Bug 2133524 (CVE-2021-26393) - CVE-2021-26393 hw: amd: Insufficient memory cleanup in ASP Trusted Execution Environment (TEE) may poison process contents
Summary: CVE-2021-26393 hw: amd: Insufficient memory cleanup in ASP Trusted Execution ...
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2021-26393
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks: 2133020
TreeView+ depends on / blocked
 
Reported: 2022-10-10 17:40 UTC by Rohit Keshri
Modified: 2023-01-27 15:52 UTC (History)
39 users (show)

Fixed In Version:
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A flaw was found in hw. Insufficient memory cleanup in the AMD Secure Processor (ASP) Trusted Execution Environment (TEE) may allow an authenticated attacker with privileges to generate a valid signed TA and potentially poison the contents of the process memory with attacker-controlled data, resulting in a loss of confidentiality.
Clone Of:
Environment:
Last Closed: 2023-01-27 15:52:13 UTC
Embargoed:

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Description Rohit Keshri 2022-10-10 17:40:21 UTC 
Insufficient memory cleanup in the AMD Secure Processor (ASP) Trusted Execution Environment (TEE) may allow an authenticated attacker with privileges to generate a valid signed TA and potentially poison the contents of the process memory with attacker-controlled data resulting in a loss of confidentiality.

Refer:
https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1029
Comment 3 Product Security DevOps Team 2023-01-27 15:52:10 UTC 
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2021-26393
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