CVE-2021-26312
Cisco IOMMU TLB Flush Vulnerability
Description
Failure to flush the Translation Lookaside Buffer (TLB) of the I/O memory management unit (IOMMU) may lead an IO device to write to memory it should not be able to access, resulting in a potential loss of integrity.
INFO
Published Date :
Nov. 16, 2021, 6:15 p.m.
Last Modified :
May 11, 2022, 5:15 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.8
Affected Products
The following products are affected by CVE-2021-26312
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.
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-2021-26312.
| URL | Resource |
|---|---|
| https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1027 | |
| https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1028 |
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-2021-26312 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-26312 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]
May. 11, 2022
Action Type Old Value New Value Changed Description PSP protection against improperly configured side channels may lead to potential information disclosure. This issue affects: AMD 1st Gen AMD EPYC™ versions prior to NaplesPI-SP3_1.0.0.G. AMD 2nd Gen AMD EPYC™ versions prior to RomePI-SP3_1.0.0.C. AMD 3rd Gen AMD EPYC™ versions prior to MilanPI-SP3_1.0.0.4. Failure to flush the Translation Lookaside Buffer (TLB) of the I/O memory management unit (IOMMU) may lead an IO device to write to memory it should not be able to access, resulting in a potential loss of integrity. Removed Reference https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1021 [Vendor Advisory] Added Reference https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1027 [No Types Assigned] Added Reference https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1028 [No Types Assigned] Removed CWE Advanced Micro Devices Inc. CWE-667 Added CWE Advanced Micro Devices Inc. CWE-665 Removed CWE Reason CWE-667 / More specific CWE option available -
Initial Analysis by [email protected]
Nov. 18, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:P/I:N/A:N) Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Changed Reference Type https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1021 No Types Assigned https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1021 Vendor Advisory Added CWE NIST CWE-668 Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7601_firmware:*:*:*:*:*:*:*:* versions up to (excluding) naplespi-sp3_1.0.0.g OR cpe:2.3:h:amd:epyc_7601:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7551p_firmware:*:*:*:*:*:*:*:* versions up to (excluding) naplespi-sp3_1.0.0.g OR cpe:2.3:h:amd:epyc_7551p:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7551_firmware:*:*:*:*:*:*:*:* versions up to (excluding) naplespi-sp3_1.0.0.g OR cpe:2.3:h:amd:epyc_7551:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7501_firmware:*:*:*:*:*:*:*:* versions up to (excluding) naplespi-sp3_1.0.0.g OR cpe:2.3:h:amd:epyc_7501:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7451_firmware:*:*:*:*:*:*:*:* versions up to (excluding) naplespi-sp3_1.0.0.g OR cpe:2.3:h:amd:epyc_7451:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7401_firmware:*:*:*:*:*:*:*:* versions up to (excluding) naplespi-sp3_1.0.0.g OR cpe:2.3:h:amd:epyc_7401:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7371_firmware:*:*:*:*:*:*:*:* versions up to (excluding) naplespi-sp3_1.0.0.g OR cpe:2.3:h:amd:epyc_7371:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7351p_firmware:*:*:*:*:*:*:*:* versions up to (excluding) naplespi-sp3_1.0.0.g OR cpe:2.3:h:amd:epyc_7351p:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7351_firmware:*:*:*:*:*:*:*:* versions up to (excluding) naplespi-sp3_1.0.0.g OR cpe:2.3:h:amd:epyc_7351:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7301_firmware:*:*:*:*:*:*:*:* versions