CVE-2021-26334
AMD μProf Tool MSRing -0 Privilege Escalation Vulnerability
Description
The AMDPowerProfiler.sys driver of AMD μProf tool may allow lower privileged users to access MSRs in kernel which may lead to privilege escalation and ring-0 code execution by the lower privileged user.
INFO
Published Date :
Dec. 1, 2021, 4:15 p.m.
Last Modified :
Nov. 7, 2023, 3:31 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
6.0
Exploitability Score :
3.1
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-2021-26334.
| URL | Resource |
|---|---|
| https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1016 | Mitigation Vendor Advisory |
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-2021-26334 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-26334 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]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Changed Description The AMDPowerProfiler.sys driver of AMD ?Prof tool may allow lower privileged users to access MSRs in kernel which may lead to privilege escalation and ring-0 code execution by the lower privileged user. The AMDPowerProfiler.sys driver of AMD μProf tool may allow lower privileged users to access MSRs in kernel which may lead to privilege escalation and ring-0 code execution by the lower privileged user. -
Modified Analysis by [email protected]
Mar. 01, 2023
Action Type Old Value New Value -
CVE Modified by [email protected]
Jan. 25, 2023
Action Type Old Value New Value Changed Description The AMDPowerProfiler.sys driver of AMD ?Prof tool may allow lower privileged users to access MSRs in kernel which may lead to privilege escalation and ring-0 code execution by the lower privileged user. The AMDPowerProfiler.sys driver of AMD ?Prof tool may allow lower privileged users to access MSRs in kernel which may lead to privilege escalation and ring-0 code execution by the lower privileged user. -
Modified Analysis by [email protected]
Jul. 02, 2022
Action Type Old Value New Value -
CVE Modified by [email protected]
May. 16, 2022
Action Type Old Value New Value Changed Description The AMDPowerProfiler.sys driver of AMD ?Prof tool may allow lower privileged users to access MSRs in kernel which may lead to privilege escalation and ring-0 code execution by the lower privileged user. The AMDPowerProfiler.sys driver of AMD ?Prof tool may allow lower privileged users to access MSRs in kernel which may lead to privilege escalation and ring-0 code execution by the lower privileged user. -
CVE Modified by [email protected]
May. 12, 2022
Action Type Old Value New Value Changed Description The AMDPowerProfiler.sys driver of AMD ?Prof tool may allow lower privileged users to access MSRs in kernel which may lead to privilege escalation and ring-0 code execution by the lower privileged user. The AMDPowerProfiler.sys driver of AMD ?Prof tool may allow lower privileged users to access MSRs in kernel which may lead to privilege escalation and ring-0 code execution by the lower privileged user. -
CVE Modified by [email protected]
May. 12, 2022
Action Type Old Value New Value Changed Description The AMDPowerProfiler.sys driver of AMD ?Prof tool may allow lower privileged users to access MSRs in kernel which may lead to privilege escalation and ring-0 code execution by the lower privileged user. The AMDPowerProfiler.sys driver of AMD ?Prof tool may allow lower privileged users to access MSRs in kernel which may lead to privilege escalation and ring-0 code execution by the lower privileged user. -
Reanalysis by [email protected]
Apr. 26, 2022
Action Type Old Value New Value Removed CWE NIST CWE-269 Added CWE NIST NVD-CWE-Other -
Initial Analysis by [email protected]
Dec. 03, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:S/C:C/I:C/A:C) Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H Changed Reference Type https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1016 No Types Assigned https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1016 Mitigation, Vendor Advisory Added CWE NIST CWE-269 Added CPE Configuration AND OR *cpe:2.3:a:amd:amd_uprof:*:*:*:*:*:*:*:* versions up to (excluding) 3.4.494 OR cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:a:amd:amd_uprof:*:*:*:*:*:*:*:* versions up to (excluding) 3.4.502 OR cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-26334 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-2021-26334
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.10 }} 0.00%
score
0.41463
percentile