CVE-2026-43598 - Vulnerability Details - OpenCVE

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 execution.

Attack Vector Network

Attack Complexity High

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

No data.

No data.

No data.

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-6033.html

History

Tue, 06 Oct 2026 20:30:00 +0000

Type	Values Removed	Values Added
Description		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 execution.
Weaknesses		CWE-822
References		https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-6033.html
Metrics		cvssV4_0 `{'score': 7.7, 'vector': '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'}`

Projects

Sign in to view the affected projects.

MITRE

Status: PUBLISHED

Assigner: AMD

Published: 2026-10-06T20:06:56.948Z

Updated: 2026-10-06T20:06:56.948Z

Reserved: 2026-05-01T18:15:55.867Z

Link: CVE-2026-43598

Vulnrichment

No data.

NVD

Status : Received

Published: 2026-10-06T21:17:20.680

Modified: 2026-10-06T21:17:20.680

Link: CVE-2026-43598

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-822

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-43598", "assignerOrgId": "b58fc414-a1e4-4f92-9d70-1add41838648", "state": "PUBLISHED", "assignerShortName": "AMD", "dateReserved": "2026-05-01T18:15:55.867Z", "datePublished": "2026-10-06T20:06:56.948Z", "dateUpdated": "2026-10-06T20:06:56.948Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "b58fc414-a1e4-4f92-9d70-1add41838648", "shortName": "AMD", "dateUpdated": "2026-10-06T20:06:56.948Z"}, "affected": [{"defaultStatus": "affected", "vendor": "AMD", "product": "AMD Instinct\u2122 MI210", "versions": [{"version": "ROCm 7.14", "status": "unaffected"}]}, {"defaultStatus": "affected", "vendor": "AMD", "product": "AMD Instinct\u2122 MI250", "versions": [{"version": "ROCm 7.14", "status": "unaffected"}]}, {"defaultStatus": "affected", "vendor": "AMD", "product": "AMD Instinct\u2122 MI300A", "versions": [{"version": "ROCm 7.14", "status": "unaffected"}]}, {"defaultStatus": "affected", "vendor": "AMD", "product": "AMD Instinct\u2122 MI300X", "versions": [{"version": "ROCm 7.14", "status": "unaffected"}]}, {"defaultStatus": "affected", "vendor": "AMD", "product": "AMD Instinct\u2122 MI325X", "versions": [{"version": "ROCm 7.14", "status": "unaffected"}]}, {"defaultStatus": "affected", "vendor": "AMD", "product": "AMD Instinct\u2122 MI350X", "versions": [{"version": "ROCm 7.14", "status": "unaffected"}]}, {"defaultStatus": "affected", "vendor": "AMD", "product": "AMD Instinct\u2122 MI355X", "versions": [{"version": "ROCm 7.14", "status": "unaffected"}]}, {"defaultStatus": "affected", "vendor": "AMD", "product": "AMD Instinct\u2122 MI308X", "versions": [{"version": "ROCm 7.14", "status": "unaffected"}]}, {"defaultStatus": "affected", "vendor": "AMD", "product": "AMD Instinct\u2122 MI250X", "versions": [{"version": "ROCm 7.14", "status": "unaffected"}]}], "datePublic": "2026-10-06T20:06:41.872Z", "descriptions": [{"lang": "en", "value": "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 execution.", "supportingMedia": [{"base64": false, "type": "text/html", "value": "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 execution.<br>"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-822", "description": "CWE-822 Untrusted Pointer Dereference", "lang": "en", "type": "CWE"}]}], "references": [{"url": "https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-6033.html"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "AMD PSIRT Automation 1.0"}, "metrics": [{"cvssV4_0": {"version": "4.0", "vectorString": "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", "attackVector": "NETWORK", "attackComplexity": "HIGH", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 7.7, "baseSeverity": "HIGH"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}]}}}

{"affected": [{"affectedData": [{"defaultStatus": "affected", "product": "AMD Instinct\u2122 MI210", "vendor": "AMD", "versions": [{"status": "unaffected", "version": "ROCm 7.14"}]}, {"defaultStatus": "affected", "product": "AMD Instinct\u2122 MI250", "vendor": "AMD", "versions": [{"status": "unaffected", "version": "ROCm 7.14"}]}, {"defaultStatus": "affected", "product": "AMD Instinct\u2122 MI300A", "vendor": "AMD", "versions": [{"status": "unaffected", "version": "ROCm 7.14"}]}, {"defaultStatus": "affected", "product": "AMD Instinct\u2122 MI300X", "vendor": "AMD", "versions": [{"status": "unaffected", "version": "ROCm 7.14"}]}, {"defaultStatus": "affected", "product": "AMD Instinct\u2122 MI325X", "vendor": "AMD", "versions": [{"status": "unaffected", "version": "ROCm 7.14"}]}, {"defaultStatus": "affected", "product": "AMD Instinct\u2122 MI350X", "vendor": "AMD", "versions": [{"status": "unaffected", "version": "ROCm 7.14"}]}, {"defaultStatus": "affected", "product": "AMD Instinct\u2122 MI355X", "vendor": "AMD", "versions": [{"status": "unaffected", "version": "ROCm 7.14"}]}, {"defaultStatus": "affected", "product": "AMD Instinct\u2122 MI308X", "vendor": "AMD", "versions": [{"status": "unaffected", "version": "ROCm 7.14"}]}, {"defaultStatus": "affected", "product": "AMD Instinct\u2122 MI250X", "vendor": "AMD", "versions": [{"status": "unaffected", "version": "ROCm 7.14"}]}], "source": "[email protected]"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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 execution."}], "id": "CVE-2026-43598", "lastModified": "2026-10-06T21:17:20.680", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "HIGH", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 7.7, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "[email protected]", "type": "Secondary"}]}, "published": "2026-10-06T21:17:20.680", "references": [{"source": "[email protected]", "url": "https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-6033.html"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-822"}], "source": "[email protected]", "type": "Secondary"}]}