AMD AMD Ryzen™ 5000 Series Processors with Radeon™ Graphics

CVE-2021-26377

MEDIUM 4.1

At a glance

Source: NVD
EPSS: EPSS 0.15 % · percentile 4 (2026-10-30)
State: PUBLISHED
Published: 2025-09-06 15:18 UTC
Updated: 2025-09-08 13:47 UTC
Assigner: AMD
NVD status: Deferred

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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)

CWE-190 — Integer Overflow or Wraparound

References

Scores

Version	Score	Vector	Scored by
CVSS 3.1	MEDIUM 4.1	CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H	AMD
CVSS 3.1	MEDIUM 4.1	CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H	NVD · psirt@amd.com (Secondary)

European references

ENISA EUVD · EUVD-2021-13183
GCVE · GCVE-0-2021-26377

Affected products

Product	Versions
AMD · AMD Ryzen™ 5000 Series Processors with Radeon™ Graphics	unaffected CezannePI-FP6 1.0.0.8
AMD · AMD Ryzen™ Threadripper™ 3000 Series Processors	unaffected CastlePeakPI-SP3r3 1.0.0.7
AMD · AMD Ryzen™ Threadripper™ PRO 3000WX Series Processors	unaffected CastlePeakWSPI-sWRX8 1.0.0.9
AMD · AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics	unaffected CezannePI-FP6 1.0.0.8
AMD · AMD Ryzen™ Threadripper™ PRO 5000 WX-Series Processors	unaffected ChagallWSPI-sWRX8 1.0.0.2
AMD · AMD Ryzen™ 5000 Series Desktop Processors	unaffected ComboAM4v2 PI 1.2.0.5
AMD · AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics	unaffected PicassoPI-FP5 1.0.0.E ; unaffected PollockPI-FT5 1.0.0.4
AMD · AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics	unaffected CezannePI-FP6 1.0.0.8
AMD · AMD Ryzen™ 3000 Series Desktop Processors	unaffected ComboAM4PI 1.0.0.9/ ComboAM4 V2 PI 1.2.0.8
AMD · AMD Ryzen™ 7030 Series Mobile processors with Radeon™ Graphics	unaffected CezannePI-FP6 1.0.0.8
AMD · AMD Ryzen™ 4000 Series Desktop Processors	unaffected ComboAM4v2 PI 1.2.0.5
AMD · AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics	unaffected RenoirPI-FP6 1.0.0.8
AMD · AMD Ryzen™ 5000 Series Desktop Processors	unaffected ComboAM4 V2 PI 1.2.0.8
AMD · AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics	unaffected RembrandtPI-FP7_0.0.8.0 RC1
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 5000 Series Processors	unaffected EmbAM4PI 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
AMD · AMD Ryzen™ Embedded V3000 Series Processors	unaffected EmbeddedPI-FP7r2_1000

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD

🟡 AMD AMD Ryzen™ 5000 Series Processors with Radeon™ Graphics