{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-46145", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-13T15:03:33.100Z", "datePublished": "2026-05-28T09:36:01.805Z", "dateUpdated": "2026-05-30T10:48:18.066Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-30T10:48:18.066Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/mana: Validate rx_hash_key_len\n\nSashiko points out that rx_hash_key_len comes from a uAPI structure and is\nblindly passed to memcpy, allowing the userspace to trash kernel\nmemory. Bounds check it so the memcpy cannot overflow."}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH"}}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/infiniband/hw/mana/qp.c"], "versions": [{"version": "0266a177631d4c6b963b5b12dd986a8c5abdbf06", "lessThan": "7d7c9f0fcd19c4d2f0164347c58d49cafa961b72", "status": "affected", "versionType": "git"}, {"version": "0266a177631d4c6b963b5b12dd986a8c5abdbf06", "lessThan": "11c1431d641e0e4e0529e96957995820600c7287", "status": "affected", "versionType": "git"}, {"version": "0266a177631d4c6b963b5b12dd986a8c5abdbf06", "lessThan": "012796f9541fcd0c1fa8ae4da7eb4d83931ef838", "status": "affected", "versionType": "git"}, {"version": "0266a177631d4c6b963b5b12dd986a8c5abdbf06", "lessThan": "7d94f155f354b961c598f71bafa804dceded513f", "status": "affected", "versionType": "git"}, {"version": "0266a177631d4c6b963b5b12dd986a8c5abdbf06", "lessThan": "6dd2d4ad9c8429523b1c220c5132bd551c006425", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/infiniband/hw/mana/qp.c"], "versions": [{"version": "6.2", "status": "affected"}, {"version": "0", "lessThan": "6.2", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.141", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.88", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.30", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0.7", "lessThanOrEqual": "7.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1-rc3", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.2", "versionEndExcluding": "6.6.141"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.2", "versionEndExcluding": "6.12.88"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.2", "versionEndExcluding": "6.18.30"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.2", "versionEndExcluding": "7.0.7"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.2", "versionEndExcluding": "7.1-rc3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/7d7c9f0fcd19c4d2f0164347c58d49cafa961b72"}, {"url": "https://git.kernel.org/stable/c/11c1431d641e0e4e0529e96957995820600c7287"}, {"url": "https://git.kernel.org/stable/c/012796f9541fcd0c1fa8ae4da7eb4d83931ef838"}, {"url": "https://git.kernel.org/stable/c/7d94f155f354b961c598f71bafa804dceded513f"}, {"url": "https://git.kernel.org/stable/c/6dd2d4ad9c8429523b1c220c5132bd551c006425"}], "title": "RDMA/mana: Validate rx_hash_key_len", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/mana: Validate rx_hash_key_len\n\nSashiko points out that rx_hash_key_len comes from a uAPI structure and is\nblindly passed to memcpy, allowing the userspace to trash kernel\nmemory. Bounds check it so the memcpy cannot overflow."}], "id": "CVE-2026-46145", "lastModified": "2026-05-30T11:17:23.623", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "type": "Secondary"}]}, "published": "2026-05-28T10:16:30.110", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/012796f9541fcd0c1fa8ae4da7eb4d83931ef838"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/11c1431d641e0e4e0529e96957995820600c7287"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6dd2d4ad9c8429523b1c220c5132bd551c006425"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7d7c9f0fcd19c4d2f0164347c58d49cafa961b72"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7d94f155f354b961c598f71bafa804dceded513f"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: RDMA/mana: Validate rx_hash_key_len", "id": "2482581", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2482581"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-787", "details": ["A flaw was found in the Linux kernel's RDMA/mana component. A local user could exploit this vulnerability by providing an invalid `rx_hash_key_len` value through a user-space API (uAPI) structure. This invalid value is then used in a `memcpy` operation without proper bounds checking, allowing the user to write beyond intended memory boundaries. This can lead to kernel memory corruption, potentially resulting in privilege escalation or a denial of service (DoS)."], "name": "CVE-2026-46145", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-05-28T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-46145\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-46145\nhttps://lore.kernel.org/linux-cve-announce/2026052821-CVE-2026-46145-e347@gregkh/T"], "threat_severity": "Important"}