CVE-2021-26377 - Vulnerability Details - OpenCVE

Insufficient parameter validation while allocating process space in the Trusted OS (TOS) may allow for a malicious userspace process to trigger an integer overflow, leading to a potential denial of service.

No CVSS v4.0

Attack Vector Local

Attack Complexity High

Privileges Required High

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

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.

References

Link	Providers
https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-4012.html
https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-5007.html
https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-6018.html

History

Sat, 06 Sep 2025 15:30:00 +0000

Type	Values Removed	Values Added
Description		Insufficient parameter validation while allocating process space in the Trusted OS (TOS) may allow for a malicious userspace process to trigger an integer overflow, leading to a potential denial of service.
Weaknesses		CWE-190
References		https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-4012.html https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-5007.html https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-6018.html
Metrics		cvssV3_1 `{'score': 4.1, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H'}`

MITRE

Status: PUBLISHED

Assigner: AMD

Published: 2025-09-06T15:18:56.502Z

Updated: 2025-09-06T15:18:56.502Z

Reserved: 2021-01-29T21:24:26.157Z

Link: CVE-2021-26377

Vulnrichment

No data.

NVD

Status : Received

Published: 2025-09-06T16:15:29.973

Modified: 2025-09-06T16:15:29.973

Link: CVE-2021-26377

Redhat

No data.

OpenCVE Enrichment

No data.

