CVE-2023-31342
Improper input validation in the SMM handler may allow a privileged attacker to overwrite SMRAM, potentially leading to arbitrary code…
- Published
- Updated
- Reserved
- Assigned by
- AMD
Description
Improper input validation in the SMM handler may allow a privileged attacker to overwrite SMRAM, potentially leading to arbitrary code execution.
Timeline
ID reserved
By AMD
- 22 months later
· 22 months later
Published
- 13 months later
· 13 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| AMDCNA (assigner) | 3.1 | High7.5 | CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H |
| NVDNVD · Deferred | 3.1 | High7.5 | CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.18% · top 92% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
Affected products
AMD · AMD EPYC™ 7003 Processors
- unaffected MilanPI 1.0.0.C
AMD · AMD EPYC™ 9004 Processors
- unaffected GenoaPI 1.0.0.B
- unaffected MI300API 1.0.0.5
AMD · AMD Ryzen™ 3000 Series Desktop Processors
- unaffected ComboAM4v2PI 1.2.0.C
AMD · AMD Ryzen™ 5000 Series Desktop Processors
- unaffected ComboAM4v2PI 1.2.0.C
AMD · AMD Ryzen™ 5000 Series Desktop Processor with Radeon™ Graphics
- unaffected ComboAM4v2PI 1.2.0.C
AMD · AMD Ryzen™ 7000 Series Desktop Processors
- unaffected ComboAM5 1.1.0.2
AMD · AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics
- unaffected ComboAM4v2PI 1.2.0.C
AMD · AMD Ryzen™ 4000 Series Desktop Processor with Radeon™ Graphics
- unaffected ComboAM4v2PI 1.2.0.C
AMD · AMD Ryzen™ 8000 Series Processor with Radeon™ Graphics
- unaffected ComboAM5 1.1.0.2
AMD · AMD Ryzen™ Threadripper™ PRO 5000WX- Series Desktop Processors
- unaffected ChagallWSPI-sWRX8 1.0.0.7
AMD · AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics
- unaffected Pollock-FT5 1.0.0.7
AMD · AMD Ryzen™ 3000 Series Mobile Processor with Radeon™ Graphics
- unaffected Picasso-FP5 1.0.1.1
AMD · AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics
- unaffected RenoirPI-FP6 1.0.0.D
AMD · AMD Ryzen™ 5000 Series Processors with Radeon™ Graphics
- unaffected Cezanne-FP6 1.0.1.0
AMD · AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics
- unaffected MendocinoPI-FT6 1.0.0.6
AMD · AMD Ryzen™ 6000 Series Processor with Radeon™ Graphics
- unaffected Rembrandt-FP7 1.0.0.A
AMD · AMD Ryzen™ 7035 Series Processor with Radeon™ Graphics
- unaffected Rembrandt-FP7 1.0.0.A
AMD · AMD Ryzen™ 7040 Series Processors with Radeon™ Graphics
- unaffected PhoenixPI-FP8-FP7 1.1.0.2
AMD · AMD Ryzen™ 7000 Series Mobile Processors
- unaffected DragonRangeFL1PI 1.0.0.3C
- unaffected EmbMilanPI-SP3 1.0.0.8
- unaffected EmbGenoaPI-SP5 1.0.0.6
AMD · AMD Ryzen™ Embedded R1000
- unaffected EmbeddedPI-FP5 1.2.0.C
AMD · AMD Ryzen™ Embedded R2000
- unaffected EmbeddedR2KPI-FP5 1.0.0.3
AMD · AMD Ryzen™ Embedded 5000
- unaffected EmbAM4PI 1.0.0.5
AMD · AMD Ryzen™ Embedded 7000
- unaffected EmbeddedAM5PI 1.0.0.1
AMD · AMD Ryzen™ Embedded V2000
- unaffected EmbeddedPI-FP6 1.0.0.9
AMD · AMD Ryzen™ Embedded V3000
- unaffected Embedded-PI FP7r2 1.0.0.9
References (3)
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-2023-31342)Record last updated .