DXE Driver Memory Leaks
Bulletin ID: AMD-SB-4007
Potential Impact: Data Leakage
Severity: Medium
Summary
Potential memory leak vulnerabilities in AMD Driver Execution Environment (DXE) driver.
CVE Details
Refer to Glossary for explanation of terms
| CVE | Severity | Description |
| CVE-2023-20594 | Medium | Improper initialization of variables in the DXE driver may allow a privileged user to leak sensitive information via local access. |
| CVE-2023-20597 | Medium | Improper initialization of variables in the DXE driver may allow a privileged user to leak sensitive information via local access. |
Mitigation
The AGESA™ firmware versions listed below have been released to the Original Equipment Manufacturers (OEM) to mitigate these issues. Please refer to your OEM for the BIOS update specific to your product..
June 2024 Update:
After additional analysis, AMD believes that the Client AGESA™ firmware versions previously provided did not sufficiently mitigate CVE-2023-20594. This security bulletin has been updated with new Client AGESA™ firmware versions that contain updated mitigations.
AMD has also updated the status of affected products. Refer to the mitigation section below.
Data Center
| CVE | 1st Gen AMD EPYC™ Processors | 2nd Gen AMD EPYC™ Processors | 3rd Gen AMD EPYC™ Processors | 4th Gen AMD EPYC™ Processors |
| Minimum firmware versions to mitigate all applicable CVEs | N/A | N/A | MilanPI 1.0.0.A (2022-10-28) |
N/A |
| CVE-2023-20594 | Not affected | Not affected | Not affected | Not affected |
| CVE-2023-20597 | Not affected | Not affected | MilanPI 1.0.0.A (2022-10-28) |
Not affected |
Embedded Processors
| CVE | AMD EPYC™ Embedded 3000 | AMD EPYC™ Embedded 7002 | AMD EPYC™ Embedded 7003 | AMD EPYC™ Embedded 9003 |
| Minimum firmware versions to mitigate all applicable CVEs | N/A | N/A | EmbMilanPI-SP3 1.0.0.6 (2022-12-12) |
N/A |
| CVE-2023-20594 | Not affected | Not affected | Not affected | Not affected |
| CVE-2023-20597 | Not affected | Not affected | EmbMilanPI-SP3 1.0.0.6 (2022-12-12) |
Not affected |
| CVE | AMD RYZEN™ Embedded R1000 | AMD RYZEN™ Embedded R2000 | AMD RYZEN™ Embedded 5000 | AMD RYZEN™ Embedded 7000 |
| Minimum firmware versions to mitigate all applicable CVEs | Not affected | Not affected | EmbAM4PI 1.0.0.2 (2022-10-31) |
EmbeddedAM5PI 1.0.0.1 (2024-07-31) |
| CVE-2023-20594 | Not affected | Not affected | Not affected | EmbeddedAM5PI 1.0.0.1 (2024-07-31) |
| CVE-2023-20597 | Not affected | Not affected | EmbAM4PI 1.0.0.2 (2022-10-31) |
Not affected |
| CVE | AMD Ryzen™ Embedded V1000 | AMD RYZEN™ Embedded v2000 | AMD RYZEN™ Embedded V3000 | |
| All V1000 OPNs excluding YE1500C4T4MFH | YE1500C4T4MFH | |||
| Minimum firmware versions to mitigate all applicable CVEs | N/A | EmbeddedPI-FP6 1.0.0.9 (2024-04-15) |
Embedded-PI_FP7r2 1.0.0.B (2024-10-31) |
|
| CVE-2023-20594 | Fix not planned | EmbeddedPI-FP6 1.0.0.9 (2024-04-15) |
Embedded-PI_FP7r2 1.0.0.B (2024-10-31) |
|
| CVE-2023-20597 | Not affected | EmbeddedPI-FP6 1.0.0.8 (2023-07-31) |
EmbeddedPI-FP7r2 1.0.0.4 (2023-04-28) |
|
CLIENT
Desktop
| CVE | AMD Ryzen™ 3000 Series Desktop Processors (Formerly codenamed) “Matisse” | AMD Ryzen™ 5000 Series Desktop Processors (Formerly codenamed) “Vermeer” | AMD Ryzen™ 5000 Series Desktop processor with Radeon™ Graphics (Formerly codenamed) “Cezanne” | AMD Ryzen™ 7000 Series Desktop Processors (Formerly codenamed) “Raphael” X3D | AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics (Formerly codenamed) “Picasso” AM4 |
| Minimum firmware versions to mitigate all applicable CVEs | ComboAM4PI 1.0.0.9 (2022-07-13) ComboAM4v2PI 1.2.0.8 (2022-07-29) |
ComboAM4v2PI 1.2.0.8 (2022-07-29) |
ComboAM4v2PI 1.2.0.C (2024-02-07) |
ComboAM5 1.1.7.0 (2024-04-27) |
N/A |
| CVE-2023-20594 | Not affected | Not affected | ComboAM4v2PI 1.2.0.C (2024-02-07) |
ComboAM5 1.1.7.0 (2024-04-27) |
Fix not planned |
