6.0
MEDIUM
CVSS 3.1
CVE-2021-26367
Oracle VirtualBox TMR Configuration Arbitrary Address Range Vulnerability
Overview
Description
A malicious attacker in x86 can misconfigure the Trusted Memory Regions (TMRs), which may allow the attacker to set an arbitrary address range for the TMR, potentially leading to a loss of integrity and availability.
Details
INFO
Published Date :
Aug. 13, 2024, 5:15 p.m.
Last Modified :
June 17, 2026, 3:43 a.m.
Remotely Exploit :
No
Source :
[email protected]
Impact
Affected Products
The following products are affected by CVE-2021-26367
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
Scoring
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework
for assessing the severity of vulnerabilities in software and systems.
We collect and displays CVSS scores from various sources for each CVE.
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] |
References
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-26367.
| URL | Resource |
|---|---|
| https://www.amd.com/en/resources/product-security/bulletin/amd-sb-4004.html | Vendor Advisory |
| https://www.amd.com/en/resources/product-security/bulletin/amd-sb-6005.html | Vendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-26367 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-26367
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-26367 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-26367 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
Jun. 17, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'AMD', 'product': 'AMD Ryzen™ 5000 Series Desktop Processor with Radeon™ Graphics', 'versions': [{'status': 'unaffected', 'version': 'ComboAM4v2 PI 1.2.0.5'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics', 'versions': [{'status': 'unaffected', 'version': 'ComboAM4PI 1.0.0.9'}, {'status': 'unaffected', 'version': 'ComboAM4v2 PI 1.2.0.8'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen™ 4000 Series Desktop Processors with Radeon™ Graphics', 'versions': [{'status': 'unaffected', 'version': 'ComboAM4v2 PI 1.2.0.5'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics', 'versions': [{'status': 'unaffected', 'version': 'PicassoPI-FP5 1.0.0.E'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics', 'versions': [{'status': 'unaffected', 'version': 'PollockPI-FT5 1.0.0.4'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen™ 3000 Series Mobile Processor with Radeon™ Graphics', 'versions': [{'status': 'unaffected', 'version': 'PicassoPI-FP5 1.0.0.E'}], 'defaultStatus': 'unaffected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics', 'versions': [{'status': 'unaffected', 'version': 'RenoirPI-FP6 1.0.0.7'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics', 'versions': [{'status': 'unaffected', 'version': 'CezannePI-FP6 1.0.0.6'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen™ 5000 Series Processors with Radeon™ Graphics', 'versions': [{'status': 'unaffected', 'version': 'CezannePI-FP6 1.0.0.6'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen™ 3000 Series Processors with Radeon™ Graphics', 'versions': [{'status': 'unaffected', 'version': 'CezannePI-FP6 1.0.0.6'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen™ 5000 Series Processors with Radeon™ Graphics', 'versions': [{'status': 'unaffected', 'version': 'CezannePI-FP6 1.0.0.6'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen™ 3000 Series Processors with Radeon™ Graphics', 'versions': [{'status': 'unaffected', 'version': 'CezannePI-FP6 1.0.0.6'}], 