CVE-2021-26368
First published: Tue May 10 2022(Updated: )
Insufficient check of the process type in Trusted OS (TOS) may allow an attacker with privileges to enable a lesser privileged process to unmap memory owned by a higher privileged process resulting in a denial of service.
Credit: psirt@amd.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| AMD Ryzen 3 2200U Firmware | ||
| AMD Ryzen 3 2200U Firmware | ||
| AMD Ryzen 3 2300U Firmware | ||
| AMD Ryzen 3 Pro 2300U | ||
| AMD Ryzen 3100 Firmware | ||
| AMD Ryzen 3 3100 Firmware | ||
| AMD Ryzen 3 3300G Firmware | ||
| AMD Ryzen 3 3300G Firmware | ||
| AMD Ryzen 3 3300X Firmware | ||
| AMD Ryzen 3 3300X Firmware | ||
| AMD Ryzen 3 5125C Firmware | ||
| AMD Ryzen 3 5125C Firmware | ||
| AMD Ryzen 3 5400U Firmware | ||
| AMD Ryzen 3 5400U Firmware | ||
| AMD Ryzen 3 5425C Firmware | ||
| AMD Ryzen 3 5425C Firmware | ||
| AMD Ryzen 3 5425U | ||
| AMD Ryzen 3 5425U Firmware | ||
| AMD Ryzen 3 5300G Firmware | ||
| AMD Ryzen 3 5300G | ||
| AMD Ryzen 3 5300GE Firmware | ||
| AMD Ryzen 5300GE Firmware | ||
| AMD Ryzen 5 5600G Firmware | ||
| AMD Ryzen 5600G Firmware | ||
| AMD Ryzen 5 5600GE Firmware | ||
| AMD Ryzen 5 5600GE | ||
| AMD Ryzen 5 5600X Firmware | ||
| AMD Ryzen 5 5600X | ||
| AMD Ryzen 5 5700G Firmware | ||
| AMD Ryzen 5 5700G | ||
| AMD Ryzen 5 5700GE Firmware | ||
| AMD Ryzen 5 5700GE | ||
| AMD Ryzen 5800X | ||
| AMD Ryzen 7 5800X | ||
| AMD Ryzen 7 5800X3D Firmware | ||
| AMD Ryzen 7 5800X3D | ||
| AMD Ryzen 9 5900X Firmware | ||
| AMD Ryzen 9 5900X | ||
| AMD Ryzen 9 5950X | ||
| AMD Ryzen 9 5950X | ||
| AMD Ryzen 5 Pro 2500U Firmware | ||
| AMD Ryzen 5 Pro 2500U | ||
| AMD Ryzen 5 2600X | ||
| AMD Ryzen 5 2600 Firmware | ||
| AMD Ryzen 5 2600H Firmware | ||
| AMD Ryzen 5 2600H | ||
| AMD Ryzen 5 2600X | ||
| AMD Ryzen 5 2600X | ||
| AMD Ryzen 5 Pro 3400G Firmware | ||
| AMD Ryzen 5 3400G Firmware | ||
| AMD Ryzen 5 3450G Firmware | ||
| AMD Ryzen 5 3450G Firmware | ||
| AMD Ryzen 5 3600 firmware | ||
| AMD Ryzen 5 3600 firmware | ||
| AMD Ryzen 5 3600X Firmware | ||
| AMD Ryzen 5 3600X Firmware | ||
| AMD Ryzen 5 5560U Firmware | ||
| AMD Ryzen 5 5560U Firmware | ||
| AMD Ryzen 5 5600H Firmware | ||
| AMD Ryzen 5 5600H Firmware | ||
| AMD Ryzen 5 5600HS Firmware | ||
| AMD Ryzen 5 5600HS Firmware | ||
| AMD Ryzen 5 5600U Firmware | ||
| AMD Ryzen 5 5600U Firmware | ||
| AMD Ryzen 5 5600X | ||
| AMD Ryzen 5 5600X Firmware | ||
| AMD Ryzen 5 5625C Firmware | ||
| AMD Ryzen 5 5625C Firmware | ||
| AMD Ryzen 5 5625U Firmware | ||
| AMD Ryzen 5 5625U Firmware | ||
| AMD Ryzen 5 5700G Firmware | ||
| AMD Ryzen 5 5700G | ||
| AMD Ryzen 5 5700GE Firmware | ||
| AMD Ryzen 5 5700GE | ||
| AMD Ryzen 7 2700 Firmware | ||
| AMD Ryzen 7 2700 Firmware | ||
| AMD Ryzen 7 Pro 2700U Firmware | ||
| AMD Ryzen 7 Pro 2700U | ||
| AMD Ryzen 7 2700X | ||
| AMD Ryzen 7 2700X | ||
| AMD Ryzen 7 2800H Firmware | ||
| AMD Ryzen 7 2800H Firmware | ||
| AMD Ryzen 7 3700X Firmware | ||
| AMD Ryzen 7 3700XT | ||
