eb9987e4d14","https://git.kernel.org/stable/c/d49fac38479bfdaec52b3ea274d290c47a294029","https://git.kernel.org/stable/c/cbaac2e5488ed54833897264a5ffb2a341a9f196","https://git.kernel.org/stable/c/92309bed3c5fbe2ccd4c45056efd42edbd06162d","https://git.kernel.org/stable/c/6794090c742008c53b344b35b021d4a3093dc50a","https://git.kernel.org/stable/c/62fc3357e079a07a22465b9b6ef71bb6ea75ee4b"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2024-35902","license":"CVE Program Terms of Use","key":"cve-program:CVE-2024-35902","identifiers":["CVE-2024-35902"]},"retained":false,"historicalAffected":[]}],"coverage":[]}