up to (excluding) naplespi-sp3_1.0.0.g OR cpe:2.3:h:amd:epyc_7301:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7281_firmware:*:*:*:*:*:*:*:* versions up to (excluding) naplespi-sp3_1.0.0.g OR cpe:2.3:h:amd:epyc_7281:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7261_firmware:*:*:*:*:*:*:*:* versions up to (excluding) naplespi-sp3_1.0.0.g OR cpe:2.3:h:amd:epyc_7261:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7251_firmware:*:*:*:*:*:*:*:* versions up to (excluding) naplespi-sp3_1.0.0.g OR cpe:2.3:h:amd:epyc_7251:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7f72_firmware:*:*:*:*:*:*:*:* versions up to (excluding) romepi-sp3_1.0.0.c OR cpe:2.3:h:amd:epyc_7f72:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7f52_firmware:*:*:*:*:*:*:*:* versions up to (excluding) romepi-sp3_1.0.0.c OR cpe:2.3:h:amd:epyc_7f52:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7f32_firmware:*:*:*:*:*:*:*:* versions up to (excluding) romepi-sp3_1.0.0.c OR cpe:2.3:h:amd:epyc_7f32:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7h12_firmware:*:*:*:*:*:*:*:* versions up to (excluding) romepi-sp3_1.0.0.c OR cpe:2.3:h:amd:epyc_7h12:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7742_firmware:*:*:*:*:*:*:*:* versions up to (excluding) romepi-sp3_1.0.0.c OR cpe:2.3:h:amd:epyc_7742:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7702_firmware:*:*:*:*:*:*:*:* versions up to (excluding) romepi-sp3_1.0.0.c OR cpe:2.3:h:amd:epyc_7702:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7702p_firmware:*:*:*:*:*:*:*:* versions up to (excluding) romepi-sp3_1.0.0.c OR cpe:2.3:h:amd:epyc_7702p:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7662_firmware:*:*:*:*:*:*:*:* versions up to (excluding) romepi-sp3_1.0.0.c OR cpe:2.3:h:amd:epyc_7662:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7642_firmware:*:*:*:*:*:*:*:* versions up to (excluding) romepi-sp3_1.0.0.c OR cpe:2.3:h:amd:epyc_7642:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7552_firmware:*:*:*:*:*:*:*:* versions up to (excluding) romepi-sp3_1.0.0.c OR cpe:2.3:h:amd:epyc_7552:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7542_firmware:*:*:*:*:*:*:*:* versions up to (excluding) romepi-sp3_1.0.0.c OR cpe:2.3:h:amd:epyc_7542:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7532_firmware:*:*:*:*:*:*:*:* versions up to (excluding) romepi-sp3_1.0.0.c OR cpe:2.3:h:amd:epyc_7532:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7502_firmware:*:*:*:*:*:*:*:* versions up to (excluding) romepi-sp3_1.0.0.c OR cpe:2.3:h:amd:epyc_7502:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7502p_firmware:*:*:*:*:*:*:*:* versions up to (excluding) romepi-sp3_1.0.0.c OR cpe:2.3:h:amd:epyc_7502p:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7452_firmware:*:*:*:*:*:*:*:* versions up to (excluding) romepi-sp3_1.0.0.c OR cpe:2.3:h:amd:epyc_7452:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7402_firmware:*:*:*:*:*:*:*:* versions up to (excluding) romepi-sp3_1.0.0.c OR cpe:2.3:h:amd:epyc_7402:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7402p_firmware:*:*:*:*:*:*:*:* versions up to (excluding) romepi-sp3_1.0.0.c OR cpe:2.3:h:amd:epyc_7402p:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7352_firmware:*:*:*:*:*:*:*:* versions up to (excluding) romepi-sp3_1.0.0.c OR cpe:2.3:h:amd:epyc_7352:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7302_firmware:*:*:*:*:*:*:*:* versions up to (excluding) romepi-sp3_1.0.0.c OR cpe:2.3:h:amd:epyc_7302:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7302p_firmware:*:*:*:*:*:*:*:* versions up to (excluding) romepi-sp3_1.0.0.c OR cpe:2.3:h:amd:epyc_7302p:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7282_firmware:*:*:*:*:*:*:*:* versions up to (excluding) romepi-sp3_1.0.0.c OR