CVE-2021-26380 json
A compromised Trusted OS (TOS) driver could issue a malformed call that could potentially allow memory access outside the intended range re…
published 5mo ago modified 4mo ago also EUVD-2021-13186
- cvss
- 1.8
- version 4.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.1%
- EPSS 0.1% chance of exploitation in 30 days, percentile 0%
- public exploits
- 0
- none known
Summary
A compromised Trusted OS (TOS) driver could issue a malformed call that could potentially allow memory access outside the intended range resulting in loss of integrity.
Patch / fix
- AMD AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics ComboAM4v2 PI 1.2.0.5
- AMD AMD Ryzen™ Threadripper™ PRO 5000 WX-Series Processors ChagallWSPI-sWRX8 1.0.0.2
- AMD AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics CezannePI-FP6 1.0.0.6
- AMD AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics PicassoPI-FP5 1.0.0.E
- AMD AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics CezannePI-FP6 1.0.0.6
- AMD AMD Ryzen™ 3000 Series Desktop Processors ComboAM4PI 1.0.0.9/ ComboAM4 V2 PI 1.2.0.8
- AMD AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics ComboAM4v2 PI 1.2.0.8
- AMD AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics RenoirPI-FP6 1.0.0.7
- AMD AMD Ryzen™ 4000 Series Desktop Processors ComboAM4v2 PI 1.2.0.5
- AMD AMD Ryzen™ 5000 Series Desktop Processors ComboAM4 V2 PI 1.2.0.8
- AMD AMD Ryzen™ Embedded R1000 Series Processors EmbeddedPI-FP5_1.2.0.A
- AMD AMD Ryzen™ Embedded R2000 Series Processors EmbeddedR2KPI-FP5_1.0.0.2
- AMD AMD Ryzen™ Embedded 5000 Series Processors EmbAM4PI 1.0.0.2
- AMD AMD Ryzen™ Embedded V1000 Series Processors (formerly codenamed "Raven Ridge") EmbeddedPI-FP5_1.2.0.A
- AMD AMD Ryzen™ Embedded V1000 Series Processors (formerly codenamed "Picasso") 120A
- AMD AMD Ryzen™ Embedded V2000 Series Processors EmbeddedPI-FP6_1.0.0.6
- AMD AMD Ryzen™ Embedded V3000 Series Processors EmbeddedPI-FP7r2_0080
- AMD AMD Radeon™ RX 5000 Series Graphics Products AMD Software: Adrenalin Edition 25.10.2 (25.10.33.02 RDNA1/RDNA2)
- AMD AMD Radeon™ PRO W5000 Series Graphics Products AMD Software: PRO Edition 25.Q3.1 (25.10.32 RDNA)
- AMD AMD Radeon™ RX 6000 Series Graphics Products AMD Software: Adrenalin Edition 25.10.2 (25.10.33.02 RDNA1/RDNA2)
- AMD AMD Radeon™ RX Vega Series Graphics Cards AMD Software: Adrenalin Edition 25.8.1 (23.19.23.11 pre-RDNA)
- AMD AMD Radeon™ VII AMD Software: Adrenalin Edition 25.8.1 (23.19.23.11 pre-RDNA)
- AMD AMD Radeon™ PRO W6000 Series Graphics Products AMD Software: PRO Edition 25.Q3.1 (25.10.32 RDNA)
- AMD AMD Radeon™ PRO WX 8000/9000 Series Graphics Cards AMD Software: PRO Edition 25.Q3 (23.19.23.11 pre-RDNA)
- AMD AMD Radeon™ PRO VII AMD Software: PRO Edition 25.Q3 (23.19.23.11 pre-RDNA)
Is CVE-2021-26380 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 5mo ago
Exploit prediction
0.10% chance of exploitation in the next 30 days, higher than 0% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 1.8 | CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N |
| CNA | 4.0 | 1.8 | CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:L/VI:L/VA:N/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 |
Affected products
- AMD AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics
- AMD AMD Ryzen™ Threadripper™ PRO 5000 WX-Series Processors
- AMD AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics
- AMD AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics
- AMD AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics
- AMD AMD Ryzen™ 3000 Series Desktop Processors
- AMD AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics
- AMD AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics
- AMD AMD Ryzen™ 4000 Series Desktop Processors
- AMD AMD Ryzen™ 5000 Series Desktop Processors
- AMD AMD Ryzen™ Embedded R1000 Series Processors
- AMD AMD Ryzen™ Embedded R2000 Series Processors
- AMD AMD Ryzen™ Embedded 5000 Series Processors
- AMD AMD Ryzen™ Embedded V1000 Series Processors (formerly codenamed "Raven Ridge")
- AMD AMD Ryzen™ Embedded V1000 Series Processors (formerly codenamed "Picasso")
- AMD AMD Ryzen™ Embedded V2000 Series Processors
- AMD AMD Ryzen™ Embedded V3000 Series Processors
- AMD AMD Radeon™ RX 5000 Series Graphics Products
- AMD AMD Radeon™ PRO W5000 Series Graphics Products
- AMD AMD Radeon™ RX 6000 Series Graphics Products
- AMD AMD Radeon™ RX Vega Series Graphics Cards
- AMD AMD Radeon™ VII
- AMD AMD Radeon™ PRO W6000 Series Graphics Products
- AMD AMD Radeon™ PRO WX 8000/9000 Series Graphics Cards
- AMD AMD Radeon™ PRO VII
- AMD AMD Radeon™ Instinct™ MI25
- AMD AMD Radeon™ PRO V520
- AMD AMD Radeon™ PRO V620
Classification
- Weakness
-
- CWE-190 Integer Overflow or Wraparound
References
Sources
- CVE List CVE-2021-26380
- NVD CVE-2021-26380
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.