'defaultStatus': 'unaffected'}, {'vendor': 'AMD', 'product': 'AMD Radeon™ RX 6000 Series Graphics Cards', 'versions': [{'status': 'unaffected', 'version': 'AMD Software: Adrenalin Edition 23.12.1 (23.30.13.01)'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Radeon™ PRO W6000 Series Graphics Cards', 'versions': [{'status': 'unaffected', 'version': 'AMD Software: PRO Edition 23.Q4 (23.30.13.03)'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen™ Embedded R1000 Series Processors', 'versions': [{'status': 'unaffected', 'version': 'EmbeddedPI-FP5 1.2.0.A'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen™ Embedded R2000 Series Processors', 'versions': [{'status': 'unaffected', 'version': 'EmbeddedR2KPI-FP5 1.0.0.2'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen™ Embedded V1000 Series Processors', 'versions': [{'status': 'unaffected', 'version': 'EmbeddedPI-FP5 1.2.0.A'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen™ Embedded V2000 Series Processors', 'versions': [{'status': 'unaffected', 'version': 'EmbeddedPI-FP6 1.0.0.6'}], 'defaultStatus': 'affected'}] -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jun. 17, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2021-26367', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2024-08-13T18:04:31.680686Z'} -
Initial Analysis by [email protected]
Dec. 12, 2024
Action Type Old Value New Value Added CVSS V3.1 NIST AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H Added CWE NIST NVD-CWE-noinfo Added CPE Configuration AND OR *cpe:2.3:a:amd:radeon_software:*:*:*:*:adrenalin:*:*:* versions up to (excluding) 23.12.1 OR cpe:2.3:h:amd:radeon_rx_6300m:-:*:*:*:*:*:*:* cpe:2.3:h:amd:radeon_rx_6400:-:*:*:*:*:*:*:* cpe:2.3:h:amd:radeon_rx_6450m:-:*:*:*:*:*:*:* cpe:2.3:h:amd:radeon_rx_6500_xt:-:*:*:*:*:*:*:* cpe:2.3:h:amd:radeon_rx_6500m:-:*:*:*:*:*:*:* cpe:2.3:h:amd:radeon_rx_6550m:-:*:*:*:*:*:*:* cpe:2.3:h:amd:radeon_rx_6550s:-:*:*:*:*:*:*:* cpe:2.3:h:amd:radeon_rx_6600:-:*:*:*:*:*:*:* cpe:2.3:h:amd:radeon_rx_6600_xt:-:*:*:*:*:*:*:* cpe:2.3:h:amd:radeon_rx_6600m:-:*:*:*:*:*:*:* cpe:2.3:h:amd:radeon_rx_6600s:-:*:*:*:*:*:*:* cpe:2.3:h:amd:radeon_rx_6650_xt:-:*:*:*:*:*:*:* cpe:2.3:h:amd:radeon_rx_6650m:-:*:*:*:*:*:*:* cpe:2.3:h:amd:radeon_rx_6650m_xt:-:*:*:*:*:*:*:* cpe:2.3:h:amd:radeon_rx_6700:-:*:*:*:*:*:*:* cpe:2.3:h:amd:radeon_rx_6700_xt:-:*:*:*:*:*:*:* cpe:2.3:h:amd:radeon_rx_6700m:-:*:*:*:*:*:*:* cpe:2.3:h:amd:radeon_rx_6700s:-:*:*:*:*:*:*:* cpe:2.3:h:amd:radeon_rx_6750_gre:-:*:*:*:*:*:*:* cpe:2.3:h:amd:radeon_rx_6750_xt:-:*:*:*:*:*:*:* cpe:2.3:h:amd:radeon_rx_6800:-:*:*:*:*:*:*:* cpe:2.3:h:amd:radeon_rx_6800_xt:-:*:*:*:*:*:*:* cpe:2.3:h:amd:radeon_rx_6800m:-:*:*:*:*:*:*:* cpe:2.3:h:amd:radeon_rx_6800s:-:*:*:*:*:*:*:* cpe:2.3:h:amd:radeon_rx_6850m_xt:-:*:*:*:*:*:*:* cpe:2.3:h:amd:radeon_rx_6900_xt:-:*:*:*:*:*:*:* cpe:2.3:h:amd:radeon_rx_6950_xt:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:a:amd:radeon_software:*:*:*:*:pro:*:*:* versions up to (including) 23.q4 OR cpe:2.3:h:amd:radeon_pro_w6300:-:*:*:*:*:*:*:* cpe:2.3:h:amd:radeon_pro_w6400:-:*:*:*:*:*:*:* cpe:2.3:h:amd:radeon_pro_w6600:-:*:*:*:*:*:*:* cpe:2.3:h:amd:radeon_pro_w6800:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:athlon_gold_3150c_firmware:*:*:*:*:*:*:*:* versions up to (excluding) picassopi-fp5_1.0.0.e OR cpe:2.3:h:amd:athlon_gold_3150c:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:athlon_gold_3150g_firmware:*:*:*:*:*:*:*:* versions up to (excluding) comboam4pi_1.0.0.9 OR