{ "schemaVersion": 1, "attribution": [ { "source": "CISA Known Exploited Vulnerabilities", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "licence": "US government work" }, { "source": "GitHub Advisory Database", "url": "https://github.com/advisories", "licence": "CC BY 4.0" }, { "source": "Have I Been Pwned", "url": "https://haveibeenpwned.com/", "licence": "CC BY 4.0" }, { "source": "CVE Program (CVE records)", "url": "https://www.cve.org/Legal/TermsOfUse", "licence": "CVE Terms of Use", "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.", "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." }, { "source": "FIRST EPSS", "url": "https://www.first.org/epss/", "licence": "free to use; FIRST requests attribution" } ], "record": { "id": "CVE-2021-26381", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2021-26381", "idYear": 2021, "status": "PUBLISHED", "publishedAt": "2026-02-10T19:47:26.356Z", "updatedAt": "2026-02-26T14:44:28.708Z", "importedAt": "2026-10-24T01:56:26.894Z", "snapshot": { "id": "cve_2026-10-24_midnight_baseline", "at": "2026-10-24T00:00:00.000Z", "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z" }, "facts": { "title": null, "summary": "Improper system call parameter validation in the Trusted OS may allow a malicious driver to perform mapping or unmapping operations on a large number of pages, potentially resulting in kernel memory corruption.", "affected": [ { "vendor": "AMD", "product": "AMD Ryzen™ Threadripper™ PRO 3000 WX-Series Processors", "defaultStatus": "affected", "versions": [ { "version": "ChagallWSPI-sWRX8 1.0.0.2/ CastlePeakWSPI-sWRX8 1.0.0.9", "status": "unaffected" } ] }, { "vendor": "AMD", "product": "AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics", "defaultStatus": "affected", "versions": [ { "version": "ComboAM4v2 PI 1.2.0.5", "status": "unaffected" } ] }, { "vendor": "AMD", "product": "AMD Ryzen™ Threadripper™ PRO 5000 WX-Series Processors", "defaultStatus": "affected", "versions": [ { "version": "ChagallWSPI-sWRX8 1.0.0.1", "status": "unaffected" } ] }, { "vendor": "AMD", "product": "AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics", "defaultStatus": "affected", "versions": [ { "version": "PicassoPI-FP5 1.0.0.E", "status": "unaffected" } ] }, { "vendor": "AMD", "product": "AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics", "defaultStatus": "affected", "versions": [ { "version": "CezannePI-FP6 1.0.0.8", "status": "unaffected" } ] }, { "vendor": "AMD", "product": "AMD Ryzen™ 3000 Series Desktop Processors", "defaultStatus": "affected", "versions": [ { "version": "ComboAM4PI 1.0.0.9/ ComboAM4 V2 PI 1.2.0.8", "status": "unaffected" } ] }, { "vendor": "AMD", "product": "AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics", "defaultStatus": "affected", "versions": [ { "version": "RenoirPI-FP6 1.0.0.8", "status": "unaffected" } ] }, { "vendor": "AMD", "product": "AMD Ryzen™ 4000 Series Desktop Processors", "defaultStatus": "affected", "versions": [ { "version": "ComboAM4v2 PI 1.2.0.5", "status": "unaffected" } ] }, { "vendor": "AMD", "product": "AMD Ryzen™ 5000 Series Desktop Processors", "defaultStatus": "affected", "versions": [ { "version": "ComboAM4 V2 PI 1.2.0.8", "status": "unaffected" } ] }, { "vendor": "AMD", "product": "AMD Ryzen™ Embedded R1000 Series Processors", "defaultStatus": "affected", "versions": [ { "version": "EmbeddedPI-FP5 1.2.0.A", "status": "unaffected" } ] }, { "vendor": "AMD", "product": "AMD Ryzen™ Embedded R2000 Series Processors", "defaultStatus": "affected", "versions": [ { "version": "EmbeddedR2KPI-FP5_1.0.0.2", "status": "unaffected" } ] }, { "vendor": "AMD", "product": "AMD Ryzen™ Embedded 5000 Series Processors", "defaultStatus": "affected", "versions": [ { "version": "EmbAM4PI 1.0.0.2", "status": "unaffected" } ] }, { "vendor": "AMD", "product": "AMD Ryzen™ Embedded V1000 Series Processors (formerly codenamed \"Raven Ridge\")", "defaultStatus": "affected", "versions": [ { "version": "EmbeddedPI-FP5 1.2.0.A", "status": "unaffected" } ] }, { "vendor": "AMD", "product": "AMD Ryzen™ Embedded V1000 Series Processors (formerly codenamed \"Picasso\")", "defaultStatus": "affected", "versions": [ { "version": "120A", "status": "unaffected" } ] }, { "vendor": "AMD", "product": "AMD Ryzen™ Embedded V2000 Series Processors", "defaultStatus": "affected", "versions": [ { "version": "EmbeddedPI-FP6_1.0.0.6", "status": "unaffected" } ] }, { "vendor": "AMD", "product": "AMD Ryzen™ Embedded V3000 Series Processors", "defaultStatus": "affected", "versions": [ { "version": "EmbeddedPI-FP7r2_0080", "status": "unaffected" } ] }, { "vendor": "AMD", "product": "AMD Radeon™ RX 5000 Series Graphics Products", "defaultStatus": "affected", "versions": [ { "version": "AMD Software: Adrenalin Edition 25.4.1 (24.30.31.08), AMD Software: PRO Edition 25.Q2(25.10.10)", "status": "unaffected" } ] }, { "vendor": "AMD", "product": "AMD Radeon™ PRO W5000 Series Graphics Products", "defaultStatus": "affected", "versions": [ { "version": "AMD Software: Adrenalin Edition 25.4.1 (24.30.31.08), AMD Software: PRO Edition 25.Q2(25.10.10)", "status": "unaffected" } ] }, { "vendor": "AMD", "product": "AMD Radeon™ PRO W6000 Series Graphics Products", "defaultStatus": "affected", "versions": [ { "version": "AMD Software: Adrenalin Edition 25.4.1 (24.30.31.08), AMD Software: PRO Edition 25.Q2(25.10.10)", "status": "unaffected" } ] }, { "vendor": "AMD", "product": "AMD Radeon™ RX 6000 Series Graphics Products", "defaultStatus": "affected", "versions": [ { "version": "AMD Software: Adrenalin Edition 25.4.1 (24.30.31.08), AMD Software: PRO Edition 25.Q2(25.10.10)", "status": "unaffected" } ] }, { "vendor": "AMD", "product": "AMD Radeon™ PRO V520", "defaultStatus": "affected", "versions": [ { "version": "Contact Your AMD Customer Engineering Represenatative", "status": "unaffected" } ] }, { "vendor": "AMD", "product": "AMD Radeon™ PRO V620", "defaultStatus": "affected", "versions": [ { "version": "Contact Your AMD Customer Engineering Represenatative", "status": "unaffected" } ] } ] } } }