{"id":"CVE-2026-90416","revision":null,"records":[{"revision":"5351823b4c3448a69e33f158d5aada82","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-90416","aliases":[],"title":"RDMA/mlx5: Fix stack out-of-bounds read in cc_params debugfs","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/mlx5: Fix stack out-of-bounds read in cc_params debugfs\n\nget_param() reads a congestion parameter as a u32 but formats it with the\nsigned \"%d\" into an 11-byte stack buffer. A value with bit 31 set, such as\n0x80000000, renders as \"-2147483648\\n\" whose full length is 12. snprintf()\nstores only 11 bytes yet returns 12, so simple_read_from_buffer() treats 12\nbytes as valid and reads one byte past lbuf[].\n\nSize the buffer for the widest unsigned decimal, format with \"%u\" to match\nthe u32, and use scnprintf() so the length passed to\nsimple_read_from_buffer() reflects the bytes actually stored.","state":0,"publishedAt":"2026-09-17T16:09:41.372+00:00","modifiedAt":"2026-10-19T09:03:20.401+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/hw/mlx5/cong.c\"\n ],\n \"versions\": [\n {\n \"version\": \"4a2da0b8c0782816f3ae6846ae7942fcbb0f8172\",\n \"lessThan\": \"1c5b4f76cd73372c5a8a4c91c95d5a31f141e091\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"4a2da0b8c0782816f3ae6846ae7942fcbb0f8172\",\n \"lessThan\": \"06b62758f81e27ca4c81201c22e3436c6d9ac894\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"4a2da0b8c0782816f3ae6846ae7942fcbb0f8172\",\n \"lessThan\": \"d809cf3f0ed9255abfc73c4730bcf187151422af\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"4a2da0b8c0782816f3ae6846ae7942fcbb0f8172\",\n \"lessThan\": \"0b0122fcc923a0271130f5fb71af2cd7e20434d9\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"4a2da0b8c0782816f3ae6846ae7942fcbb0f8172\",\n \"lessThan\": \"ce8dfd32a33b578c3abf178f67b4c8d36854f041\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"4a2da0b8c0782816f3ae6846ae7942fcbb0f8172\",\n \"lessThan\": \"4599311e78e88c893ad551aca622de2bfdf1c31f\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"4a2da0b8c0782816f3ae6846ae7942fcbb0f8172\",\n \"lessThan\": \"c75ee076fa09778a2f9602a972dade4a0b0785f7\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"4a2da0b8c0782816f3ae6846ae7942fcbb0f8172\",\n \"lessThan\": \"03826bc1fa6c90405bf05831f2b501a8368dcd27\",\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/hw/mlx5/cong.c\"\n ],\n \"versions\": [\n {\n \"version\": \"4.14\",\n \"status\": \"affected\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"4.14\",\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":[],"references":["https://git.kernel.org/stable/c/1c5b4f76cd73372c5a8a4c91c95d5a31f141e091","https://git.kernel.org/stable/c/06b62758f81e27ca4c81201c22e3436c6d9ac894","https://git.kernel.org/stable/c/d809cf3f0ed9255abfc73c4730bcf187151422af","https://git.kernel.org/stable/c/0b0122fcc923a0271130f5fb71af2cd7e20434d9","https://git.kernel.org/stable/c/ce8dfd32a33b578c3abf178f67b4c8d36854f041","https://git.kernel.org/stable/c/4599311e78e88c893ad551aca622de2bfdf1c31f","https://git.kernel.org/stable/c/c75ee076fa09778a2f9602a972dade4a0b0785f7","https://git.kernel.org/stable/c/03826bc1fa6c90405bf05831f2b501a8368dcd27"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-90416","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-90416","identifiers":["CVE-2026-90416"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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Not a global EUVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-3c8e547b28ad4f0fa34b0d9a3442b37e","complete":false,"records":13654,"lastAttemptAt":"2026-11-09T02:21:06.332251+00:00","lastSuccessAt":"2026-11-09T02:21:06.328+00:00","error":null,"lastVerifiedAt":"2026-11-09T02:21:06.328+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":13634,"expectedIdentifiers":13706,"failedIdentifiers":0},{"source":"first-epss:nuget","scope":"FIRST EPSS for explicit CVE aliases in the collected public NuGet archive. Not a global EPSS backfill.","generation":"2026-11-09T02:08:49.7164208+00:00","complete":true,"records":1096,"lastAttemptAt":"2026-11-09T02:08:49.7164208+00:00","lastSuccessAt":"2026-11-09T02:08:49.9145991+00:00","error":null,"lastVerifiedAt":"2026-11-09T02:08:49.9145992+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"nvd","scope":"Rolling NVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global NVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. 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