CVE-2021-46750 (GCVE-0-2021-46750)
Vulnerability from cvelistv5
Published
2025-09-06 16:03
Modified
2025-09-08 13:45
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-190 - Integer Overflow or Wraparound
Summary
Failure to validate the address and size in TEE (Trusted Execution Environment) may allow a malicious x86 attacker to send malformed messages to the graphics mailbox resulting in an overlap of a TMR (Trusted Memory Region) that was previously allocated by the ASP bootloader leading to a potential loss of integrity.
References
Impacted products
{ "containers": { "adp": [ { "metrics": [ { "other": { "content": { "id": "CVE-2021-46750", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "timestamp": "2025-09-08T13:44:54.633621Z", "version": "2.0.3" }, "type": "ssvc" } } ], "providerMetadata": { "dateUpdated": "2025-09-08T13:45:05.234Z", "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP" }, "title": "CISA ADP Vulnrichment" } ], "cna": { "affected": [ { "defaultStatus": "affected", "product": "AMD Athlon\u2122 3000 Series Mobile Processors with Radeon\u2122 Graphics", "vendor": "AMD", "versions": [ { "status": "unaffected", "version": "PicassoPI-FP5 1.0.0.E" } ] }, { "defaultStatus": "affected", "product": "AMD Ryzen\u2122 3000 Series Mobile Processors with Radeon\u2122 Graphics", "vendor": "AMD", "versions": [ { "status": "unaffected", "version": "PicassoPI-FP5 1.0.0.E" } ] }, { "defaultStatus": "affected", "product": "AMD Ryzen\u2122 7035 Series Processors with Radeon\u2122 Graphics", "vendor": "AMD", "versions": [ { "status": "unaffected", "version": "RembrandtPI-FP7_0.0.8.0 RC1" } ] }, { "defaultStatus": "affected", "product": "AMD Ryzen\u2122 4000 Series Mobile Processors with Radeon\u2122 Graphics", "vendor": "AMD", "versions": [ { "status": "unaffected", "version": "RenoirPI-FP6 1.0.0.8" } ] }, { "defaultStatus": "affected", "product": "AMD Ryzen\u2122 6000 Series Processors with Radeon\u2122 Graphics", "vendor": "AMD", "versions": [ { "status": "unaffected", "version": "RembrandtPI-FP7_0.0.8.0 RC1" } ] }, { "defaultStatus": "affected", "product": "AMD Ryzen\u2122 7030 Series Mobile Processors with Radeon\u2122 Graphics", "vendor": "AMD", "versions": [ { "status": "unaffected", "version": "CezannePI-FP6 1.0.0.8" } ] }, { "defaultStatus": "affected", "product": "AMD Ryzen\u2122 5000 Series Mobile Processors with Radeon\u2122 Graphics", "vendor": "AMD", "versions": [ { "status": "unaffected", "version": "CezannePI-FP6 1.0.0.8" } ] }, { "defaultStatus": "affected", "product": "AMD Ryzen\u2122 4000 Series Desktop Processors", "vendor": "AMD", "versions": [ { "status": "unaffected", "version": "ComboAM4v2 PI 1.2.0.5" } ] }, { "defaultStatus": "affected", "product": "AMD Ryzen\u2122 Embedded R1000 Series Processors", "vendor": "AMD", "versions": [ { "status": "unaffected", "version": "EmbeddedPI-FP5_1.2.0.A" } ] }, { "defaultStatus": "affected", "product": "AMD Ryzen\u2122 Embedded R2000 Series Processors", "vendor": "AMD", "versions": [ { "status": "unaffected", "version": "EmbeddedR2KPI-FP5_1.0.0.2" } ] }, { "defaultStatus": "affected", "product": "AMD Ryzen\u2122 Embedded V1000 Series Processors", "vendor": "AMD", "versions": [ { "status": "unaffected", "version": "EmbeddedPI-FP5_1.2.0.A" } ] }, { "defaultStatus": "affected", "product": "AMD Ryzen\u2122 Embedded V2000 Series Processors", "vendor": "AMD", "versions": [ { "status": "unaffected", "version": "EmbeddedPI-FP6_1.0.0.6" } ] }, { "defaultStatus": "affected", "product": "AMD Ryzen\u2122 Embedded V3000 Series", "vendor": "AMD", "versions": [ { "status": "unaffected", "version": "EmbeddedPI-FP7r2_1000" } ] }, { "defaultStatus": "affected", "product": "AMD Radeon\u2122 RX 6000 Series Graphics Products", "vendor": "AMD", "versions": [ { "status": "unaffected", "version": "AMD Software: Adrenalin Edition 23.12.1 (23.30.13.01)" } ] }, { "defaultStatus": "affected", "product": "AMD Radeon\u2122 PRO W6000 Series Graphics Products", "vendor": "AMD", "versions": [ { "status": "unaffected", "version": "AMD Software: PRO Edition 23.Q4 (23.30.13.03)" } ] }, { "defaultStatus": "affected", "product": "AMD Radeon\u2122 PRO V620 Graphics Products", "vendor": "AMD", "versions": [ { "status": "unaffected", "version": "Contact your AMD Customer Engineering representative" } ] } ], "datePublic": "2025-09-06T15:42:00.000Z", "descriptions": [ { "lang": "en", "supportingMedia": [ { "base64": false, "type": "text/html", "value": "Failure to validate the address and size in TEE (Trusted Execution Environment) may allow a malicious x86 attacker to send malformed messages to the graphics mailbox resulting in an overlap of a TMR (Trusted Memory Region) that was previously allocated by the ASP bootloader leading to a potential loss of integrity.