{"api_version":"1","generated_at":"2026-10-10T23:04:29+00:00","cve":"CVE-2026-90416","urls":{"html":"https://cve.report/CVE-2026-90416","api":"https://cve.report/api/cve/CVE-2026-90416.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-90416","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-90416"},"summary":{"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":"PUBLISHED","assigner":"Linux","published_at":"2026-09-17 17:17:45","updated_at":"2026-09-17 17:17:45"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/0b0122fcc923a0271130f5fb71af2cd7e20434d9","name":"https://git.kernel.org/stable/c/0b0122fcc923a0271130f5fb71af2cd7e20434d9","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/c75ee076fa09778a2f9602a972dade4a0b0785f7","name":"https://git.kernel.org/stable/c/c75ee076fa09778a2f9602a972dade4a0b0785f7","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/06b62758f81e27ca4c81201c22e3436c6d9ac894","name":"https://git.kernel.org/stable/c/06b62758f81e27ca4c81201c22e3436c6d9ac894","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/1c5b4f76cd73372c5a8a4c91c95d5a31f141e091","name":"https://git.kernel.org/stable/c/1c5b4f76cd73372c5a8a4c91c95d5a31f141e091","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/ce8dfd32a33b578c3abf178f67b4c8d36854f041","name":"https://git.kernel.org/stable/c/ce8dfd32a33b578c3abf178f67b4c8d36854f041","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d809cf3f0ed9255abfc73c4730bcf187151422af","name":"https://git.kernel.org/stable/c/d809cf3f0ed9255abfc73c4730bcf187151422af","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/4599311e78e88c893ad551aca622de2bfdf1c31f","name":"https://git.kernel.org/stable/c/4599311e78e88c893ad551aca622de2bfdf1c31f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/03826bc1fa6c90405bf05831f2b501a8368dcd27","name":"https://git.kernel.org/stable/c/03826bc1fa6c90405bf05831f2b501a8368dcd27","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-90416","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-90416","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4a2da0b8c0782816f3ae6846ae7942fcbb0f8172 1c5b4f76cd73372c5a8a4c91c95d5a31f141e091 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4a2da0b8c0782816f3ae6846ae7942fcbb0f8172 06b62758f81e27ca4c81201c22e3436c6d9ac894 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4a2da0b8c0782816f3ae6846ae7942fcbb0f8172 d809cf3f0ed9255abfc73c4730bcf187151422af git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4a2da0b8c0782816f3ae6846ae7942fcbb0f8172 0b0122fcc923a0271130f5fb71af2cd7e20434d9 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.221 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.188 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.157 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.110 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.52 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.6 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3-rc1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/infiniband/hw/mlx5/cong.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"1c5b4f76cd73372c5a8a4c91c95d5a31f141e091","status":"affected","version":"4a2da0b8c0782816f3ae6846ae7942fcbb0f8172","versionType":"git"},{"lessThan":"06b62758f81e27ca4c81201c22e3436c6d9ac894","status":"affected","version":"4a2da0b8c0782816f3ae6846ae7942fcbb0f8172","versionType":"git"},{"lessThan":"d809cf3f0ed9255abfc73c4730bcf187151422af","status":"affected","version":"4a2da0b8c0782816f3ae6846ae7942fcbb0f8172","versionType":"git"},{"lessThan":"0b0122fcc923a0271130f5fb71af2cd7e20434d9","status":"affected","version":"4a2da0b8c0782816f3ae6846ae7942fcbb0f8172","versionType":"git"},{"lessThan":"ce8dfd32a33b578c3abf178f67b4c8d36854f041","status":"affected","version":"4a2da0b8c0782816f3ae6846ae7942fcbb0f8172","versionType":"git"},{"lessThan":"4599311e78e88c893ad551aca622de2bfdf1c31f","status":"affected","version":"4a2da0b8c0782816f3ae6846ae7942fcbb0f8172","versionType":"git"},{"lessThan":"c75ee076fa09778a2f9602a972dade4a0b0785f7","status":"affected","version":"4a2da0b8c0782816f3ae6846ae7942fcbb0f8172","versionType":"git"},{"lessThan":"03826bc1fa6c90405bf05831f2b501a8368dcd27","status":"affected","version":"4a2da0b8c0782816f3ae6846ae7942fcbb0f8172","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/infiniband/hw/mlx5/cong.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.14"},{"lessThan":"4.14","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.270","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.221","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.188","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.157","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.110","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.52","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.6","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3-rc1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.270","versionStartIncluding":"4.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.221","versionStartIncluding":"4.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.188","versionStartIncluding":"4.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.157","versionStartIncluding":"4.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.110","versionStartIncluding":"4.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.52","versionStartIncluding":"4.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.6","versionStartIncluding":"4.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3-rc1","versionStartIncluding":"4.14","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"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."}],"providerMetadata":{"dateUpdated":"2026-09-17T16:09:41.372Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/1c5b4f76cd73372c5a8a4c91c95d5a31f141e091"},{"url":"https://git.kernel.org/stable/c/06b62758f81e27ca4c81201c22e3436c6d9ac894"},{"url":"https://git.kernel.org/stable/c/d809cf3f0ed9255abfc73c4730bcf187151422af"},{"url":"https://git.kernel.org/stable/c/0b0122fcc923a0271130f5fb71af2cd7e20434d9"},{"url":"https://git.kernel.org/stable/c/ce8dfd32a33b578c3abf178f67b4c8d36854f041"},{"url":"https://git.kernel.org/stable/c/4599311e78e88c893ad551aca622de2bfdf1c31f"},{"url":"https://git.kernel.org/stable/c/c75ee076fa09778a2f9602a972dade4a0b0785f7"},{"url":"https://git.kernel.org/stable/c/03826bc1fa6c90405bf05831f2b501a8368dcd27"}],"title":"RDMA/mlx5: Fix stack out-of-bounds read in cc_params debugfs","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-90416","datePublished":"2026-09-17T16:09:41.372Z","dateReserved":"2026-09-11T19:38:34.813Z","dateUpdated":"2026-09-17T16:09:41.372Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-17 17:17:45","lastModifiedDate":"2026-09-17 17:17:45","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"90416","Ordinal":"1","Title":"RDMA/mlx5: Fix stack out-of-bounds read in cc_params debugfs","CVE":"CVE-2026-90416","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"90416","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"RDMA/mlx5: Fix stack out-of-bounds read in cc_params debugfs"}]}}}