cpe:2.3:h:amd:athlon_gold_3150g:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:athlon_gold_3150u_firmware:*:*:*:*:*:*:*:* versions up to (excluding) picassopi-fp5_1.0.0.e OR cpe:2.3:h:amd:athlon_gold_3150u:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:athlon_gold_pro_3150g_firmware:*:*:*:*:*:*:*:* versions up to (excluding) comboam4pi_1.0.0.9 OR cpe:2.3:h:amd:athlon_gold_pro_3150g:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:athlon_gold_pro_3150ge_firmware:*:*:*:*:*:*:*:* versions up to (excluding) comboam4pi_1.0.0.9 OR cpe:2.3:h:amd:athlon_gold_pro_3150ge:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:athlon_pro_300ge_firmware:*:*:*:*:*:*:*:* versions up to (excluding) comboam4pi_1.0.0.9 OR cpe:2.3:h:amd:athlon_pro_300ge:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:athlon_pro_3045b_firmware:*:*:*:*:*:*:*:* versions up to (excluding) picassopi-fp5_1.0.0.e OR cpe:2.3:h:amd:athlon_pro_3045b:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:athlon_pro_3145b_firmware:*:*:*:*:*:*:*:* versions up to (excluding) picassopi-fp5_1.0.0.e OR cpe:2.3:h:amd:athlon_pro_3145b:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:athlon_silver_3050c_firmware:*:*:*:*:*:*:*:* versions up to (excluding) picassopi-fp5_1.0.0.e OR cpe:2.3:h:amd:athlon_silver_3050c:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:athlon_silver_3050e_firmware:*:*:*:*:*:*:*:* versions up to (excluding) picassopi-fp5_1.0.0.e OR cpe:2.3:h:amd:athlon_silver_3050e:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:athlon_silver_3050u_firmware:*:*:*:*:*:*:*:* versions up to (excluding) picassopi-fp5_1.0.0.e OR cpe:2.3:h:amd:athlon_silver_3050u:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_3_3300u_firmware:*:*:*:*:*:*:*:* versions up to (excluding) picassopi-fp5_1.0.0.e OR cpe:2.3:h:amd:ryzen_3_3300u:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_3_3350u_firmware:*:*:*:*:*:*:*:* versions up to (excluding) picassopi-fp5_1.0.0.e OR cpe:2.3:h:amd:ryzen_3_3350u:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_3_4300g_firmware:*:*:*:*:*:*:*:* versions up to (excluding) comboam4v2_pi_1.2.0.5 OR cpe:2.3:h:amd:ryzen_3_4300g:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_3_4300ge_firmware:*:*:*:*:*:*:*:* versions up to (excluding) comboam4v2_pi_1.2.0.5 OR cpe:2.3:h:amd:ryzen_3_4300ge:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_3_5300g_firmware:*:*:*:*:*:*:*:* versions up to (excluding) comboam4v2_pi_1.2.0.5 OR cpe:2.3:h:amd:ryzen_3_5300g:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_3_5300ge_firmware:*:*:*:*:*:*:*:* versions up to (excluding) comboam4v2_pi_1.2.0.5 OR cpe:2.3:h:amd:ryzen_3_5300ge:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_5_3450u_firmware:*:*:*:*:*:*:*:* versions up to (excluding) picassopi-fp5_1.0.0.e OR cpe:2.3:h:amd:ryzen_5_3450u:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_5_3500c_firmware:*:*:*:*:*:*:*:* versions up to (excluding) picassopi-fp5_1.0.0.e OR cpe:2.3:h:amd:ryzen_5_3500c:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_5_3500u_firmware:*:*:*:*:*:*:*:* versions up to (excluding) picassopi-fp5_1.0.0.e OR cpe:2.3:h:amd:ryzen_5_3500u:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_5_3550h_firmware:*:*:*:*:*:*:*:* versions up to (excluding) picassopi-fp5_1.0.0.e OR cpe:2.3:h:amd:ryzen_5_3550h:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_5_3580u_firmware:*:*:*:*:*:*:*:* versions up to (excluding) picassopi-fp5_1.0.0.e OR