SMM Lock Bypass
AMD ID: AMD-SB-7014
Potential Impact: Arbitrary Code Execution
Severity: High
Summary
Researchers from IOActive have reported that it may be possible for an attacker with ring 0 access to modify the configuration of System Management Mode (SMM) even when SMM Lock is enabled.
CVE Details
Refer to Glossary for explanation of terms
CVE |
CVSS |
CVE Description |
CVE-2023-31315 |
7.5 (High) AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H |
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. |
Affected Products and Mitigation
The Platform Initialization (PI) versions listed below have been or will be released to the Original Equipment Manufacturers (OEM) to mitigate these issues. Please refer to your OEM for the BIOS update specific to your product.
Data Center
1st Gen AMD EPYC™ Processors formerly codenamed "Naples"
AMD plans to release the Platform Initialization (PI) firmware version indicated below.
For some CVEs, there may be alternative mitigation options provided as noted in Mitigation Option 2, including microcode and/or other patches.
CVE |
Mitigation Option 1 |
Mitigation Option 2 |
||
CVE-2023-31315 |
7.5 (High) |
Platform Initialization (PI)(Requires FW flash) |
μcode (Hot loadable) |
|
Code Name |
CPUID |
Naples PI 1.0.0.M (2024-06-06) |
Version |
|
Naples |
0x00800F12 |
0x0800126F |
2024-05-03 |
|
2nd Gen AMD EPYC™ Processors formerly codenamed "Rome"
AMD plans to release the Platform Initialization (PI) firmware version indicated below.
For some CVEs, there may be alternative mitigation options provided as noted in Mitigation Option 2, including microcode and/or other patches.
CVE |
Mitigation Option 1 |
Mitigation Option 2 |
||
CVE-2023-31315 |
7.5 (High) |
Platform Initialization (PI) (Requires FW flash) |
μcode (Hot loadable) |
|
Code Name |
CPUID |
Rome PI 1.0.0.J (2024-06-20) |
Version |
|
Rome |
0x00830F10 |
0x0830107C |
2024-05-03 |
|
3rd Gen AMD EPYC™ Processors formerly codenamed “Milan" and “Milan-X”
AMD plans to release the Platform Initialization (PI) firmware version indicated below.
For some CVEs, there may be alternative mitigation options provided as noted in Mitigation Option 2, including microcode and/or other patches.
CVE |
Mitigation Option 1 |
Mitigation Option 2 |
||
CVE-2023-31315 |
7.5 (High) |
Platform (Requires FW flash) |
μcode |
|
Code Name |
CPUID |
Milan PI 1.0.0.D |
Version |
|
Milan |
0x00A00F11 |
0x0A0011D5 |
2024-05-03 |
|
Milan-X |
0x00A00F12 |
0x0A001238 |
||
4th Gen AMD EPYC™ Processors formerly codenamed "Genoa", “Genoa-X”, “Bergamo”, and “Siena”
AMD recommends updating to the Platform Initialization (PI) firmware version indicated below.
For some CVEs, there may be alternative mitigation options provided as noted in Mitigation Option 2, including microcode and/or other patches.