\u003cbr\u003e" } ], "value": "Failure to validate the address and size in TEE (Trusted Execution Environment) may allow a malicious x86 attacker to send malformed messages to the graphics mailbox resulting in an overlap of a TMR (Trusted Memory Region) that was previously allocated by the ASP bootloader leading to a potential loss of integrity." } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 3, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N", "version": "3.1" }, "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ] } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-190", "description": "CWE-190 Integer Overflow or Wraparound", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2025-09-06T16:03:55.584Z", "orgId": "b58fc414-a1e4-4f92-9d70-1add41838648", "shortName": "AMD" }, "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" } } }, "cveMetadata": { "assignerOrgId": "b58fc414-a1e4-4f92-9d70-1add41838648", "assignerShortName": "AMD", "cveId": "CVE-2021-46750", "datePublished": "2025-09-06T16:03:55.584Z", "dateReserved": "2022-03-31T16:50:27.866Z", "dateUpdated": "2025-09-08T13:45:05.234Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "vulnerability-lookup:meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2021-46750\",\"sourceIdentifier\":\"psirt@amd.com\",\"published\":\"2025-09-06T16:15:30.783\",\"lastModified\":\"2025-09-08T16:25:38.810\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Failure to validate the address and size in TEE (Trusted Execution Environment) may allow a malicious x86 attacker to send malformed messages to the graphics mailbox resulting in an overlap of a TMR (Trusted Memory Region) that was previously allocated by the ASP bootloader leading to a potential loss of integrity.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"psirt@amd.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N\",\"baseScore\":3.0,\"baseSeverity\":\"LOW\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"HIGH\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":0.5,\"impactScore\":2.5}]},\"weaknesses\":[{\"source\":\"psirt@amd.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-190\"}]}],\"references\":[{\"url\":\"https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-4012.html\",\"source\":\"psirt@amd.com\"},{\"url\":\"https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-5007.html\",\"source\":\"psirt@amd.com\"},{\"url\":\"https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-6018.html\",\"source\":\"psirt@amd.com\"}]}}", "vulnrichment": { "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2021-46750\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-09-08T13:44:54.633621Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-09-08T13:44:59.165Z\"}}], \"cna\": {\"source\": {\"discovery\": \"UNKNOWN\"}, \"metrics\": [{\"format\": \"CVSS\", \"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 3, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"LOW\", \"vectorString\": \"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N\", \"integrityImpact\": \"LOW\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"HIGH\", \"availabilityImpact\": \"NONE\", \"privilegesRequired\": \"HIGH\", \"confidentialityImpact\": \"LOW\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"vendor\": \"AMD\", \"product\": \"AMD Athlon\\u2122 3000 Series Mobile Processors with Radeon\\u2122 Graphics\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"PicassoPI-FP5 1.0.0.E\"}], \"defaultStatus\": \"affected\"}, {\"vendor\": \"AMD\", \"product\": \"AMD Ryzen\\u2122 3000 Series Mobile Processors with Radeon\\u2122 Graphics\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"PicassoPI-FP5 1.0.0.E\"}], \"defaultStatus\": \"affected\"}, {\"vendor\": \"AMD\", \"product\": \"AMD Ryzen\\u2122 7035 Series Processors with Radeon\\u2122 Graphics\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"RembrandtPI-FP7_0.0.8.0 RC1\"}], \"defaultStatus\": \"affected\"}, {\"vendor\": \"AMD\", \"product\": \"AMD Ryzen\\u2122 4000 Series Mobile