CVE-2021-26367
A malicious attacker in x86 can misconfigure the Trusted Memory Regions (TMRs), which may allow the attacker to set an arbitrary address…
- Published
- Updated
- Reserved
- Assigned by
- AMD
Description
A malicious attacker in x86 can misconfigure the Trusted Memory Regions (TMRs), which may allow the attacker to set an arbitrary address range for the TMR, potentially leading to a loss of integrity and availability.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| AMDCNA (assigner) | 3.1 | Medium5.7 | CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:H |
| NVDNVD · Analyzed | 3.1 | Medium6.0 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.16% · top 95% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.7.
Weakness
- CWE-noinfo Not enough information
Affected products
AMD · AMD Ryzen™ 5000 Series Desktop Processor with Radeon™ Graphics
- unaffected ComboAM4v2 PI 1.2.0.5
AMD · AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics
- unaffected ComboAM4PI 1.0.0.9
- unaffected ComboAM4v2 PI 1.2.0.8
AMD · AMD Ryzen™ 4000 Series Desktop Processors with Radeon™ Graphics
- unaffected ComboAM4v2 PI 1.2.0.5
AMD · AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics
- unaffected PicassoPI-FP5 1.0.0.E
AMD · AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics
- unaffected PollockPI-FT5 1.0.0.4
AMD · AMD Ryzen™ 3000 Series Mobile Processor with Radeon™ Graphics
- unaffected PicassoPI-FP5 1.0.0.E
AMD · AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics
- unaffected RenoirPI-FP6 1.0.0.7
AMD · AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics
- unaffected CezannePI-FP6 1.0.0.6
AMD · AMD Ryzen™ 5000 Series Processors with Radeon™ Graphics
- unaffected CezannePI-FP6 1.0.0.6
AMD · AMD Ryzen™ 3000 Series Processors with Radeon™ Graphics
- unaffected CezannePI-FP6 1.0.0.6
AMD · AMD Ryzen™ 5000 Series Processors with Radeon™ Graphics
- unaffected CezannePI-FP6 1.0.0.6
AMD · AMD Ryzen™ 3000 Series Processors with Radeon™ Graphics
- unaffected CezannePI-FP6 1.0.0.6
AMD · AMD Radeon™ RX 6000 Series Graphics Cards
- unaffected AMD Software: Adrenalin Edition 23.12.1 (23.30.13.01)
AMD · AMD Radeon™ PRO W6000 Series Graphics Cards
- unaffected AMD Software: PRO Edition 23.Q4 (23.30.13.03)
AMD · AMD Ryzen™ Embedded R1000 Series Processors
- unaffected EmbeddedPI-FP5 1.2.0.A
AMD · AMD Ryzen™ Embedded R2000 Series Processors
- unaffected EmbeddedR2KPI-FP5 1.0.0.2
AMD · AMD Ryzen™ Embedded V1000 Series Processors
- unaffected EmbeddedPI-FP5 1.2.0.A
AMD · AMD Ryzen™ Embedded V2000 Series Processors
- unaffected EmbeddedPI-FP6 1.0.0.6
References (2)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2021-26367)Record last updated .