CVE |
Mitigation Option 1 |
Mitigation Option 2 |
||
CVE-2023-31315 |
7.5 (High) |
Platform (Requires FW flash) |
μcode (Hot loadable) |
|
Code Name |
CPUID |
Genoa PI 1.0.0.C (2024-04-04) |
Version |
|
Genoa |
0x00A10F11 |
0x0A101148 |
2024-05-03 |
|
Genoa-X |
0x00A10F12 |
0x0A101248 |
||
Bergamo/Siena |
0x00AA0F02 |
0x0AA00215 |
||
DATA CENTER GRAPHICS
| CVE |
AMD Instinct™ MI300A |
CVE-2023-31315 |
MI300 SR5 PI 1.0.0.2 (2024-05-15) |
EMBEDDED PROCESSORS
CVE |
AMD EPYC™ Embedded 3000 | AMD EPYC™ Embedded 7002 | AMD EPYC™ Embedded 7003 | AMD EPYC™ Embedded 9003 |
CVE-2023-31315 |
SnowyOwl PI 1.1.0.D (2024-10-30) |
EmbRomePI-SP3 1.0.0.C ((2024-10-30) |
EmbMilanPI-SP3 1.0.0.9 ((2024-10-30) |
EmbGenoaPI 1.0.0.7 (2024-07-15) |
| CVE | AMD Ryzen™ Embedded R1000 |
AMD Ryzen™ Embedded R2000 |
AMD Ryzen™ Embedded 5000 |
AMD Ryzen™ Embedded 7000 |
CVE-2023-31315 |
EmbeddedPI-FP5 1.2.0.D ((2024-09-18) |
EmbeddedR2KPI-FP5 1.0.0.4 (2024-09-10) |
EmbAM4PI 1.0.0.6 (2024-10- 09) |
EmbeddedAM5PI 1.0.0.2 (2024-10-30) |
| CVE | AMD Ryzen™ Embedded V1000 |
AMD Ryzen™ Embedded V2000 |
AMD Ryzen™ Embedded V3000 |
|
All V1000 OPNs excluding YE1500C4T4MFH |
YE1500C4T4MFH |
|||
CVE-2023-31315 |
EmbeddedPI-FP5 1.2.0.D (2024-09-18) |
EmbeddedPI-FP6 1.0.0.A (2024-09-17) |
EmbeddedPI-FP7r2 1.0.0.B (2024-10-30) |
|
CLIENT
DESKTOP
CVE |
AMD Ryzen™ 3000 Series Desktop Processors (Formerly codenamed) “Matisse” |
AMD Ryzen™ 5000 Series Desktop Processors (Formerly codenamed) “Vermeer” |
AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics (Formerly codenamed) “Picasso” AM4 |
AMD Ryzen™ 5000 Series Desktop processor with Radeon™ Graphics (Formerly codenamed) “Cezanne” |
AMD Ryzen™ 7000 Series Desktop Processors (Formerly codenamed) “Raphael” X3D |
CVE-2023-31315 |
ComboAM4v2PI 1.2.0Cc (2024-08-16)
ComboAM4PI 1.0.0ba (2024-08-16) |
ComboAM4v2PI 1.2.0.cb (2024-07-30) |
ComboAM4PI 1.0.0.C (2024-10-17) |
ComboAM4v2PI 1.2.0.cb (2024-07-30) |
ComboAM5PI 1.2.0.1 (2024-08-07) |
CVE |
AMD Ryzen™ 2000 Series Desktop Processors (Formerly codenamed) “Raven Ridge” AM4 |
AMD Ryzen™ 2000 Series Desktop Processors (Formerly codenamed) “Pinnacle Ridge” |
CVE-2023-31315 |
ComboAM4PI 1.0.0.C (2024-10-17) |
ComboAM4PI 1.0.0.C (2024-10-17) |
CVE |
AMD Ryzen™ 4000 Series Desktop Processors with Radeon™ Graphics (Formerly codenamed) “Renoir” AM4 |
AMD Ryzen™ 8000 Series Processors with Radeon™ Graphics (Formerly codenamed) “Phoenix” AM5 |
CVE-2023-31315 |
ComboAM4v2PI 1.2.0.cb (2024-07-30) |
ComboAM5PI 1.2.0.1 (2024-08-07) |
HIGH END DESKTOP (HEDT)
CVE |
AMD Ryzen™ Threadripper™ 3000 Series Processors (Formerly codenamed) “Castle Peak” HEDT |
AMD Ryzen™ Threadripper™ 7000 Series Processors (Formerly codenamed) “Storm Peak” |
CVE-2023-31315 |
CastlePeakPI-SP3r3 1.0.0.B (2024-07-25) |
StormPeakPI-SP6 1.1.0.0f (2024-05-23) StormPeakPI-SP6 1.0.0.1h (2024-05-30) |
WORKSTATION
CVE |
