CVE-2023-31315
Improper validation in a model specific register (MSR) could allow a malicious program with ring0 access to modify SMM configuration while…
- Published
- Updated
- Reserved
- Assigned by
- AMD
Description
Improper validation in a model specific register (MSR) could allow a malicious program with ring0 access to modify SMM configuration while SMI lock is enabled, potentially leading to arbitrary code execution.
Timeline
ID reserved
By AMD
- 16 months later
· 16 months later
Published
- 34 days later
· 34 days 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 |
| CISA-ADPADP (enrichment) | 3.1 | Medium6.8 | CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L |
| 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)
- 0.63% · top 50% 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 · 3rd Gen AMD EPYC™ Processors
- affected various – < Milan PI 1.0.0.D
AMD · 1st Gen AMD EPYC™ Processors
- affected various – < Naples PI 1.0.0.M
AMD · 2nd Gen AMD EPYC™ Processors
- affected various – < Rome PI 1.0.0.J
AMD · 4th Gen AMD EPYC™ Processors
- unaffected various – < Genoa PI 1.0.0.C
- affected various
- affected various
- affected various
- unaffected various – < EmbGenoaPI 1.0.0.7
AMD · AMD Ryzen™ Embedded R1000
- affected various
AMD · AMD Ryzen™ Embedded R2000
- affected various
AMD · AMD Ryzen™ Embedded 5000
- affected various
AMD · AMD Ryzen™ Embedded 7000
- affected various
AMD · AMD Ryzen™ Embedded V1000
- affected various
AMD · AMD Ryzen™ Embedded V2000
- affected various
AMD · AMD Ryzen™ Embedded V3000
- affected various
AMD · AMD Ryzen™ 3000 Series Desktop Processors
- affected various
AMD · AMD Ryzen™ 5000 Series Desktop Processors
- unaffected various – < ComboAM4v2PI 1.2.0.cb
AMD · AMD Ryzen™ 5000 Series Desktop processor with Radeon™ Graphics
- unaffected various – < ComboAM4v2PI 1.2.0.cb
AMD · AMD Ryzen™ 7000 Series Desktop Processors
- affected various – < ComboAM5PI 1.2.0.1
AMD · AMD Ryzen™ 4000 Series Desktop Processors with Radeon™ Graphics
- affected various – < ComboAM4v2PI 1.2.0.cb
AMD · AMD Ryzen™ Threadripper™ 3000 Series Processors
- affected various – < CastlePeakPI-SP3r3 1.0.0.B
AMD · AMD Ryzen™ Threadripper™ PRO Processors
- affected various – < ChagallWSPI-sWRX8 1.0.0.8
- unaffected various – < CastlePeakWSPI-sWRX8 1.0.0.D
AMD · AMD Ryzen™ Threadripper™ PRO 3000WX Series Processors
- unaffected various – < ChagallWSPI-sWRX8 1.0.0.8
AMD · AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics
- unaffected various – < Picasso-FP5 1.0.1.2
- unaffected various – < PollockPI-FT5 1.0.0.8
AMD · AMD Ryzen™ 3000 Series Mobile Processor with Radeon™ Graphics
- affected various – < Picasso-FP5 1.0.1.2
AMD · AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics
- unaffected various – < RenoirPI-FP6 1.0.0.E
AMD · AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics
- unaffected various – < CezannePI-FP6 1.0.1.1
AMD · AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics
- affected various – < CezannePI-FP6
AMD · AMD Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics
- unaffected various – < PhoenixPI-FP8-FP7 1.1.0.3
AMD · AMD Ryzen™ 7045 Series Mobile Processors
- unaffected various – < DragonRangeFL1 1.0.0.3e
AMD · AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics
- unaffected various – < RembrandtPI-FP7 1.0.0.B
AMD · AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics
- affected various – < MendocinoPI-FT6 1.0.0.7
AMD · AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics
- unaffected various – < RembrandtPI-FP7 1.0.0.B
AMD · AMD Ryzen™ 8000 Series Processors with Radeon™ Graphics
- unaffected various – < ComboAM5PI 1.2.0.1
References (4)
- https://www.amd.com/en/resources/product-security/bulletin/amd-sb-7014.html (opens in a new tab)vendor-advisory
- https://www.darkreading.com/remote-workforce/amd-issues-updates-for-silicon-level-sinkclose-flaw (opens in a new tab)
- https://media.defcon.org/DEF%20CON%2032/DEF%20CON%2032%20presentations/DEF%20CON%2032%20-%20Enrique%20Nissim%20Krzysztof%20Okupski%20-%20AMD%20Sinkclose%20Universal%20Ring-2%20Privilege%20Escalation.pdf (opens in a new tab)
- https://news.ycombinator.com/item?id=41475975 (opens in a new tab)
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-2023-31315)Record last updated .