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 Platform Initialization (PI) firmware versions listed below have been released to the Original Equipment Manufacturers (OEM) as a mitigation for 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 | TBD |
TBD | EmbAM4PI 1.0.0.2 (2022-10-31) |
EmbeddedAM5PI 1.0.0.1 (Target June 2024) |
CVE-2023-20594 |
EmbeddedPI-FP5 1.2.0.C (Target June 2024) |
EmbeddedPI-FP5 1.2.0.C (Target June 2024) |
Not affected |
EmbeddedAM5PI 1.0.0.1 (Target June 2024) |
| CVE-2023-20597 | Not affected |
Not affected | EmbAM4PI 1.0.0.2 (2022-10-31) |
| 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 1.0.1.0 (Target Sept 2024) |
|
CVE-2023-20594 |
Fix not planned | EmbeddedPI-FP6 1.0.0.9 (2024-04-15) |
Embedded-PI_FP7r2 1.0.1.0 (Target Sept 2024) |
|
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 ComboAM4v2PI 1.2.0.8 |
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 ComboAM4v2PI 1.2.0.8 |
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 ChagallWSPI-sWRX8 1.0.0.4 |
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 ChagallWSPI-sWRX8 1.0.0.4 |
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) |
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 |
| 06-11-2024 | Updated affected status and mitigation for CVE-2023-20594 Added Embedded processors |
| 09-20-2023 | Initial publication |
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