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2021-26377", "assignerOrgId": "b58fc414-a1e4-4f92-9d70-1add41838648", "state": "PUBLISHED", "assignerShortName": "AMD", "dateReserved": "2021-01-29T21:24:26.157Z", "datePublished": "2025-09-06T15:18:56.502Z", "dateUpdated": "2025-09-06T15:18:56.502Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "b58fc414-a1e4-4f92-9d70-1add41838648", "shortName": "AMD", "dateUpdated": "2025-09-06T15:18:56.502Z"}, "affected": [{"defaultStatus": "affected", "vendor": "AMD", "product": "AMD Ryzen\u2122 5000 Series Processors with Radeon\u2122 Graphics", "versions": [{"version": "CezannePI-FP6 1.0.0.8", "status": "unaffected"}]}, {"defaultStatus": "affected", "vendor": "AMD", "product": "AMD Ryzen\u2122 Threadripper\u2122 3000 Series Processors", "versions": [{"version": "CastlePeakPI-SP3r3 1.0.0.7", "status": "unaffected"}]}, {"defaultStatus": "affected", "vendor": "AMD", "product": "AMD Ryzen\u2122 Threadripper\u2122 PRO 3000WX Series Processors", "versions": [{"version": "CastlePeakWSPI-sWRX8 1.0.0.9", "status": "unaffected"}]}, {"defaultStatus": "affected", "vendor": "AMD", "product": "AMD Ryzen\u2122 5000 Series Mobile Processors with Radeon\u2122 Graphics", "versions": [{"version": "CezannePI-FP6 1.0.0.8", "status": "unaffected"}]}, {"defaultStatus": "affected", "vendor": "AMD", "product": "AMD Ryzen\u2122 Threadripper\u2122 PRO 5000 WX-Series Processors", "versions": [{"version": "ChagallWSPI-sWRX8 1.0.0.2", "status": "unaffected"}]}, {"defaultStatus": "affected", "vendor": "AMD", "product": "AMD Ryzen\u2122 5000 Series Desktop Processors", "versions": [{"version": "ComboAM4v2 PI 1.2.0.5", "status": "unaffected"}]}, {"defaultStatus": "affected", "vendor": "AMD", "product": "AMD Athlon\u2122 3000 Series Mobile Processors with Radeon\u2122 Graphics", "versions": [{"version": "PicassoPI-FP5 1.0.0.E", "status": "unaffected"}, {"version": "PollockPI-FT5 1.0.0.4", "status": "unaffected"}]}, {"defaultStatus": "affected", "vendor": "AMD", "product": "AMD Ryzen\u2122 5000 Series Mobile Processors with Radeon\u2122 Graphics", "versions": [{"version": "CezannePI-FP6 1.0.0.8", "status": "unaffected"}]}, {"defaultStatus": "affected", "vendor": "AMD", "product": "AMD Ryzen\u2122 3000 Series Desktop Processors", "versions": [{"version": "ComboAM4PI 1.0.0.9/ ComboAM4 V2 PI 1.2.0.8", "status": "unaffected"}]}, {"defaultStatus": "affected", "vendor": "AMD", "product": "AMD Ryzen\u2122 7030 Series Mobile processors with Radeon\u2122 Graphics", "versions": [{"version": "CezannePI-FP6 1.0.0.8", "status": "unaffected"}]}, {"defaultStatus": "affected", "vendor": "AMD", "product": "AMD Ryzen\u2122 4000 Series Desktop Processors", "versions": [{"version": "ComboAM4v2 PI 1.2.0.5", "status": "unaffected"}]}, {"defaultStatus": "affected", "vendor": "AMD", "product": "AMD Ryzen\u2122 4000 Series Mobile Processors with Radeon\u2122 Graphics", "versions": [{"version": "RenoirPI-FP6 1.0.0.8", "status": "unaffected"}]}, {"defaultStatus": "affected", "vendor": "AMD", "product": "AMD Ryzen\u2122 5000 Series Desktop Processors", "versions": [{"version": "ComboAM4 V2 PI 1.2.0.8", "status": "unaffected"}]}, {"defaultStatus": "affected", "vendor": "AMD", "product": "AMD Ryzen\u2122 6000 Series Processors with Radeon\u2122 Graphics", "versions": [{"version": "RembrandtPI-FP7_0.0.8.0 RC1", "status": "unaffected"}]}, {"defaultStatus": "affected", "vendor": "AMD", "product": "AMD Ryzen\u2122 Embedded R1000 Series Processors", "versions": [{"version": "EmbeddedPI-FP5_1.2.0.A", "status": "unaffected"}]}, {"defaultStatus": "affected", "vendor": "AMD", "product": "AMD Ryzen\u2122 Embedded R2000 Series Processors", "versions": [{"version": "EmbeddedR2KPI-FP5_1.0.0.2", "status": "unaffected"}]}, {"defaultStatus": "affected", "vendor": "AMD", "product": "AMD Ryzen\u2122 Embedded 5000 Series Processors", "versions": [{"version": "EmbAM4PI 1.0.0.2", "status": "unaffected"}]}, {"defaultStatus": "affected", "vendor": "AMD", "product": "AMD Ryzen\u2122 Embedded V1000 Series Processors", "versions": [{"version": "EmbeddedPI-FP5_1.2.0.A", "status": "unaffected"}]}, {"defaultStatus": "affected", "vendor": "AMD", "product": "AMD Ryzen\u2122 Embedded V2000 Series Processors", "versions": [{"version": "EmbeddedPI-FP6_1.0.0.6", "status": "unaffected"}]}, {"defaultStatus": "affected", "vendor": "AMD", "product": "AMD Ryzen\u2122 Embedded V3000 Series Processors", "versions": [{"version": "EmbeddedPI-FP7r2_1000", "status": "unaffected"}]}, {"defaultStatus": "affected", "vendor": "AMD", "product": "AMD Radeon\u2122 RX 5000 Series Graphics Products", "versions": [{"version": "AMD Software: Adrenalin Edition 24.7.1 (24.10.29.01)", "status": "unaffected"}, {"version": "AMD Software: PRO Edition 24.Q2 (24.10.20)", "status": "unaffected"}]}, {"defaultStatus": "affected", "vendor": "AMD", "product": "AMD Radeon\u2122 PRO W5000 Series Graphics Products", "versions": [{"version": "AMD Software: PRO Edition 24.Q2 (24.10.20)", "status": "unaffected"}]}, {"defaultStatus": "affected", "vendor": "AMD", "product": "AMD Radeon\u2122 RX 6000 Series Graphics Products", "versions": [{"version": "AMD Software: Adrenalin Edition 24.7.1 (24.10.29.01)", "status": "unaffected"}, {"version": "AMD Software: PRO Edition 24.Q2 (24.10.20)", "status": "unaffected"}]}, {"defaultStatus": "affected", "vendor": "AMD", "product": "AMD Radeon\u2122 PRO W6000 Series Graphics Products", "versions": [{"version": "AMD Software: PRO Edition 24.Q2 (24.10.20)", "status": "unaffected"}]}, {"defaultStatus": "affected", "vendor": "AMD", "product": "AMD Radeon\u2122 Instinct\u2122 MI25 Graphics Products", "versions": [{"version": "Contact your AMD Customer Engineering representative", "status": "unaffected"}]}, {"defaultStatus": "affected", "vendor": "AMD", "product": "AMD Radeon\u2122 PRO V520 Graphics Products", "versions": [{"version": "Contact your AMD Customer Engineering representative", "status": "unaffected"}]}, {"defaultStatus": "affected", "vendor": "AMD", "product": "AMD Radeon\u2122 PRO V620 Graphics Products", "versions": [{"version": "Contact your AMD Customer Engineering representative", "status": "unaffected"}]}], "datePublic": "2025-09-06T14:57:52.467Z", "descriptions": [{"lang": "en", "value": "Insufficient parameter validation while allocating process space in the Trusted OS (TOS) may allow for a malicious userspace process to trigger an integer overflow, leading to a potential denial of service.", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Insufficient parameter validation while allocating process space in the Trusted OS (TOS) may allow for a malicious userspace process to trigger an integer overflow, leading to a potential denial of service.\r\n<br>"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-190", "description": "CWE-190 Integer Overflow or Wraparound", "lang": "en", "type": "CWE"}]}], "references": [{"url": "https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-4012.html"}, {"url": "https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-6018.html"}, {"url": "https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-5007.html"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "AMD PSIRT Automation 1.0"}, "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H", "attackVector": "LOCAL", "attackComplexity": "HIGH", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 4.1, "baseSeverity": "MEDIUM"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}]}}}