cpe:2.3:h:amd:ryzen_5_3580u:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_5_4600g_firmware:*:*:*:*:*:*:*:* versions up to (excluding) comboam4v2_pi_1.2.0.5 OR cpe:2.3:h:amd:ryzen_5_4600g:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_5_4600ge_firmware:*:*:*:*:*:*:*:* versions up to (excluding) comboam4v2_pi_1.2.0.5 OR cpe:2.3:h:amd:ryzen_5_4600ge:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_5_5600g_firmware:*:*:*:*:*:*:*:* versions up to (excluding) comboam4v2_pi_1.2.0.5 OR cpe:2.3:h:amd:ryzen_5_5600g:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_5_5600ge_firmware:*:*:*:*:*:*:*:* versions up to (excluding) comboam4v2_pi_1.2.0.5 OR cpe:2.3:h:amd:ryzen_5_5600ge:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_7_3700c_firmware:*:*:*:*:*:*:*:* versions up to (excluding) picassopi-fp5_1.0.0.e OR cpe:2.3:h:amd:ryzen_7_3700c:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_7_3700u_firmware:*:*:*:*:*:*:*:* versions up to (excluding) picassopi-fp5_1.0.0.e OR cpe:2.3:h:amd:ryzen_7_3700u:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_7_3750h_firmware:*:*:*:*:*:*:*:* versions up to (excluding) picassopi-fp5_1.0.0.e OR cpe:2.3:h:amd:ryzen_7_3750h:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_7_3780u_firmware:*:*:*:*:*:*:*:* versions up to (excluding) picassopi-fp5_1.0.0.e OR cpe:2.3:h:amd:ryzen_7_3780u:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_7_4700g_firmware:*:*:*:*:*:*:*:* versions up to (excluding) comboam4v2_pi_1.2.0.5 OR cpe:2.3:h:amd:ryzen_7_4700g:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_7_4700ge_firmware:*:*:*:*:*:*:*:* versions up to (excluding) comboam4v2_pi_1.2.0.5 OR cpe:2.3:h:amd:ryzen_7_4700ge:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_7_5700g_firmware:*:*:*:*:*:*:*:* versions up to (excluding) comboam4v2_pi_1.2.0.5 OR cpe:2.3:h:amd:ryzen_7_5700g:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_7_5700ge_firmware:*:*:*:*:*:*:*:* versions up to (excluding) comboam4v2_pi_1.2.0.5 OR cpe:2.3:h:amd:ryzen_7_5700ge:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_9_5980hx_firmware:*:*:*:*:*:*:*:* versions up to (excluding) cezannepi-fp6_1.0.0.6 OR cpe:2.3:h:amd:ryzen_9_5980hx:-:*:*:*:*:*:*:* Changed Reference Type https://www.amd.com/en/resources/product-security/bulletin/amd-sb-4004.html No Types Assigned https://www.amd.com/en/resources/product-security/bulletin/amd-sb-4004.html Vendor Advisory Changed Reference Type https://www.amd.com/en/resources/product-security/bulletin/amd-sb-6005.html No Types Assigned https://www.amd.com/en/resources/product-security/bulletin/amd-sb-6005.html Vendor Advisory -
CVE Received by [email protected]
Aug. 13, 2024
Action Type Old Value New Value Added Description A malicious attacker in x86 can misconfigure the Trusted Memory Regions (TMRs), which may allow the attacker to set an arbitrary address range for the TMR, potentially leading to a loss of integrity and availability. Added Reference Advanced Micro Devices Inc. https://www.amd.com/en/resources/product-security/bulletin/amd-sb-4004.html [No types assigned] Added Reference Advanced Micro Devices Inc. https://www.amd.com/en/resources/product-security/bulletin/amd-sb-6005.html [No types assigned] Added CVSS V3.1 Advanced Micro Devices Inc. AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:H
EPSS is a daily estimate of the probability of exploitation activity
being observed over the next 30 days. Following chart shows the EPSS
score history of the vulnerability.