AMD Ryzen™ Threadripper™ PRO (Formerly codenamed) “Castle Peak” WS SP3 |
AMD Ryzen™ Threadripper™ PRO 3000WX Series Processors (Formerly codenamed) “Chagall” WS |
CVE-2023-31315 |
ChagallWSPI-sWRX8 1.0.0.8 (2024-07-22) CastlePeakWSPI-sWRX8 1.0.0.D (2024-07-26) |
ChagallWSPI-sWRX8 1.0.0.8 (2024-07-22) |
MOBILE - AMD Athlon™ Series Processors
CVE |
AMD Athlon™ 3000 Series Mobile (Formerly codenamed) “Dali”/”Dali” ULP |
AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics (Formerly codenamed) “Pollock” |
CVE-2023-31315 |
Picasso-FP5 1.0.1.2 (2024-08-06) |
PollockPI-FT5 1.0.0.8 (2024-08-06) |
MOBILE - AMD Ryzen™ Series Processors
CVE |
AMD Ryzen™ 3000 Series Mobile Processor with Radeon™ Graphics (Formerly codenamed) “Picasso” FP5 |
AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics (Formerly codenamed) “Renoir” FP6 |
AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics (Formerly codenamed) “Lucienne” |
AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics (Formerly codenamed) “Cezanne” |
AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics (Formerly codenamed) “Mendocino” FT6 |
CVE-2023-31315 |
Picasso-FP5 1.0.1.2 (2024-08-06) |
RenoirPI-FP6 1.0.0.E (2024-08-07) |
CezannePI-FP6 1.0.1.1 (2024-07-31) |
CezannePI-FP6 1.0.1.1 (2024-07-31) |
MendocinoPI-FT6 1.0.0.7 (2024-08-01) |
CVE |
AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics (Formerly codenamed) "Rembrandt" |
AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics (Formerly codenamed) “Rembrandt-R” |
AMD Ryzen™ 5000 Series Processors with Radeon™ Graphics (Formerly codenamed) “Barcelo” |
AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics (Formerly codenamed) “Barcelo-R” |
AMD Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics (Formerly codenamed) “Phoenix” FP7/FP7r2/FP8 |
AMD Ryzen™ Series Mobile Processors with Radeon™ Graphics (Formerly codenamed) “Hawk Point” FP7/FP7r2/FP8 |
AMD Ryzen™ 7045 Series Mobile Processors (Formerly codenamed) “Dragon Range” |
CVE-2023-31315 |
RembrandtPI-FP7 1.0.0.B (2024-07-03) |
RembrandtPI-FP7 1.0.0.B (2024-07-03) |
CezannePI-FP6 1.0.1.1 (2024-07-31) |
CezannePI-FP6 1.0.1.1 (2024-07-31) |
PhoenixPI-FP8-FP7 1.1.0.3 (2024-07-18) |
PhoenixPI-FP8-FP7 1.1.0.3 (2024-07-18) |
DragonRangeFL1 1.0.0.3e. (2024-07-31) |
Acknowledgement
AMD thanks Enrique Nissim and Krzysztof Okupski of IOActive for reporting this issue and engaging in coordinated vulnerability disclosure.
Revisions
| Revision Date | Description |
| 2024-11-07 | Updated mitigation for Embedded processors. |
| 2024-10-30 | Added AM4PI mitigation for “Picasso”, “Raven Ridge”, “Pinnacle Ridge” |
| 2024-08-20 | Added additional PI mitigation for “Matisse” |
| 2024-08-19 | Update: Mitigation for “Matisse” is now available |
| 2024-08-14 | “Matisse” mitigation status has been updated to a target of 2024-08-20 |
| 2024-08-09 | Initial publication |
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