| CVE-2023-20597 | ComboAM4PI 1.0.0.9 (2022-07-13) ComboAM4v2PI 1.2.0.8 (2022-07-29) |
ComboAM4v2PI 1.2.0.8 (2022-07-29) |
ComboAM4v2PI 1.2.0.8 (2022-07-29) |
Not affected | Not affected |
| 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 |
| Minimum firmware versions to mitigate all applicable CVEs | ComboAM4v2PI 1.2.0.C (2024-02-07) |
ComboAM5 1.1.7.0 (2024-04-27) |
| CVE-2023-20594 | ComboAM4v2PI 1.2.0.C (2024-02-07) |
ComboAM5 1.1.7.0 (2024-04-27) |
| CVE-2023-20597 | ComboAM4v2PI 1.2.0.8 (2022-07-29) |
Not affected |
High End Desktop (HEDT)
| CVE | AMD Ryzen™ Threadripper™ 3000 Series Processors (Formerly codenamed) “Castle Peak” HEDT |
| Minimum firmware versions to mitigate all applicable CVEs | CastlePeakPI-SP3r3 1.0.0.8 (2022-12-01) |
| CVE-2023-20594 | Not affected |
| CVE-2023-20597 | CastlePeakPI-SP3r3 1.0.0.8 (2022-12-01) |
Workstation
| CVE | AMD Ryzen™ Threadripper™ PRO Processors (Formerly codenamed) “Castle Peak” WS SP3 | AMD Ryzen™ Threadripper™ PRO 3000WX Series Processors (Formerly codenamed) “Chagall” WS |
| Minimum firmware versions to mitigate all applicable CVEs | CastlePeakWSPI-sWRX8 1.0.0.A (2022-11-23) ChagallWSPI-sWRX8 1.0.0.4 (2022-06-15) |
ChagallWSPI-sWRX8 1.0.0.4 (2022-06-15) |
| CVE-2023-20594 | Not affected | Not affected |
| CVE-2023-20597 | CastlePeakWSPI-sWRX8 1.0.0.A (2022-11-23) ChagallWSPI-sWRX8 1.0.0.4 (2022-06-15) |
ChagallWSPI-sWRX8 1.0.0.4 (2022-06-15) |
MOBILE - AMD Athlon ™ Series Processors
| CVE | AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics (Formerly codenamed) “Dali”/”Dali” ULP | AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics(Formerly codenamed)“Pollock” |
| Minimum firmware versions to mitigate all applicable CVEs | PicassoPI-FP5 1.0.1.1 (2024-03-08) |
PollockPI-FT5 1.0.0.8 (Target July 2024) |
| CVE-2023-20594 | PicassoPI-FP5 1.0.1.1 (2024-03-08) |
PollockPI-FT5 1.0.0.8 (Target July 2024) |
| CVE-2023-20597 | Not affected | Not affected |
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 |
| Minimum firmware versions to mitigate all applicable CVEs | PicassoPI-FP5 1.0.1.1 (2024-03-08) |
RenoirPI-FP6 1.0.0.D (2024-02-29) |
CezannePI-FP6_1.0.1.0 (2024-01-25) |
CezannePI-P6_1.0.1.0 (2024-01-25) |
MendocinoPI-FT6_1.0.0.7 (2024-07-03) |
| CVE-2023-20594 | PicassoPI-FP5 1.0.1.1 (2024-03-08) |
RenoirPI-FP6 1.0.0.D (2024-02-29) |
CezannePI-FP6_1.0.1.0 (2024-01-25) |
CezannePI-P6_1.0.1.0 (2024-01-25) |
MendocinoPI-FT6_1.0.0.7 (2024-07-03) |
| CVE-2023-20597 | Not affected | RenoirPI-FP6 1.0.0.9 (2022-06-22) |
CezannePI-FP6 1.0.0.B (2022-06-15) |
CezannePI-FP6 1.0.0.B (2022-06-15) |
Not affected |
| 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™ 7045 Series Mobile Processors (Formerly codenamed) “Dragon Range” |
| Minimum firmware versions to mitigate all applicable CVEs | RembrandtPI-FP7 1.0.0.B (2024-06-26) |
RembrandtPI-FP7 1.0.0.B (2024-06-26) |
CezannePI-FP6 1.0.1.0 (2024-01-25) |
CezannePI-FP6 1.0.1.0 (2024-01-25) |
PhoenixPI-FP8-FP7 1.1.0.2a (2024-01-23) |
DragonRangeFL1PI 1.0.0.3d (2024-01-29) |
| CVE-2023-20594 | RembrandtPI-FP7 1.0.0.B (2024-06-26) |
RembrandtPI-FP7 1.0.0.B (2024-06-26) |
CezannePI-FP6 1.0.1.0 (2024-01-25) |
CezannePI-FP6 1.0.1.0 (2024-01-25) |
PhoenixPI-FP8-FP7 1.1.0.2a (2024-01-23) |
DragonRangeFL1PI 1.0.0.3d (2024-01-29) |
| CVE-2023-20597 | RembrandtPI-FP7 1.0.0.6 (2022-09-01) |
RembrandtPI-FP7 1.0.0.6 (2022-09-01) |
CezannePI-FP6 1.0.0.B (2022-06-15) |
CezannePI-FP6 1.0.0.B (2022-06-15) |
Not affected | Not affected |
Acknowledgement
AMD thanks the Binarly efiXplorer team for reporting this issue and engaging in coordinated vulnerability disclosure.
Revisions
| Revision Date | Revision Date |
| 2025-06-23 | Updated mitigations for Embedded products |
| 06-11-2024 | Updated affected status and mitigation for CVE-2023-20594 Added Embedded processors |
| 09-20-2023 | Initial publication |
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