cpe:2.3:h:amd:epyc_7282:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7272_firmware:*:*:*:*:*:*:*:* versions up to (excluding) romepi-sp3_1.0.0.c OR cpe:2.3:h:amd:epyc_7272:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7262_firmware:*:*:*:*:*:*:*:* versions up to (excluding) romepi-sp3_1.0.0.c OR cpe:2.3:h:amd:epyc_7262:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7252_firmware:*:*:*:*:*:*:*:* versions up to (excluding) romepi-sp3_1.0.0.c OR cpe:2.3:h:amd:epyc_7252:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7232p_firmware:*:*:*:*:*:*:*:* versions up to (excluding) romepi-sp3_1.0.0.c OR cpe:2.3:h:amd:epyc_7232p:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7763_firmware:*:*:*:*:*:*:*:* versions up to (excluding) milanpi-sp3_1.0.0.4 OR cpe:2.3:h:amd:epyc_7763:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7713p_firmware:*:*:*:*:*:*:*:* versions up to (excluding) milanpi-sp3_1.0.0.4 OR cpe:2.3:h:amd:epyc_7713p:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7713_firmware:*:*:*:*:*:*:*:* versions up to (excluding) milanpi-sp3_1.0.0.4 OR cpe:2.3:h:amd:epyc_7713:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7663_firmware:*:*:*:*:*:*:*:* versions up to (excluding) milanpi-sp3_1.0.0.4 OR cpe:2.3:h:amd:epyc_7663:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7643_firmware:*:*:*:*:*:*:*:* versions up to (excluding) milanpi-sp3_1.0.0.4 OR cpe:2.3:h:amd:epyc_7643:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_75f3_firmware:*:*:*:*:*:*:*:* versions up to (excluding) milanpi-sp3_1.0.0.4 OR cpe:2.3:h:amd:epyc_75f3:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7543p_firmware:*:*:*:*:*:*:*:* versions up to (excluding) milanpi-sp3_1.0.0.4 OR cpe:2.3:h:amd:epyc_7543p:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7543_firmware:*:*:*:*:*:*:*:* versions up to (excluding) milanpi-sp3_1.0.0.4 OR cpe:2.3:h:amd:epyc_7543:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7513_firmware:*:*:*:*:*:*:*:* versions up to (excluding) milanpi-sp3_1.0.0.4 OR cpe:2.3:h:amd:epyc_7513:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7453_firmware:*:*:*:*:*:*:*:* versions up to (excluding) milanpi-sp3_1.0.0.4 OR cpe:2.3:h:amd:epyc_7453:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_74f3_firmware:*:*:*:*:*:*:*:* versions up to (excluding) milanpi-sp3_1.0.0.4 OR cpe:2.3:h:amd:epyc_74f3:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7443p_firmware:*:*:*:*:*:*:*:* versions up to (excluding) milanpi-sp3_1.0.0.4 OR cpe:2.3:h:amd:epyc_7443p:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7443_firmware:*:*:*:*:*:*:*:* versions up to (excluding) milanpi-sp3_1.0.0.4 OR cpe:2.3:h:amd:epyc_7443:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7413_firmware:*:*:*:*:*:*:*:* versions up to (excluding) milanpi-sp3_1.0.0.4 OR cpe:2.3:h:amd:epyc_7413:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_73f3_firmware:*:*:*:*:*:*:*:* versions up to (excluding) milanpi-sp3_1.0.0.4 OR cpe:2.3:h:amd:epyc_73f3:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7343_firmware:*:*:*:*:*:*:*:* versions up to (excluding) milanpi-sp3_1.0.0.4 OR cpe:2.3:h:amd:epyc_7343:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7313p_firmware:*:*:*:*:*:*:*:* versions up to (excluding) milanpi-sp3_1.0.0.4 OR cpe:2.3:h:amd:epyc_7313p:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7313_firmware:*:*:*:*:*:*:*:* versions up to (excluding) milanpi-sp3_1.0.0.4 OR cpe:2.3:h:amd:epyc_7313:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_72f3_firmware:*:*:*:*:*:*:*:* versions up to (excluding) milanpi-sp3_1.0.0.4 OR cpe:2.3:h:amd:epyc_72f3:-:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-26312 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-2021-26312
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.04 }} 0.00%
score
0.10292
percentile