| AMD Ryzen 7 3800XT Firmware | ||
| AMD Ryzen 7 3800X Firmware | ||
| AMD Ryzen 7 5800H Firmware | ||
| AMD Ryzen 7 5800H Firmware | ||
| AMD Ryzen 7 5800HS Firmware | ||
| AMD Ryzen 7 5800HS Firmware | ||
| AMD Ryzen 7 5800U Firmware | ||
| AMD Ryzen 7 5800U Firmware | ||
| AMD Ryzen 7 5825C Firmware | ||
| AMD Ryzen 7 5825C Firmware | ||
| AMD Ryzen 7 5825U Firmware | ||
| AMD Ryzen 7 5825U Firmware | ||
| AMD Ryzen 9 3900X | ||
| AMD Ryzen 9 3900X | ||
| AMD Ryzen 9 3950XT firmware | ||
| AMD Ryzen 9 3950XT | ||
| AMD Ryzen 9 5900HS Firmware | ||
| AMD Ryzen 9 5900HS Firmware | ||
| AMD Ryzen 9 5900HX Firmware | ||
| AMD Ryzen 9 5900HX Firmware | ||
| AMD Ryzen 9 5980HS Firmware | ||
| AMD Ryzen 9 5980HS Firmware | ||
| AMD Ryzen 9 5980HX | ||
| AMD Ryzen 9 5980HX | ||
| AMD Ryzen Threadripper 2920X | ||
| AMD Ryzen Threadripper 2920X Firmware | ||
| AMD Ryzen Threadripper 2950X Firmware | ||
| AMD Ryzen Threadripper 2950X Firmware | ||
| AMD Ryzen Threadripper 2970WX Firmware | ||
| AMD Ryzen Threadripper 2970WX Firmware | ||
| AMD Ryzen Threadripper 2990WX | ||
| AMD Ryzen Threadripper 2990WX | ||
| AMD Ryzen Threadripper 3960X Firmware | ||
| AMD Ryzen Threadripper 3960X Firmware | ||
| AMD Ryzen Threadripper 3970X | ||
| AMD Ryzen Threadripper 3970X Firmware | ||
| AMD Ryzen Threadripper 3990X | ||
| AMD Ryzen Threadripper 3990X | ||
| AMD Ryzen Threadripper Pro | ||
| AMD Ryzen Threadripper Pro 3945WX Firmware | ||
| AMD Ryzen Threadripper Pro 3955WX Firmware | ||
| AMD Ryzen Threadripper Pro 3955WX Firmware | ||
| AMD Ryzen Threadripper Pro 3975WX Firmware | ||
| AMD Ryzen Threadripper Pro 3975WX Firmware | ||
| AMD Ryzen Threadripper Pro 3995WX Firmware | ||
| AMD Ryzen Threadripper Pro | ||
| AMD Ryzen Threadripper Pro 5945WX Firmware | ||
| AMD Ryzen Threadripper Pro 5945WX Firmware | ||
| AMD Ryzen Threadripper Pro 5955WX Firmware | ||
| AMD Ryzen Threadripper Pro 5955WX Firmware | ||
| AMD Ryzen Threadripper Pro 5965WX Firmware | ||
| AMD Ryzen Threadripper Pro | ||
| AMD Ryzen Threadripper Pro 5975W Firmware | ||
| AMD Ryzen Threadripper Pro 5975W Firmware | ||
| AMD Ryzen Threadripper Pro 5995WX Firmware | ||
| AMD Ryzen Threadripper Pro 5995WX Firmware |
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Frequently Asked Questions
What is the severity of CVE-2021-26368?
CVE-2021-26368 is classified as a medium severity vulnerability.
How do I fix CVE-2021-26368?
To fix CVE-2021-26368, update the firmware for the affected AMD Ryzen processors to the latest version provided by AMD.
What types of systems are affected by CVE-2021-26368?
CVE-2021-26368 affects various AMD Ryzen processors and their firmware.
What are the potential impacts of CVE-2021-26368?
Exploitation of CVE-2021-26368 may allow an attacker to cause a denial of service by unmapping memory pages of higher privileged processes.
Who can exploit CVE-2021-26368?
CVE-2021-26368 requires an attacker with elevated privileges to take advantage of the vulnerability.
