{"id":"CVE-2026-43598","title":"Improper input validation in the AMD ROCm Communication Collectives Library (RCCL) could allow a compromised peer rank or network-adjacent attacker to dereference an attacker-controlled pointer, potentially resulting in remote code execu…","summary":"Improper input validation in the AMD ROCm Communication Collectives Library (RCCL) could allow a compromised peer rank or network-adjacent attacker to dereference an attacker-controlled pointer, potentially resulting in remote code execu…","severity":"high","cvss":7.7,"cvssVector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","cwe":["CWE-822"],"vendor":"AMD","product":"AMD Instinct™ MI210","affected":["instinct_mi210 (all versions)","instinct_mi250 (all versions)","instinct_mi300a (all versions)","instinct_mi300x (all versions)","instinct_mi325x (all versions)","instinct_mi350x (all versions)","instinct_mi355x (all versions)","instinct_mi308x (all versions)","instinct_mi250x (all versions)"],"published":"2026-10-06","updated":"2026-10-07","sourceUpdated":"2026-10-07T16:17:48.193","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-43598","references":[{"url":"https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-6033.html","label":"psirt@amd.com"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-43598.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-43598"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-43598"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-07T15:00:15.592344Z"},"cvssSource":"cna","scores":{"cna":7.7,"vendor":7.5},"ingestedAt":"2026-10-06T21:20:28.990Z","epss":0.0031,"epssPercentile":0.23734,"slug":"CVE-2026-43598","body":"## Overview\n\nImproper input validation in the AMD ROCm Communication Collectives Library (RCCL) could allow a compromised peer rank or network-adjacent attacker to dereference an attacker-controlled pointer, potentially resulting in remote code execution.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · updated 2026-10-06 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-43598.json)","depth":"twilight","depthScore":42,"depthScoreParts":{"impact":42.4,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}