Processors with Radeon\\u2122 Graphics\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"RenoirPI-FP6 1.0.0.8\"}], \"defaultStatus\": \"affected\"}, {\"vendor\": \"AMD\", \"product\": \"AMD Ryzen\\u2122 6000 Series Processors with Radeon\\u2122 Graphics\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"RembrandtPI-FP7_0.0.8.0 RC1\"}], \"defaultStatus\": \"affected\"}, {\"vendor\": \"AMD\", \"product\": \"AMD Ryzen\\u2122 7030 Series Mobile Processors with Radeon\\u2122 Graphics\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"CezannePI-FP6 1.0.0.8\"}], \"defaultStatus\": \"affected\"}, {\"vendor\": \"AMD\", \"product\": \"AMD Ryzen\\u2122 5000 Series Mobile Processors with Radeon\\u2122 Graphics\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"CezannePI-FP6 1.0.0.8\"}], \"defaultStatus\": \"affected\"}, {\"vendor\": \"AMD\", \"product\": \"AMD Ryzen\\u2122 4000 Series Desktop Processors\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"ComboAM4v2 PI 1.2.0.5\"}], \"defaultStatus\": \"affected\"}, {\"vendor\": \"AMD\", \"product\": \"AMD Ryzen\\u2122 Embedded R1000 Series Processors\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"EmbeddedPI-FP5_1.2.0.A\"}], \"defaultStatus\": \"affected\"}, {\"vendor\": \"AMD\", \"product\": \"AMD Ryzen\\u2122 Embedded R2000 Series Processors\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"EmbeddedR2KPI-FP5_1.0.0.2\"}], \"defaultStatus\": \"affected\"}, {\"vendor\": \"AMD\", \"product\": \"AMD Ryzen\\u2122 Embedded V1000 Series Processors\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"EmbeddedPI-FP5_1.2.0.A\"}], \"defaultStatus\": \"affected\"}, {\"vendor\": \"AMD\", \"product\": \"AMD Ryzen\\u2122 Embedded V2000 Series Processors\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"EmbeddedPI-FP6_1.0.0.6\"}], \"defaultStatus\": \"affected\"}, {\"vendor\": \"AMD\", \"product\": \"AMD Ryzen\\u2122 Embedded V3000 Series\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"EmbeddedPI-FP7r2_1000\"}], \"defaultStatus\": \"affected\"}, {\"vendor\": \"AMD\", \"product\": \"AMD Radeon\\u2122 RX 6000 Series Graphics Products\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"AMD Software: Adrenalin Edition 23.12.1 (23.30.13.01)\"}], \"defaultStatus\": \"affected\"}, {\"vendor\": \"AMD\", \"product\": \"AMD Radeon\\u2122 PRO W6000 Series Graphics Products\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"AMD Software: PRO Edition 23.Q4 (23.30.13.03)\"}], \"defaultStatus\": \"affected\"}, {\"vendor\": \"AMD\", \"product\": \"AMD Radeon\\u2122 PRO V620 Graphics Products\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"Contact your AMD Customer Engineering representative\"}], \"defaultStatus\": \"affected\"}], \"datePublic\": \"2025-09-06T15:42:00.000Z\", \"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\"}], \"x_generator\": {\"engine\": \"AMD PSIRT Automation 1.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"Failure to validate the address and size in TEE (Trusted Execution Environment) may allow a malicious x86 attacker to send malformed messages to the graphics mailbox resulting in an overlap of a TMR (Trusted Memory Region) that was previously allocated by the ASP bootloader leading to a potential loss of integrity.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"Failure to validate the address and size in TEE (Trusted Execution Environment) may allow a malicious x86 attacker to send malformed messages to the graphics mailbox resulting in an overlap of a TMR (Trusted Memory Region) that was previously allocated by the ASP bootloader leading to a potential loss of integrity.\u003cbr\u003e\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-190\", \"description\": \"CWE-190 Integer Overflow or Wraparound\"}]}], \"providerMetadata\": {\"orgId\": \"b58fc414-a1e4-4f92-9d70-1add41838648\", \"shortName\": \"AMD\", \"dateUpdated\": \"2025-09-06T16:03:55.584Z\"}}}", "cveMetadata": "{\"cveId\": \"CVE-2021-46750\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-09-08T13:45:05.234Z\", \"dateReserved\": \"2022-03-31T16:50:27.866Z\", \"assignerOrgId\": \"b58fc414-a1e4-4f92-9d70-1add41838648\", \"datePublished\": \"2025-09-06T16:03:55.584Z\", \"assignerShortName\": \"AMD\"}", "dataType": "CVE_RECORD", "dataVersion": "5.1" } } }
Loading…
Loading…
Sightings
Author | Source | Type | Date |
---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
Loading…