- agent/type
- agent/severity
- agent/author
- agent/references
- agent/weakness
- agent/description
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/first-publish-date
- agent/event
- agent/source
- agent/tags
- agent/softwarecombine
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/amd
- canonical/amd ryzen 3 2200u firmware
- canonical/amd ryzen 3 2300u firmware
- canonical/amd ryzen 3 pro 2300u
- canonical/amd ryzen 3100 firmware
- canonical/amd ryzen 3 3100 firmware
- canonical/amd ryzen 3 3300g firmware
- canonical/amd ryzen 3 3300x firmware
- canonical/amd ryzen 3 5125c firmware
- canonical/amd ryzen 3 5400u firmware
- canonical/amd ryzen 3 5425c firmware
- canonical/amd ryzen 3 5425u
- canonical/amd ryzen 3 5425u firmware
- canonical/amd ryzen 3 5300g firmware
- canonical/amd ryzen 3 5300g
- canonical/amd ryzen 3 5300ge firmware
- canonical/amd ryzen 5300ge firmware
- canonical/amd ryzen 5 5600g firmware
- canonical/amd ryzen 5600g firmware
- canonical/amd ryzen 5 5600ge firmware
- canonical/amd ryzen 5 5600ge
- canonical/amd ryzen 5 5600x firmware
- canonical/amd ryzen 5 5600x
- canonical/amd ryzen 5 5700g firmware
- canonical/amd ryzen 5 5700g
- canonical/amd ryzen 5 5700ge firmware
- canonical/amd ryzen 5 5700ge
- canonical/amd ryzen 5800x
- canonical/amd ryzen 7 5800x
- canonical/amd ryzen 7 5800x3d firmware
- canonical/amd ryzen 7 5800x3d
- canonical/amd ryzen 9 5900x firmware
- canonical/amd ryzen 9 5900x
- canonical/amd ryzen 9 5950x
- canonical/amd ryzen 5 pro 2500u firmware
- canonical/amd ryzen 5 pro 2500u
- canonical/amd ryzen 5 2600x
- canonical/amd ryzen 5 2600 firmware
- canonical/amd ryzen 5 2600h firmware
- canonical/amd ryzen 5 2600h
- canonical/amd ryzen 5 pro 3400g firmware
- canonical/amd ryzen 5 3400g firmware
- canonical/amd ryzen 5 3450g firmware
- canonical/amd ryzen 5 3600 firmware
- canonical/amd ryzen 5 3600x firmware
- canonical/amd ryzen 5 5560u firmware
- canonical/amd ryzen 5 5600h firmware
- canonical/amd ryzen 5 5600hs firmware
- canonical/amd ryzen 5 5600u firmware
- canonical/amd ryzen 5 5625c firmware
- canonical/amd ryzen 5 5625u firmware
- canonical/amd ryzen 7 2700 firmware
- canonical/amd ryzen 7 pro 2700u firmware
- canonical/amd ryzen 7 pro 2700u
- canonical/amd ryzen 7 2700x
- canonical/amd ryzen 7 2800h firmware
- canonical/amd ryzen 7 3700x firmware
- canonical/amd ryzen 7 3700xt
- canonical/amd ryzen 7 3800xt firmware
- canonical/amd ryzen 7 3800x firmware
- canonical/amd ryzen 7 5800h firmware
- canonical/amd ryzen 7 5800hs firmware
- canonical/amd ryzen 7 5800u firmware
- canonical/amd ryzen 7 5825c firmware
- canonical/amd ryzen 7 5825u firmware
- canonical/amd ryzen 9 3900x
- canonical/amd ryzen 9 3950xt firmware
- canonical/amd ryzen 9 3950xt
- canonical/amd ryzen 9 5900hs firmware
- canonical/amd ryzen 9 5900hx firmware
- canonical/amd ryzen 9 5980hs firmware
- canonical/amd ryzen 9 5980hx
- canonical/amd ryzen threadripper 2920x
- canonical/amd ryzen threadripper 2920x firmware
- canonical/amd ryzen threadripper 2950x firmware
- canonical/amd ryzen threadripper 2970wx firmware
- canonical/amd ryzen threadripper 2990wx
- canonical/amd ryzen threadripper 3960x firmware
- canonical/amd ryzen threadripper 3970x
- canonical/amd ryzen threadripper 3970x firmware
- canonical/amd ryzen threadripper 3990x
- canonical/amd ryzen threadripper pro
- canonical/amd ryzen threadripper pro 3945wx firmware
- canonical/amd ryzen threadripper pro 3955wx firmware
- canonical/amd ryzen threadripper pro 3975wx firmware
- canonical/amd ryzen threadripper pro 3995wx firmware
- canonical/amd ryzen threadripper pro 5945wx firmware
- canonical/amd ryzen threadripper pro 5955wx firmware
- canonical/amd ryzen threadripper pro 5965wx firmware
- canonical/amd ryzen threadripper pro 5975w firmware
- canonical/amd ryzen threadripper pro 5995wx firmware